DG408LEDY-T1-GE3

@@ -0,0 +1,61 @@+# DG408LEDY-T1-GE3++**Vishay** · Analog Switches, Multiplexers · SOIC-16++DG408LEDY-T1-GE3 from Vishay, 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 | A0 | input | Channel-select address bit 0 (LSB). TTL/CMOS/LV (3 V) compatible digital input; input current ±1 µA max. Together with A1, A2, and EN, selects which of the 8 S inputs is routed to D per the truth table. |+| 2 | EN | input | Active-high enable input. When EN = 0, all switches are off (None selected); when EN = 1, the switch addressed by A2/A1/A0 is on. TTL/CMOS/LV(3 V) compatible; VINH ≥ 2.4 V, VINL ≤ 0.8 V (at V+ = 12 V). |+| 3 | V- | power_in | Negative analog supply rail. For single-supply operation tie to GND; for dual-supply operation connect to the negative rail (down to -8 V). V+ to V- max 18 V; GND to V- min -18 V. |+| 4 | S1 | passive | Analog switch source terminal for channel 1. Bidirectional analog signal path (channel conducts equally well in both directions). Signal range 0 to 12 V at V+ = 12 V single supply, or ±5 V at ±5 V dual supply; RDS(on) ≈ 17 Ω typ. |+| 5 | S2 | passive | Analog switch source terminal for channel 2. Bidirectional analog input/output routed to D when A2A1A0 = 001 and EN = 1. |+| 6 | S3 | passive | Analog switch source terminal for channel 3. Bidirectional analog input/output routed to D when A2A1A0 = 010 and EN = 1. |+| 7 | S4 | passive | Analog switch source terminal for channel 4. Bidirectional analog input/output routed to D when A2A1A0 = 011 and EN = 1. Worst-case channel isolation occurs on ch 4 due to proximity to D. |+| 8 | D | passive | Common drain (multiplexer output/input). One of the eight S channels is connected to D based on the A0/A1/A2 address and EN. Bidirectional; peak current 100 mA (pulsed, 1 ms, 10 % duty). |+| 9 | S8 | passive | Analog switch source terminal for channel 8. Bidirectional analog input/output routed to D when A2A1A0 = 111 and EN = 1. |+| 10 | S7 | passive | Analog switch source terminal for channel 7. Bidirectional analog input/output routed to D when A2A1A0 = 110 and EN = 1. |+| 11 | S6 | passive | Analog switch source terminal for channel 6. Bidirectional analog input/output routed to D when A2A1A0 = 101 and EN = 1. |+| 12 | S5 | passive | Analog switch source terminal for channel 5. Bidirectional analog input/output routed to D when A2A1A0 = 100 and EN = 1. |+| 13 | V+ | power_in | Positive analog supply. 3 V to 16 V single-supply, or up to +8 V dual-supply. Sets the digital-input logic thresholds and the internal regulator that powers the decoder/driver. Quiescent supply current I+ = 3.5 µA typ (6 µA max). |+| 14 | GND | power_in | Digital / logic ground reference. Digital-input logic levels are referenced to GND. GND to V- min -18 V. |+| 15 | A2 | input | Channel-select address bit 2 (MSB). TTL/CMOS/LV(3 V) compatible digital input; input current ±1 µA max. Together with A1, A0, and EN, selects one of the 8 S channels per the truth table. |+| 16 | A1 | input | Channel-select address bit 1. TTL/CMOS/LV(3 V) compatible digital input; input current ±1 µA max. Together with A0, A2, and EN, selects one of the 8 S channels per the truth table. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Vishay |+| Package | SOIC-16 |+| Category | Interface |+| Pins | 16 |++## Ordering variants++Same part, different packaging or reel option.++- `DG408LEDY-GE3`+- `DG408LEDY-T1-GE3`+- `DG408LEDQ-GE3`+- `DG408LEDQ-T1-GE3`+- `DG408LEDN-T1-GE4`++## CAD (KiCad official)++- Symbol: `DG408LEDY-T1-GE3`+- 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:** [Vishay datasheet](docs/dg408ledy-t1-ge3-datasheet.pdf) (18 pp, sha256 `25c17230a1edebf9`, 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/dg408ledy-t1-ge3-datasheet.pdf)

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