# SN74HC112N

**XBLW** · Flip Flops · DIP-16

SN74HC112N from XBLW, in a DIP-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 | 1CP | input | Clock input for flip-flop 1, edge-triggered on the HIGH-to-LOW transition. |
| 2 | 1K | input | Data input K for flip-flop 1. |
| 3 | 1J | input | Data input J for flip-flop 1. |
| 4 | 1S | input | Set input for flip-flop 1, active LOW. |
| 5 | 1Q | output | True flip-flop output of flip-flop 1. |
| 6 | 1Q | output | Complement flip-flop output of flip-flop 1. |
| 7 | 2Q | output | Complement flip-flop output of flip-flop 2. |
| 8 | GND | power_in | Ground (0 V) reference for the device. |
| 9 | 2Q | output | True flip-flop output of flip-flop 2. |
| 10 | 2S | input | Set input for flip-flop 2, active LOW. |
| 11 | 2J | input | Data input J for flip-flop 2. |
| 12 | 2K | input | Data input K for flip-flop 2. |
| 13 | 2CP | input | Clock input for flip-flop 2, edge-triggered on the HIGH-to-LOW transition. |
| 14 | 2R | input | Reset input for flip-flop 2, active LOW. |
| 15 | 1R | input | Reset input for flip-flop 1, active LOW. |
| 16 | VCC | power_in | Supply voltage; the SN74HC112 operates from 2 V to 6 V per the datasheet features list. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | XBLW |
| Package | DIP-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 | Tamb=25℃; voltages referenced to Vss | 3 |
| ground current | IGND | -50 |  |  | mA | Tamb=25℃ | 3 |
| input clamping current | IIK | -20 |  | 20 | mA | VI < -0.5V or VI > VCC+0.5V | 3 |
| output clamping current | IOK | -20 |  | 20 | mA | VO < -0.5V or VO > VCC+0.5V | 3 |
| output current | IO | -25 |  | 25 | mA | -0.5V < VO < VCC+0.5V | 3 |
| storage temperature | Tstg | -65 |  | 150 | ℃ |  | 3 |
| soldering temperature (DIP) | TL |  |  | 245 | ℃ | 10s, DIP package | 3 |
| HIGH-level input voltage | VIH | 1.5 | 1.2 |  | V | Tamb=-40℃ to +85℃; VCC=2.0V | 3 |
| HIGH-level input voltage | VIH | 3.15 | 2.4 |  | V | Tamb=-40℃ to +85℃; VCC=4.5V | 3 |
| HIGH-level input voltage | VIH | 4.2 | 3.2 |  | V | Tamb=-40℃ to +85℃; VCC=6.0V | 3 |
| LOW-level input voltage | VIL |  | 0.8 | 0.5 | V | Tamb=-40℃ to +85℃; VCC=2.0V | 3 |
| LOW-level input voltage | VIL |  | 2.1 | 1.35 | V | Tamb=-40℃ to +85℃; VCC=4.5V | 3 |
| LOW-level input voltage | VIL |  | 2.8 | 1.8 | V | Tamb=-40℃ to +85℃; VCC=6.0V | 3 |
| HIGH-level output voltage | VOH | 1.9 | 2 |  | V | Tamb=-40℃ to +85℃; VCC=2.0V; IO=-20uA | 3 |
| HIGH-level output voltage | VOH | 4.4 | 4.5 |  | V | Tamb=-40℃ to +85℃; VCC=4.5V; IO=-20uA | 3 |
| HIGH-level output voltage | VOH | 5.9 | 6 |  | V | Tamb=-40℃ to +85℃; VCC=6.0V; IO=-20uA | 3 |
| HIGH-level output voltage | VOH | 3.84 | 4.32 |  | V | Tamb=-40℃ to +85℃; VCC=4.5V; IO=-4.0mA | 3 |
| HIGH-level output voltage | VOH | 5.34 | 5.81 |  | V | Tamb=-40℃ to +85℃; VCC=6.0V; IO=-5.2mA | 3 |
| LOW-level output voltage | VOL |  | 0 | 0.1 | V | Tamb=-40℃ to +85℃; VCC=2.0V; IO=20uA | 3 |
| LOW-level output voltage | VOL |  | 0.15 | 0.33 | V | Tamb=-40℃ to +85℃; VCC=4.5V; IO=4.0mA | 3 |
| LOW-level output voltage | VOL |  | 0.16 | 0.33 | V | Tamb=-40℃ to +85℃; VCC=6.0V; IO=5.2mA | 3 |
| input leakage current | II | -1 |  | 1 | uA | Tamb=-40℃ to +85℃; VCC=6.0V; VI=VCC or GND | 3 |
| supply current | ICC |  |  | 80 | uA | Tamb=-40℃ to +85℃; VCC=6.0V; VI=VCC or GND; IO=0A | 3 |
| HIGH-level input voltage | VIH | 1.5 |  |  | V | Tamb=-40℃ to +125℃; VCC=2.0V | 4 |
| HIGH-level input voltage | VIH | 3.15 |  |  | V | Tamb=-40℃ to +125℃; VCC=4.5V | 4 |
| HIGH-level input voltage | VIH | 4.2 |  |  | V | Tamb=-40℃ to +125℃; VCC=6.0V | 4 |
