DS90LV049TMTX

@@ -0,0 +1,57 @@+# DS90LV049TMTX++**Texas Instruments** · LVDS ICs · TSSOP-16++DS90LV049TMTX from Texas Instruments, in a TSSOP-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 | RIN1- | input | Inverting LVDS receiver 1 input. Differential input pair (with RIN1+) accepting LVDS signals with common-mode range 0.05 V to 3 V; internal fail-safe biasing places the receiver output in a known HIGH state when inputs are floating. |+| 2 | RIN1+ | input | Non-inverting LVDS receiver 1 input. Differential input pair (with RIN1-) accepting LVDS signals per TIA/EIA-644-A. |+| 3 | RIN2+ | input | Non-inverting LVDS receiver 2 input. Differential input pair (with RIN2-) accepting LVDS signals per TIA/EIA-644-A. |+| 4 | RIN2- | input | Inverting LVDS receiver 2 input. Differential input pair (with RIN2+) accepting LVDS signals; internal fail-safe biasing on floating inputs. |+| 5 | DOUT2- | output | Inverting LVDS driver 2 output. Differential output pair (with DOUT2+) driving |VOD| = 250-450 mV into a 100 Ω line load; TRI-STATE when disabled. |+| 6 | DOUT2+ | output | Non-inverting LVDS driver 2 output. Differential output pair (with DOUT2-) driving a 100 Ω terminated LVDS line per TIA/EIA-644-A. |+| 7 | DOUT1+ | output | Non-inverting LVDS driver 1 output. Differential output pair (with DOUT1-) driving a 100 Ω terminated LVDS line. |+| 8 | DOUT1- | output | Inverting LVDS driver 1 output. Differential output pair (with DOUT1+); TRI-STATE when disabled via EN/EN pins. |+| 9 | EN_N | input | Active-low enable input (EN-bar), LVCMOS levels. ANDed with EN to control TRI-STATE of all four channels (both drivers and receivers); outputs are enabled only when EN = H and EN_N = L or Open. Input high 2.0 V min, input low 0.8 V max. |+| 10 | DIN1 | input | LVCMOS driver 1 input. Drives LVDS driver 1 outputs (DOUT1+/-). VIH ≥ 2.0 V, VIL ≤ 0.8 V; input clamp voltage -0.6 V typ at ICL = -18 mA. |+| 11 | DIN2 | input | LVCMOS driver 2 input. Drives LVDS driver 2 outputs (DOUT2+/-). LVCMOS input levels: VIH ≥ 2.0 V, VIL ≤ 0.8 V. |+| 12 | VDD | power_in | Positive supply. +3.3 V ±10% (3.0 V min, 3.6 V max). Typical supply current IDD = 21 mA (35 mA max) enabled; 15 mA typ (25 mA max) in TRI-STATE. |+| 13 | GND | power_in | Ground reference (0 V) for all supply and signal levels. |+| 14 | ROUT2 | output | LVCMOS receiver 2 output. 3 V CMOS level output; VOH ≥ 2.7 V at IOH = -0.4 mA, VOL ≤ 0.25 V at IOL = 2 mA. TRI-STATE when disabled. |+| 15 | ROUT1 | output | LVCMOS receiver 1 output. 3 V CMOS level output; VOH ≥ 2.7 V, VOL ≤ 0.25 V. TRI-STATE when disabled via EN/EN_N. |+| 16 | EN | input | Active-high enable input, LVCMOS levels. ANDed with EN_N to control TRI-STATE of all four channels; outputs enabled only when EN = H and EN_N = L or Open (see Truth Table). VIH ≥ 2.0 V, VIL ≤ 0.8 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSSOP-16 |+| Category | Interface |+| Pins | 16 |++## Ordering variants++Same part, different packaging or reel option.++- `DS90LV049TMTX`++## CAD (KiCad official)++- Symbol: `DS90LV049TMTX`+- Footprint: `Package_SO:TSSOP-16_4.4x5mm_P0.65mm`+- 3D model: TSSOP-16 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](docs/ds90lv049tmtx-datasheet.pdf) (22 pp, sha256 `be164a28655a6a5d`, 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/ds90lv049tmtx-datasheet.pdf)

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