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README

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CD4520BM

lingxingic · Counters, Dividers · SOP-16

CD4520BM from lingxingic, in a SOP-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 CP0_1 input Clock input for counter 1 that advances the counter on a LOW-to-HIGH transition when nCP1 is LOW and nMR is LOW, per the function table.
2 CP1_1 input Clock input for counter 1 that advances the counter on a HIGH-to-LOW transition when nCP0 is HIGH and nMR is LOW, per the function table.
3 Q0_1 output Counter 1 binary output bit 0, forced LOW while master reset MR_1 is HIGH.
4 Q1_1 output Counter 1 binary output bit 1, forced LOW while master reset MR_1 is HIGH.
5 Q2_1 output Counter 1 binary output bit 2, forced LOW while master reset MR_1 is HIGH.
6 Q3_1 output Counter 1 binary output bit 3, forced LOW while master reset MR_1 is HIGH.
7 MR_1 input Master reset input for counter 1; when HIGH, outputs Q0 to Q3 are forced LOW regardless of the clock inputs.
8 VSS power_in Ground supply voltage, the 0 V reference for all voltages in the datasheet.
9 CP0_2 input Clock input for counter 2 that advances the counter on a LOW-to-HIGH transition when nCP1 is LOW and nMR is LOW, per the function table.
10 CP1_2 input Clock input for counter 2 that advances the counter on a HIGH-to-LOW transition when nCP0 is HIGH and nMR is LOW, per the function table.
11 Q0_2 output Counter 2 binary output bit 0, forced LOW while master reset MR_2 is HIGH.
12 Q1_2 output Counter 2 binary output bit 1, forced LOW while master reset MR_2 is HIGH.
13 Q2_2 output Counter 2 binary output bit 2, forced LOW while master reset MR_2 is HIGH.
14 Q3_2 output Counter 2 binary output bit 3, forced LOW while master reset MR_2 is HIGH.
15 MR_2 input Master reset input for counter 2; when HIGH, outputs Q0 to Q3 are forced LOW regardless of the clock inputs.
16 VDD power_in Supply voltage, recommended range 3 V to 15 V referenced to VSS, with an absolute maximum of +18 V.

