Texas Instruments 74AC series, CD74AC244M96, Buffer, Non-Inverting, 3-State, 2-Element, 4-Bit per Element, 24mA output, 1.5V to 5.5V supply, -40°C to 85°C, 20-SOIC wide-body.
| Parameter | Value |
|---|---|
| Series | 74AC |
| Logic type | Buffer, Non-Inverting |
| Output type | 3-State |
| Mounting | Surface Mount |
| Supply voltage | 1.5V ~ 5.5V |
| Current - output high, low | 24mA, 24mA |
| Operating temperature | -40°C ~ 85°C (TA) |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Case | 20-SOIC (0.295\", 7.50mm Width) |
| Number of elements | 2 |
| Number of bits per element | 4 |
The 3-state output control lets multiple devices share a common bus by placing outputs in a high-impedance state when the output-enable pins are asserted.
The 3-state control allows bus sharing; when the output-enable pins are inactive, the outputs go high-impedance and the bus floats, so multiple buffers can drive the same line without contention.
The wide SOIC footprint is common and easy to route — the 1.27 mm pin pitch gives good clearance for manual inspection and rework.
The SN74LVTH16245ADGVR is a 16-bit transceiver with 32 mA drive and a 2.7 V minimum supply — it is not a direct pin-compatible substitute but serves a similar bus-driving role in lower-voltage designs. The SN74LVC2G17QDCKRQ1 is a dual Schmitt-trigger buffer with 32 mA drive and automotive qualification, suited for noise-sensitive or under-hood applications. Neither is a drop-in replacement; verify the pinout and logic function against your board.