CD4511BE

@@ -0,0 +1,61 @@+# CD4511BE++**Texas Instruments** · Digital Tube Drivers · DIP-16++CD4511BE from Texas Instruments, in a DIP-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 | B | input | BCD data input bit B (weight 2). CMOS logic input, protected by internal CMOS protection network. Referenced to VSS/VDD; VIH min ~3.5 V at VDD=5 V, ~7 V at VDD=10 V, 11 V at VDD=15 V. |+| 2 | C | input | BCD data input bit C (weight 4). CMOS logic input latched into the internal 4-bit register when LE=0. |+| 3 | LT | input | Lamp Test, active low. When LT=0 all seven segment outputs (a..g) are driven high to test the display, overriding BL and BCD inputs. |+| 4 | BL | input | Blanking, active low. When BL=0 (and LT=1) all seven segment outputs are blanked (driven low). Used for intensity modulation, strobing, or leading-zero suppression. |+| 5 | LE/STROBE | input | Latch Enable / Strobe. When LE=0 the BCD input data is passed through to the decoder; when LE=1 the last BCD data is latched and the display is held. Minimum strobe pulse width 400 ns at VDD=5 V. |+| 6 | D | input | BCD data input bit D (weight 8, MSB). BCD input codes greater than 1001 (>9) blank the display. |+| 7 | A | input | BCD data input bit A (weight 1, LSB). CMOS logic input referenced to VSS/VDD. |+| 8 | VSS | power_in | Negative supply / ground reference. Typically connected to 0 V. Absolute maximum VDD relative to VSS is -0.5 V to +20 V. |+| 9 | e | output | Segment 'e' output. Active-high n-p-n bipolar current-sourcing driver capable of sourcing up to 25 mA for direct drive of common-cathode LED, incandescent, or low-voltage fluorescent segment displays. |+| 10 | d | output | Segment 'd' output. Active-high n-p-n bipolar current-sourcing driver, up to 25 mA source current. |+| 11 | c | output | Segment 'c' output. Active-high n-p-n bipolar current-sourcing driver, up to 25 mA source current. |+| 12 | b | output | Segment 'b' output. Active-high n-p-n bipolar current-sourcing driver, up to 25 mA source current. |+| 13 | a | output | Segment 'a' output. Active-high n-p-n bipolar current-sourcing driver, up to 25 mA source current. |+| 14 | g | output | Segment 'g' output. Active-high n-p-n bipolar current-sourcing driver, up to 25 mA source current. |+| 15 | f | output | Segment 'f' output. Active-high n-p-n bipolar current-sourcing driver, up to 25 mA source current. |+| 16 | VDD | power_in | Positive supply. Operating VDD range 3 V to 18 V (referenced to VSS). Absolute-maximum VDD is +20 V. Full-package temperature range -55 °C to +125 °C. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | DIP-16 |+| Category | LED Drivers |+| Pins | 16 |++## Ordering variants++Same part, different packaging or reel option.++- `CD4511BEE`+- `CD4511BEF3A`+- `CD4511BENSR`+- `CD4511BEPW`+- `CD4511BEPWR`++## CAD (KiCad official)++- Symbol: `CD4511BE`+- Footprint: `Package_DIP:DIP-16_W7.62mm`+- 3D model: DIP-16 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/cd4511b) (19 pp, sha256 `64e032d04d526047`, retrieved 2026-08-17, tier: lcsc)+- **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/cd4511be-datasheet.pdf)

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