CD4543BM96

@@ -0,0 +1,61 @@+# CD4543BM96++**Texas Instruments** · LCD Drivers · SOIC-16++CD4543BM96 from Texas Instruments, in a SOIC-16. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | LD | input | Latch Disable input. When LD=1 the input BCD data is latched; when LD=0 the outputs are transparent to the BCD inputs. Active-high latch-disable per the truth table. |+| 2 | C | input | BCD data input C (weight 2^2). CMOS logic input with typical input capacitance 5 pF; VIH >= 3.5 V at VDD=5 V. |+| 3 | B | input | BCD data input B (weight 2^1). CMOS logic input, VIH >= 3.5 V at VDD=5 V. |+| 4 | D | input | BCD data input D (weight 2^3, MSB). CMOS logic input, VIH >= 3.5 V at VDD=5 V. |+| 5 | A | input | BCD data input A (weight 2^0, LSB). CMOS logic input, VIH >= 3.5 V at VDD=5 V. |+| 6 | PHASE | input | Phase input (Ph). For LCD readouts apply a square wave (typ. 30-200 Hz) equal to the LCD backplane. For common-cathode LEDs set Ph=0; for common-anode LEDs set Ph=1. Controls output-polarity XOR stage. |+| 7 | BL | input | Blanking input (BI). BI=1 forces all seven segment outputs to the blank state regardless of BCD inputs; BI=0 enables normal decode. Tie to VSS for pin-for-pin CD4056B replacement. |+| 8 | VSS | power_in | Negative supply / ground reference. All voltages are referenced to VSS. |+| 9 | a | output | Seven-segment display output 'a'. CMOS push-pull output capable of driving LCD segments, LEDs, or TTL/HTL loads; typical IOH ~-0.75 mA and IOL ~1 mA at VDD=5 V. |+| 10 | b | output | Seven-segment display output 'b'. CMOS push-pull; drives LCD, LED, or logic loads. |+| 11 | c | output | Seven-segment display output 'c'. CMOS push-pull; drives LCD, LED, or logic loads. |+| 12 | d | output | Seven-segment display output 'd'. CMOS push-pull; drives LCD, LED, or logic loads. |+| 13 | e | output | Seven-segment display output 'e'. CMOS push-pull; drives LCD, LED, or logic loads. |+| 14 | g | output | Seven-segment display output 'g'. CMOS push-pull; drives LCD, LED, or logic loads. |+| 15 | f | output | Seven-segment display output 'f'. CMOS push-pull; drives LCD, LED, or logic loads. |+| 16 | VDD | power_in | Positive supply. Recommended operating range 3 V to 18 V; absolute maximum 20 V referenced to VSS. Bypass with a local ceramic capacitor. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-16 |+| Category | LED-drv |+| Pins | 16 |++## Ordering variants++- `CD4543BM96M`+- `CD4543BM96M96`+- `CD4543BM96NSR`+- `CD4543BM96E`+- `CD4543BM96PW`+- `CD4543BM96PWR`+- `CD4543BM96MT`++## CAD (KiCad official)++- Symbol: `CD4543BM96`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SOIC-16 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/cd4543bm96.pdf) (17 pp, sha256 `1b246395cfbd8b03`, retrieved 2026-08-17, tier: manufacturer)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/cd4543bm96-datasheet.pdf)

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