| LOW-level input voltage | VIL |  |  | 0.5 | V | Tamb=-40℃ to +125℃; VCC=2.0V | 4 |
| LOW-level input voltage | VIL |  |  | 1.35 | V | Tamb=-40℃ to +125℃; VCC=4.5V | 4 |
| LOW-level input voltage | VIL |  |  | 1.8 | V | Tamb=-40℃ to +125℃; VCC=6.0V | 4 |
| HIGH-level output voltage | VOH | 1.9 |  |  | V | Tamb=-40℃ to +125℃; VCC=2.0V; IO=-20uA | 4 |
| HIGH-level output voltage | VOH | 4.4 |  |  | V | Tamb=-40℃ to +125℃; VCC=4.5V; IO=-20uA | 4 |
| HIGH-level output voltage | VOH | 5.9 |  |  | V | Tamb=-40℃ to +125℃; VCC=6.0V; IO=-20uA | 4 |
| HIGH-level output voltage | VOH | 3.7 |  |  | V | Tamb=-40℃ to +125℃; VCC=4.5V; IO=-4.0mA | 4 |
| HIGH-level output voltage | VOH | 5.2 |  |  | V | Tamb=-40℃ to +125℃; VCC=6.0V; IO=-5.2mA | 4 |
| LOW-level output voltage | VOL |  |  | 0.1 | V | Tamb=-40℃ to +125℃; VCC=2.0V; IO=20uA | 4 |
| LOW-level output voltage | VOL |  |  | 0.4 | V | Tamb=-40℃ to +125℃; VCC=4.5V; IO=4.0mA | 4 |
| input leakage current | II | -1 |  | 1 | uA | Tamb=-40℃ to +125℃; VCC=6.0V; VI=VCC or GND | 4 |
| supply current | ICC |  |  | 160 | uA | Tamb=-40℃ to +125℃; VCC=6.0V; VI=VCC or GND; IO=0A | 4 |
| nCP to nQ propagation delay | tPLH, tPHL |  | 55 | 220 | ns | Tamb=-40℃ to +85℃; VCC=2.0V; CL=50pF; see Figure 5 | 5 |
| nCP to nQ propagation delay | tPLH, tPHL |  | 20 | 44 | ns | Tamb=-40℃ to +85℃; VCC=4.5V; CL=50pF; see Figure 5 | 5 |
| nCP to nQ propagation delay | tPLH, tPHL |  | 16 | 37 | ns | Tamb=-40℃ to +85℃; VCC=6.0V; CL=50pF; see Figure 5 | 5 |
| nS to nQ propagation delay | tPLH, tPHL |  | 18 | 39 | ns | Tamb=-40℃ to +85℃; VCC=4.5V; CL=50pF; see Figure 6 | 5 |
| transition time | tTHL, tTLH |  | 7 | 19 | ns | Tamb=-40℃ to +85℃; VCC=4.5V; CL=50pF; see Figure 5 | 5 |
| nCP HIGH or LOW pulse width | tw | 20 | 8 |  | ns | Tamb=-40℃ to +85℃; VCC=4.5V; CL=50pF; see Figure 5 | 5 |
| nJ and nK to nCP set-up time | tsu | 20 | 7 |  | ns | Tamb=-40℃ to +85℃; VCC=4.5V; CL=50pF; see Figure 5 | 5 |
| nJ and nK to nCP hold time | th | 0 | -4 |  | ns | Tamb=-40℃ to +85℃; VCC=4.5V; CL=50pF; see Figure 5 | 5 |
| maximum frequency | fmax | 24 | 60 |  | MHz | Tamb=-40℃ to +85℃; VCC=4.5V; CL=50pF; see Figure 5 | 5 |
| maximum frequency | fmax | 28 | 71 |  | MHz | Tamb=-40℃ to +85℃; VCC=6.0V; CL=50pF; see Figure 5 | 6 |
| nCP to nQ propagation delay | tPLH, tPHL |  |  | 265 | ns | Tamb=-40℃ to +125℃; VCC=2.0V; CL=50pF; see Figure 3 | 6 |
| nCP to nQ propagation delay | tPLH, tPHL |  |  | 53 | ns | Tamb=-40℃ to +125℃; VCC=4.5V; CL=50pF; see Figure 3 | 6 |
| nCP to nQ propagation delay | tPLH, tPHL |  |  | 45 | ns | Tamb=-40℃ to +125℃; VCC=6.0V; CL=50pF; see Figure 3 | 6 |
| nJ and nK to nCP set-up time | tsu | 120 |  |  | ns | Tamb=-40℃ to +125℃; VCC=2.0V; CL=50pF; see Figure 3 | 7 |
| nJ and nK to nCP set-up time | tsu | 24 |  |  | ns | Tamb=-40℃ to +125℃; VCC=4.5V; CL=50pF; see Figure 3 | 7 |
| maximum frequency | fmax | 20 |  |  | MHZ | Tamb=-40℃ to +125℃; VCC=4.5V; CL=50pF; see Figure 3 | 7 |
| maximum frequency | fmax | 24 |  |  | NHZ | Tamb=-40℃ to +125℃; VCC=6.0V; CL=50pF; see Figure 3 | 7 |

## CAD (KiCad official)

- Symbol: `SN74HC112N`
- Footprint: `Package_DIP:DIP-16_W7.62mm`
- 3D model: DIP-16 (KiCad packages3D, STEP)
- 3D model files: `sn74hc112n-etched.step` / `sn74hc112n-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74hc112n.step` / `sn74hc112n.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [XBLW datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602767287045152768) (14 pp, sha256 `566b4af3aceaa0c1`, retrieved 2026-10-15, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-5-5` (agreed), 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/sn74hc112n-datasheet.pdf)