component
74AHC595D
Public Made by Adomby adom
Nexperia Shift Registers, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
74AHC595D
Nexperia · Shift Registers · SOIC-16
74AHC595D from Nexperia, in a SOIC-16. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | Q1 | tri_state | Parallel data output Q1 of the storage register; it is in the high-impedance OFF-state when OE is HIGH. |
| 2 | Q2 | tri_state | Parallel data output Q2 of the storage register; it is in the high-impedance OFF-state when OE is HIGH. |
| 3 | Q3 | tri_state | Parallel data output Q3 of the storage register; it is in the high-impedance OFF-state when OE is HIGH. |
| 4 | Q4 | tri_state | Parallel data output Q4 of the storage register; it is in the high-impedance OFF-state when OE is HIGH. |
| 5 | Q5 | tri_state | Parallel data output Q5 of the storage register; it is in the high-impedance OFF-state when OE is HIGH. |
| 6 | Q6 | tri_state | Parallel data output Q6 of the storage register; it is in the high-impedance OFF-state when OE is HIGH. |
| 7 | Q7 | tri_state | Parallel data output Q7 of the storage register; it is in the high-impedance OFF-state when OE is HIGH. |
| 8 | GND | power_in | Ground (0 V) reference for all voltages on the device. |
| 9 | Q7S | output | Serial data output Q7S, which passes the shift register stage 7 state for cascading to another device. |
| 10 | MR | input | Asynchronous master reset input, active LOW; a LOW level resets the shift register. |
| 11 | SHCP | input | Shift register clock input; data is shifted on the LOW-to-HIGH transition of SHCP. |
| 12 | STCP | input | Storage register clock input; data is transferred to the storage register on the LOW-to-HIGH transition of STCP. |
| 13 | OE | input | Output enable input, active LOW; a HIGH level forces the Qn outputs into the high-impedance OFF-state. |
| 14 | DS | input | Serial data input to the 8-bit shift register. |
| 15 | Q0 | tri_state | Parallel data output Q0 of the storage register; it is in the high-impedance OFF-state when OE is HIGH. |
| 16 | VCC | power_in | Supply voltage, 2.0 V to 5.5 V for the 74AHC595 (Table 5). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| Package | SOIC-16 |
| Category | Logic |
| Pins | 16 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| supply voltage | VCC | -0.5 | 7 | V | 6 | ||
| input voltage | VI | -0.5 | 7 | V | 6 | ||
| input clamping current | IIK | -20 | mA | VI < -0.5 V | 6 | ||
| output clamping current | IOK | -20 | 20 | mA | VO < -0.5 V or VO > VCC + 0.5 V | 6 | |
| output current | IO | -25 | 25 | mA | VO = -0.5 V to (VCC + 0.5 V) | 6 | |
| supply current | ICC | 75 | mA | 6 | |||
| ground current | IGND | -75 | mA | 6 | |||
| storage temperature | Tstg | -65 | 150 | °C | 6 | ||