Key specifications

Parameter Value
Manufacturer lingxingic
Package SOP-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 VDD -0.5 18 V Voltages referenced to VSS 5
input voltage VI -0.5 V all inputs; printed max is VDD+0.5 (not numeric) 5
DC input current IIK -10 10 mA any one input 5
storage temperature Tstg -65 150 ℃ 5
soldering temperature TL 260 ℃ 10s, SOP/TSSOP 5
supply voltage VDD 3 15 V 5
ambient temperature Tamb -40 125 ℃ in free air 5
HIGH-level input voltage VIH 3.5 V Tamb=-40℃ to +125℃; VDD=5V 7
HIGH-level input voltage VIH 7 V Tamb=-40℃ to +125℃; VDD=10V 7
HIGH-level input voltage VIH 11 V Tamb=-40℃ to +125℃; VDD=15V 7
LOW-level input voltage VIL 1.5 V Tamb=-40℃ to +125℃; VDD=5V 7
LOW-level input voltage VIL 3 V Tamb=-40℃ to +125℃; VDD=10V 7
LOW-level input voltage VIL 4 V Tamb=-40℃ to +125℃; VDD=15V 7
HIGH-level output voltage VOH 4.95 V Tamb=-40℃ to +125℃; VDD=5V; /IO/<1uA 7
HIGH-level output voltage VOH 9.95 V Tamb=-40℃ to +125℃; VDD=10V; /IO/<1uA 7
HIGH-level output voltage VOH 14.95 V Tamb=-40℃ to +125℃; VDD=15V; /IO/<1uA 7
LOW-level output voltage VOL 0.05 V Tamb=-40℃ to +125℃; VDD=5V; /IO/<1uA 7
HIGH-level output current IOH -0.3 mA Tamb=-40℃ to +125℃; VDD=5V; VO=4.6V 7
HIGH-level output current IOH -1.15 mA Tamb=-40℃ to +125℃; VDD=5V; VO=2.5V 7
HIGH-level output current IOH -0.45 mA Tamb=-40℃ to +125℃; VDD=10V; VO=9.5V 7
HIGH-level output current IOH -1.4 mA Tamb=-40℃ to +125℃; VDD=15V; VO=13.5V 7
LOW-level output current IOL 0.29 mA Tamb=-40℃ to +125℃; VDD=5V; VO=0.4V 7
LOW-level output current IOL 0.38 mA Tamb=-40℃ to +125℃; VDD=10V; VO=0.5V 7
LOW-level output current IOL 1.2 mA Tamb=-40℃ to +125℃; VDD=15V; VO=1.5V 7
input leakage current II -4 4 uA Tamb=-40℃ to +125℃; VDD=15V; VI=15V or GND 7
supply current IDD 7.5 uA Tamb=-40℃ to +125℃; VDD=5V; VI=5V or GND; IO=0A 7
supply current IDD 15 uA Tamb=-40℃ to +125℃; VDD=10V; VI=10V or GND; IO=0A 7
supply current IDD 30 uA Tamb=-40℃ to +125℃; VDD=15V; VI=15V or GND; IO=0A 7
HIGH to LOW propagation delay time (nCP0, nCP1 to nQn) tPHL 265 ns Tamb=-40℃ to +125℃; VSS=0V; VDD=5V; see Figure 4 9
HIGH to LOW propagation delay time (nCP0, nCP1 to nQn) tPHL 120 ns Tamb=-40℃ to +125℃; VSS=0V; VDD=10V; see Figure 4 9
HIGH to LOW propagation delay time (nCP0, nCP1 to nQn) tPHL 95 ns Tamb=-40℃ to +125℃; VSS=0V; VDD=15V; see Figure 4 9
HIGH to LOW propagation delay time (nMR to nQn) tPHL 180 ns Tamb=-40℃ to +125℃; VSS=0V; VDD=5V; see Figure 4 9
HIGH to LOW propagation delay time (nMR to nQn) tPHL 85 ns Tamb=-40℃ to +125℃; VSS=0V; VDD=10V; see Figure 4 9
HIGH to LOW propagation delay time (nMR to nQn) tPHL 60 ns Tamb=-40℃ to +125℃; VSS=0V; VDD=15V; see Figure 4 9
LOW to HIGH propagation delay time (nCP0, nCP1 to nQn) tPLH 265 ns Tamb=-40℃ to +125℃; VSS=0V; VDD=5V; see Figure 4 9
LOW to HIGH propagation delay time (nCP0, nCP1 to nQn) tPLH 120 ns Tamb=-40℃ to +125℃; VSS=0V; VDD=10V; see Figure 4 9
LOW to HIGH propagation delay time (nCP0, nCP1 to nQn) tPLH 95 ns Tamb=-40℃ to +125℃; VSS=0V; VDD=15V; see Figure 4 9
transition time (nQn) tTHL, tTLH 145 ns Tamb=-40℃ to +125℃; VSS=0V; VDD=5V; see Figure 4 9
transition time (nQn) tTHL, tTLH 72 ns Tamb=-40℃ to +125℃; VSS=0V; VDD=10V; see Figure 4 9
transition time (nQn) tTHL, tTLH 48 ns Tamb=-40℃ to +125℃; VSS=0V; VDD=15V; see Figure 4 9
pulse width (nCP0 input LOW, first block) tw 72 ns Tamb=-40℃ to +125℃; VSS=0V; VDD=5V; nCP0 input LOW; minimum width; see Figure 5 9
pulse width (nCP0 input LOW, first block) tw 36 ns Tamb=-40℃ to +125℃; VSS=0V; VDD=10V; nCP0 input LOW; minimum width; see Figure 5 9
pulse width (nCP0 input LOW, first block) tw 24 ns Tamb=-40℃ to +125℃; VSS=0V; VDD=15V; nCP0 input LOW; minimum width; see Figure 5 9
pulse width (nCP0 input LOW, third block) tw 36 ns Tamb=-40℃ to +125℃; VSS=0V; VDD=5V; nCP0 input LOW; minimum width; see Figure 5 9
pulse width (nCP0 input LOW, third block) tw 24 ns Tamb=-40℃ to +125℃; VSS=0V; VDD=10V; nCP0 input LOW; minimum width; see Figure 5 9
pulse width (nCP0 input LOW, third block) tw 20 ns Tamb=-40℃ to +125℃; VSS=0V; VDD=15V; nCP0 input LOW; minimum width; see Figure 5 9
recovery time (nMR input) trec 60 ns Tamb=-40℃ to +125℃; VSS=0V; VDD=5V; see Figure 5 9
recovery time (nMR input) trec 36 ns Tamb=-40℃ to +125℃; VSS=0V; VDD=10V; see Figure 5 9
recovery time (nMR input) trec 24 ns Tamb=-40℃ to +125℃; VSS=0V; VDD=15V; see Figure 5 9
set-up time (nCP0 to nCP1) tsu 60 ns Tamb=-40℃ to +125℃; VSS=0V; VDD=5V; nCP0 to nCP1; see Figure 5 9
set-up time (nCP0 to nCP1) tsu 36 ns Tamb=-40℃ to +125℃; VSS=0V; VDD=10V; nCP0 to nCP1; see Figure 5 9
set-up time (nCP0 to nCP1) tsu 24 ns Tamb=-40℃ to +125℃; VSS=0V; VDD=15V; nCP0 to nCP1; see Figure 5 9
set-up time (nCP1 to nCP0) tsu 60 ns Tamb=-40℃ to +125℃; VSS=0V; VDD=5V; nCP1 to nCP0; see Figure 5 9
set-up time (nCP1 to nCP0) tsu 36 ns Tamb=-40℃ to +125℃; VSS=0V; VDD=10V; nCP1 to nCP0; see Figure 5 9
set-up time (nCP1 to nCP0) tsu 24 ns Tamb=-40℃ to +125℃; VSS=0V; VDD=15V; nCP1 to nCP0; see Figure 5 9
maximum frequency fmax 6 MHZ Tamb=-40℃ to +125℃; VSS=0V; VDD=5V; nCP1, nCP0; see Figure 5 9
maximum frequency fmax 12 MHZ Tamb=-40℃ to +125℃; VSS=0V; VDD=10V; nCP1, nCP0; see Figure 5 9
maximum frequency fmax 16 MHZ Tamb=-40℃ to +125℃; VSS=0V; VDD=15V; nCP1, nCP0; see Figure 5 9

CAD (KiCad official)

  • Symbol: CD4520BM
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOP-16 (KiCad packages3D, STEP)
  • 3D model files: cd4520bm-etched.step / cd4520bm-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cd4520bm.step / cd4520bm.glb are the bare package body.

Provenance

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

  • Datasheet: lingxingic datasheet (15 pp, sha256 60178b4d605ca8d9, retrieved 2026-10-19, 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