See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

DB | 20

Temp:

C (0 to 70)

ECO Plan:

Green (RoHS & no Sb/Br)

TRS3318ECDBR


2.5-V 460-Kbps RS-232 Transceiver With +/-15-kV ESD Protection

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Qty.Price
1 - 9 $ 2.89
10 - 24 $ 2.61
25 - 99 $ 2.33
100 - 249 $ 2.10
250 - 499 $ 1.89
500 - 749 $ 1.57
750 - 999 $ 1.30
1000 - 9999 $ 1.06

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Texas Instruments TRS3318ECDBR

The TRS3318E is a dual-driver, dual-receiver, RS-232-compatible transceiver. The device features auto-powerdown plus and enhanced electrostatic discharge (ESD) protection integrated into the chip. Driver output and receiver input are protected to ±15 kV using the IEC 61000-4-2 Air-Gap Discharge method, ±8 kV using the IEC 61000-4-2 Contact Discharge method, and ±15 kV using the Human-Body Model (HBM).

The device operates at a data rate of 460 kbps. The transceiver has a proprietary low-dropout driver output stage, enabling RS-232-compatible operation from a 2.25-V to 3-V supply with a dual charge pump. The charge pump requires only four 0.1-µF capacitors and features a logic-level output (READY) that asserts when the charge pump is regulating and the device is ready to begin transmitting.

The TRS3318E achieves a 1-µA supply current using the auto-powerdown feature. This device automatically enters a low-power power-down mode when the RS-232 cable is disconnected or the drivers of the connected peripherals are inactive for more than 30 s. The device turns on again when it senses a valid transition at any driver or receiver input. Auto-powerdown saves power without changes to the existing BIOS or operating system.

This device is available in two space-saving packages: 20-pin SSOP and 20-pin TSSOP.

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