DS34LV87T屬于集成電路（IC）的驅(qū)動(dòng)器接收器收發(fā)器。由美國德州儀器公司制造生產(chǎn)的DS34LV87T驅(qū)動(dòng)器，接收器，收發(fā)器該系列產(chǎn)品的主要功能是提供必需的硬件資源，以通過延長電纜或印制線進(jìn)行通信。確切的功能會(huì)因所采用的通信協(xié)議而異，可能包括諸如瞬態(tài)抑制之類的功能，這些功能對(duì)于通信用途可能并非絕對(duì)必要，但對(duì)于可能的使用環(huán)境卻是明智之選。

1FEATURES

? Meets TIA/EIA-422-B (RS-422) and ITU-T V.11

Recommendation

? Interoperable With Existing 5V RS-422

Networks

? Ensured VOD of 2V Min Over Operating

Conditions

? Balanced Output Crossover for Low EMI

(Typical Within 40 mV of 50% Voltage Level)

? Low Power Design (330 μW @ 3.3V Static)

? ESD ≥ 7 kV on Cable I/O Pins (HBM)

? Industrial Temperature Range

? Ensured AC Parameter:

– Maximum Driver Skew: 2 ns

– Maximum Transition Time: 10 ns

? Pin Compatible With DS26C31

? Available in SOIC Packaging

DESCRIPTION

The DS34LV87T is a high speed quad differential

CMOS driver that meets the requirements of both

TIA/EIA-422-B and ITU-T V.11. The CMOS

DS34LV87T features low static ICC of 100 μA max

which makes it ideal for battery powered and power

conscious applications. The TRI-STATE enable, EN,

allows the device to be disabled when the device is

not in use to minimize power. The dual enable

scheme allows for flexibility in turning devices on or

off.

Protection diodes protect all the driver inputs against

electrostatic discharge. The driver and enable inputs

(DI and EN) are compatible with LVTTL and

LVCMOS devices. Differential outputs have the same

VOD (≥2V) ensure as the 5V version. The outputs

have enhanced ESD Protection providing greater

than 7 kV tolerance.