| total power dissipation | Ptot | 500 | mW | Tamb = -40 °C to +125 °C | 6 | ||
| supply voltage | VCC | 2 | 5 | 5.5 | V | 6 | |
| input voltage | VI | 0 | 5.5 | V | 6 | ||
| output voltage | VO | 0 | V | 6 | |||
| ambient temperature | Tamb | -40 | 25 | 125 | °C | 6 | |
| input transition rise and fall rate | Δt/ΔV | 100 | ns/V | VCC = 3.0 V to 3.6 V | 6 | ||
| input transition rise and fall rate | Δt/ΔV | 20 | ns/V | VCC = 4.5 V to 5.5 V | 6 | ||
| HIGH-level input voltage | VIH | 1.5 | V | VCC = 2.0 V | 6 | ||
| HIGH-level input voltage | VIH | 2.1 | V | VCC = 3.0 V | 6 | ||
| HIGH-level input voltage | VIH | 3.85 | V | VCC = 5.5 V | 6 | ||
| LOW-level input voltage | VIL | 0.5 | V | VCC = 2.0 V | 6 | ||
| LOW-level input voltage | VIL | 0.9 | V | VCC = 3.0 V | 6 | ||
| LOW-level input voltage | VIL | 1.65 | V | VCC = 5.5 V | 6 | ||
| HIGH-level output voltage | VOH | 1.9 | 2 | V | VI = VIH or VIL; IO = -50 μA; VCC = 2.0 V | 7 | |
| HIGH-level output voltage | VOH | 2.9 | 3 | V | VI = VIH or VIL; IO = -50 μA; VCC = 3.0 V | 7 | |
| HIGH-level output voltage | VOH | 4.4 | 4.5 | V | VI = VIH or VIL; IO = -50 μA; VCC = 4.5 V | 7 | |
| HIGH-level output voltage | VOH | 2.58 | V | VI = VIH or VIL; IO = -4.0 mA; VCC = 3.0 V | 7 | ||
| HIGH-level output voltage | VOH | 3.94 | V | VI = VIH or VIL; IO = -8.0 mA; VCC = 4.5 V | 7 | ||
| LOW-level output voltage | VOL | 0 | 0.1 | V | VI = VIH or VIL; IO = 50 μA; VCC = 2.0 V | 7 | |
| LOW-level output voltage | VOL | 0.36 | V | VI = VIH or VIL; IO = 4.0 mA; VCC = 3.0 V | 7 | ||
| input leakage current | II | 0.1 | μA | VI = 5.5 V or GND; VCC = 0 V to 5.5 V | 7 | ||
| OFF-state output current | IOZ | -0.25 | 0.25 | μA | VI = VIH or VIL; VO = VCC or GND; VCC = 5.5 V | 7 | |
| supply current | ICC | 4 | μA | VI = VCC or GND; IO = 0 A; VCC = 5.5 V | 7 | ||
| input capacitance | CI | 3 | 10 | pF | 7 | ||
| propagation delay | tpd | 1 | 5.7 | 13 | ns | SHCP to Q7S; VCC = 3.0 V to 3.6 V; CL = 15 pF | 8 |
| propagation delay | tpd | 1 | 7.7 | 16.5 | ns | SHCP to Q7S; VCC = 3.0 V to 3.6 V; CL = 50 pF | 8 |
| propagation delay | tpd | 1 | 4 | 8.2 | ns | SHCP to Q7S; VCC = 4.5 V to 5.5 V; CL = 15 pF | 8 |
| propagation delay | tpd | 1 | 5.4 | 10 | ns | SHCP to Q7S; VCC = 4.5 V to 5.5 V; CL = 50 pF | 8 |
| propagation delay | tpd | 1 | 5.9 | 11.9 | ns | STCP to Qn; VCC = 3.0 V to 3.6 V; CL = 15 pF | 8 |
| propagation delay | tpd | 1 | 7.7 | 15.4 | ns | STCP to Qn; VCC = 3.0 V to 3.6 V; CL = 50 pF | 8 |
| propagation delay | tpd | 1 | 4.2 | 7.4 | ns | STCP to Qn; VCC = 4.5 V to 5.5 V; CL = 15 pF | 8 |
| propagation delay | tpd | 1 | 5.5 | 9 | ns | STCP to Qn; VCC = 4.5 V to 5.5 V; CL = 50 pF | 8 |
| HIGH to LOW propagation delay | tPHL | 1 | 5.9 | 12.8 | ns | MR to Q7S; VCC = 3.0 V to 3.6 V; CL = 15 pF | 8 |
| HIGH to LOW propagation delay | tPHL | 1 | 7.4 | 16.3 | ns | MR to Q7S; VCC = 3.0 V to 3.6 V; CL = 50 pF | 8 |
| HIGH to LOW propagation delay | tPHL | 1 | 4.4 | 8 | ns | MR to Q7S; VCC = 4.5 V to 5.5 V; CL = 15 pF | 8 |
| HIGH to LOW propagation delay | tPHL | 1 | 5.6 | 10 | ns | MR to Q7S; VCC = 4.5 V to 5.5 V; CL = 50 pF | 8 |
| enable time | ten | 1 | 5.6 | 11.5 | ns | OE to Qn; VCC = 3.0 V to 3.6 V; CL = 15 pF | 8 |
| enable time | ten | 1 | 7.4 | 15 | ns | OE to Qn; VCC = 3.0 V to 3.6 V; CL = 50 pF | 8 |
| enable time | ten | 1 | 4 | 8.6 | ns | OE to Qn; VCC = 4.5 V to 5.5 V; CL = 15 pF | 8 |
| enable time | ten | 1 | 5.3 | 10.6 | ns | OE to Qn; VCC = 4.5 V to 5.5 V; CL = 50 pF | 8 |
| disable time | tdis | 1 | 5.4 | 11 | ns | OE to Qn; VCC = 3.0 V to 3.6 V; CL = 15 pF | 8 |
| disable time | tdis | 1 | 8.7 | 15.7 | ns | OE to Qn; VCC = 3.0 V to 3.6 V; CL = 50 pF | 8 |
| disable time | tdis | 1 | 3.8 | 8 | ns | OE to Qn; VCC = 4.5 V to 5.5 V; CL = 15 pF | 8 |
| disable time | tdis | 1 | 5.8 | 10.3 | ns | OE to Qn; VCC = 4.5 V to 5.5 V; CL = 50 pF | 8 |
| maximum frequency | fmax | 80 | 125 | MHz | SHCP or STCP; see Fig. 6 and Fig. 7; VCC = 3.0 V to 3.6 V | 8 | |
| maximum frequency | fmax | 130 | 170 | MHz | SHCP or STCP; see Fig. 6 and Fig. 7; VCC = 4.5 V to 5.5 V | 8 | |
| pulse width | tW | 5 | ns | SHCP HIGH or LOW; see Fig. 6; VCC = 3.0 V to 3.6 V | 8 | ||
| set-up time | tsu | 3.5 | ns | DS to SHCP; see Fig. 8; VCC = 3.0 V to 3.6 V | 9 | ||
| set-up time | tsu | 3 | ns | DS to SHCP; see Fig. 8; VCC = 4.5 V to 5.5 V | 9 | ||
| set-up time | tsu | 8.5 | ns | SHCP to STCP; see Fig. 7; VCC = 3.0 V to 3.6 V | 9 | ||
| set-up time | tsu | 5 | ns | SHCP to STCP; see Fig. 7; VCC = 4.5 V to 5.5 V | 9 | ||
| hold time | th | 1.5 | ns | DS to SHCP; see Fig. 8; VCC = 3.0 V to 3.6 V | 9 | ||
| hold time | th | 2 | ns | DS to SHCP; see Fig. 8; VCC = 4.5 V to 5.5 V | 9 | ||
| recovery time | trec | 3 | ns | MR to SHCP; see Fig. 9; VCC = 3.0 V to 3.6 V | 9 | ||
| recovery time | trec | 2.5 | ns | MR to SHCP; see Fig. 9; VCC = 4.5 V to 5.5 V | 9 | ||
| power dissipation capacitance | CPD | 180 | pF | fi = 1 MHz; VI = GND to VCC | 9 |
CAD (KiCad official)
- Symbol:
74AHC595D - Footprint:
Package_SO:SOIC-16_3.9x9.9mm_P1.27mm - 3D model: SOIC-16 (KiCad packages3D, STEP)
- 3D model files:
74ahc595d-etched.step/74ahc595d-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);74ahc595d.step/74ahc595d.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Nexperia datasheet (19 pp, sha256
67d6cf86d0a75a0a, retrieved 2026-10-27, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(agreed (audit)), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).
# 74AHC595D
**Nexperia** · Shift Registers · SOIC-16
74AHC595D from Nexperia, in a SOIC-16. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
## Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | Q1 | tri_state | Parallel data output Q1 of the storage register; it is in the high-impedance OFF-state when OE is HIGH. |
| 2 | Q2 | tri_state | Parallel data output Q2 of the storage register; it is in the high-impedance OFF-state when OE is HIGH. |
| 3 | Q3 | tri_state | Parallel data output Q3 of the storage register; it is in the high-impedance OFF-state when OE is HIGH. |
| 4 | Q4 | tri_state | Parallel data output Q4 of the storage register; it is in the high-impedance OFF-state when OE is HIGH. |
| 5 | Q5 | tri_state | Parallel data output Q5 of the storage register; it is in the high-impedance OFF-state when OE is HIGH. |
| 6 | Q6 | tri_state | Parallel data output Q6 of the storage register; it is in the high-impedance OFF-state when OE is HIGH. |
| 7 | Q7 | tri_state | Parallel data output Q7 of the storage register; it is in the high-impedance OFF-state when OE is HIGH. |
| 8 | GND | power_in | Ground (0 V) reference for all voltages on the device. |
| 9 | Q7S | output | Serial data output Q7S, which passes the shift register stage 7 state for cascading to another device. |
| 10 | MR | input | Asynchronous master reset input, active LOW; a LOW level resets the shift register. |
| 11 | SHCP | input | Shift register clock input; data is shifted on the LOW-to-HIGH transition of SHCP. |
| 12 | STCP | input | Storage register clock input; data is transferred to the storage register on the LOW-to-HIGH transition of STCP. |
| 13 | OE | input | Output enable input, active LOW; a HIGH level forces the Qn outputs into the high-impedance OFF-state. |
| 14 | DS | input | Serial data input to the 8-bit shift register. |
| 15 | Q0 | tri_state | Parallel data output Q0 of the storage register; it is in the high-impedance OFF-state when OE is HIGH. |
| 16 | VCC | power_in | Supply voltage, 2.0 V to 5.5 V for the 74AHC595 (Table 5). |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| Package | SOIC-16 |
| Category | Logic |
| Pins | 16 |
## Electrical characteristics
Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| supply voltage | VCC | -0.5 | | 7 | V | | 6 |
| input voltage | VI | -0.5 | | 7 | V | | 6 |
| input clamping current | IIK | -20 | | | mA | VI < -0.5 V | 6 |
| output clamping current | IOK | -20 | | 20 | mA | VO < -0.5 V or VO > VCC + 0.5 V | 6 |
| output current | IO | -25 | | 25 | mA | VO = -0.5 V to (VCC + 0.5 V) | 6 |
| supply current | ICC | | | 75 | mA | | 6 |
| ground current | IGND | -75 | | | mA | | 6 |
| storage temperature | Tstg | -65 | | 150 | °C | | 6 |
| total power dissipation | Ptot | | | 500 | mW | Tamb = -40 °C to +125 °C | 6 |
| supply voltage | VCC | 2 | 5 | 5.5 | V | | 6 |
| input voltage | VI | 0 | | 5.5 | V | | 6 |
| output voltage | VO | 0 | | | V | | 6 |
| ambient temperature | Tamb | -40 | 25 | 125 | °C | | 6 |
| input transition rise and fall rate | Δt/ΔV | | | 100 | ns/V | VCC = 3.0 V to 3.6 V | 6 |
| input transition rise and fall rate | Δt/ΔV | | | 20 | ns/V | VCC = 4.5 V to 5.5 V | 6 |
| HIGH-level input voltage | VIH | 1.5 | | | V | VCC = 2.0 V | 6 |
| HIGH-level input voltage | VIH | 2.1 | | | V | VCC = 3.0 V | 6 |
| HIGH-level input voltage | VIH | 3.85 | | | V | VCC = 5.5 V | 6 |
| LOW-level input voltage | VIL | | | 0.5 | V | VCC = 2.0 V | 6 |
| LOW-level input voltage | VIL | | | 0.9 | V | VCC = 3.0 V | 6 |
| LOW-level input voltage | VIL | | | 1.65 | V | VCC = 5.5 V | 6 |
| HIGH-level output voltage | VOH | 1.9 | 2 | | V | VI = VIH or VIL; IO = -50 μA; VCC = 2.0 V | 7 |
| HIGH-level output voltage | VOH | 2.9 | 3 | | V | VI = VIH or VIL; IO = -50 μA; VCC = 3.0 V | 7 |
| HIGH-level output voltage | VOH | 4.4 | 4.5 | | V | VI = VIH or VIL; IO = -50 μA; VCC = 4.5 V | 7 |
| HIGH-level output voltage | VOH | 2.58 | | | V | VI = VIH or VIL; IO = -4.0 mA; VCC = 3.0 V | 7 |
| HIGH-level output voltage | VOH | 3.94 | | | V | VI = VIH or VIL; IO = -8.0 mA; VCC = 4.5 V | 7 |
| LOW-level output voltage | VOL | | 0 | 0.1 | V | VI = VIH or VIL; IO = 50 μA; VCC = 2.0 V | 7 |
| LOW-level output voltage | VOL | | | 0.36 | V | VI = VIH or VIL; IO = 4.0 mA; VCC = 3.0 V | 7 |
| input leakage current | II | | | 0.1 | μA | VI = 5.5 V or GND; VCC = 0 V to 5.5 V | 7 |
| OFF-state output current | IOZ | -0.25 | | 0.25 | μA | VI = VIH or VIL; VO = VCC or GND; VCC = 5.5 V | 7 |
| supply current | ICC | | | 4 | μA | VI = VCC or GND; IO = 0 A; VCC = 5.5 V | 7 |
| input capacitance | CI | | 3 | 10 | pF | | 7 |
| propagation delay | tpd | 1 | 5.7 | 13 | ns | SHCP to Q7S; VCC = 3.0 V to 3.6 V; CL = 15 pF | 8 |
| propagation delay | tpd | 1 | 7.7 | 16.5 | ns | SHCP to Q7S; VCC = 3.0 V to 3.6 V; CL = 50 pF | 8 |
| propagation delay | tpd | 1 | 4 | 8.2 | ns | SHCP to Q7S; VCC = 4.5 V to 5.5 V; CL = 15 pF | 8 |
| propagation delay | tpd | 1 | 5.4 | 10 | ns | SHCP to Q7S; VCC = 4.5 V to 5.5 V; CL = 50 pF | 8 |
| propagation delay | tpd | 1 | 5.9 | 11.9 | ns | STCP to Qn; VCC = 3.0 V to 3.6 V; CL = 15 pF | 8 |
| propagation delay | tpd | 1 | 7.7 | 15.4 | ns | STCP to Qn; VCC = 3.0 V to 3.6 V; CL = 50 pF | 8 |
| propagation delay | tpd | 1 | 4.2 | 7.4 | ns | STCP to Qn; VCC = 4.5 V to 5.5 V; CL = 15 pF | 8 |
| propagation delay | tpd | 1 | 5.5 | 9 | ns | STCP to Qn; VCC = 4.5 V to 5.5 V; CL = 50 pF | 8 |
| HIGH to LOW propagation delay | tPHL | 1 | 5.9 | 12.8 | ns | MR to Q7S; VCC = 3.0 V to 3.6 V; CL = 15 pF | 8 |
| HIGH to LOW propagation delay | tPHL | 1 | 7.4 | 16.3 | ns | MR to Q7S; VCC = 3.0 V to 3.6 V; CL = 50 pF | 8 |
| HIGH to LOW propagation delay | tPHL | 1 | 4.4 | 8 | ns | MR to Q7S; VCC = 4.5 V to 5.5 V; CL = 15 pF | 8 |
| HIGH to LOW propagation delay | tPHL | 1 | 5.6 | 10 | ns | MR to Q7S; VCC = 4.5 V to 5.5 V; CL = 50 pF | 8 |
| enable time | ten | 1 | 5.6 | 11.5 | ns | OE to Qn; VCC = 3.0 V to 3.6 V; CL = 15 pF | 8 |
| enable time | ten | 1 | 7.4 | 15 | ns | OE to Qn; VCC = 3.0 V to 3.6 V; CL = 50 pF | 8 |
| enable time | ten | 1 | 4 | 8.6 | ns | OE to Qn; VCC = 4.5 V to 5.5 V; CL = 15 pF | 8 |
| enable time | ten | 1 | 5.3 | 10.6 | ns | OE to Qn; VCC = 4.5 V to 5.5 V; CL = 50 pF | 8 |
| disable time | tdis | 1 | 5.4 | 11 | ns | OE to Qn; VCC = 3.0 V to 3.6 V; CL = 15 pF | 8 |
| disable time | tdis | 1 | 8.7 | 15.7 | ns | OE to Qn; VCC = 3.0 V to 3.6 V; CL = 50 pF | 8 |
| disable time | tdis | 1 | 3.8 | 8 | ns | OE to Qn; VCC = 4.5 V to 5.5 V; CL = 15 pF | 8 |
| disable time | tdis | 1 | 5.8 | 10.3 | ns | OE to Qn; VCC = 4.5 V to 5.5 V; CL = 50 pF | 8 |
| maximum frequency | fmax | 80 | 125 | | MHz | SHCP or STCP; see Fig. 6 and Fig. 7; VCC = 3.0 V to 3.6 V | 8 |
| maximum frequency | fmax | 130 | 170 | | MHz | SHCP or STCP; see Fig. 6 and Fig. 7; VCC = 4.5 V to 5.5 V | 8 |
| pulse width | tW | 5 | | | ns | SHCP HIGH or LOW; see Fig. 6; VCC = 3.0 V to 3.6 V | 8 |
| set-up time | tsu | 3.5 | | | ns | DS to SHCP; see Fig. 8; VCC = 3.0 V to 3.6 V | 9 |
| set-up time | tsu | 3 | | | ns | DS to SHCP; see Fig. 8; VCC = 4.5 V to 5.5 V | 9 |
| set-up time | tsu | 8.5 | | | ns | SHCP to STCP; see Fig. 7; VCC = 3.0 V to 3.6 V | 9 |
| set-up time | tsu | 5 | | | ns | SHCP to STCP; see Fig. 7; VCC = 4.5 V to 5.5 V | 9 |
| hold time | th | 1.5 | | | ns | DS to SHCP; see Fig. 8; VCC = 3.0 V to 3.6 V | 9 |
| hold time | th | 2 | | | ns | DS to SHCP; see Fig. 8; VCC = 4.5 V to 5.5 V | 9 |
| recovery time | trec | 3 | | | ns | MR to SHCP; see Fig. 9; VCC = 3.0 V to 3.6 V | 9 |
| recovery time | trec | 2.5 | | | ns | MR to SHCP; see Fig. 9; VCC = 4.5 V to 5.5 V | 9 |
| power dissipation capacitance | CPD | | 180 | | pF | fi = 1 MHz; VI = GND to VCC | 9 |
## CAD (KiCad official)
- Symbol: `74AHC595D`
- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`
- 3D model: SOIC-16 (KiCad packages3D, STEP)
- 3D model files: `74ahc595d-etched.step` / `74ahc595d-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `74ahc595d.step` / `74ahc595d.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Nexperia datasheet](https://assets.nexperia.com/documents/data-sheet/74AHC595D.pdf) (19 pp, sha256 `67d6cf86d0a75a0a`, retrieved 2026-10-27, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-5-5` (agreed (audit)), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).
[Datasheet PDF](docs/74ahc595d-datasheet.pdf)