Datasheet > TC74LCX164245FT_07

TC74LCX164245FT_07

更新时间： 2024-09-15 04:49:35

品牌	Logo	应用领域
东芝 - TOSHIBA		总线收发器
页数	文件大小	规格书
11页	188K
描述
16-Bit Dual Supply Bus Transceiver

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TC74LCX164245FT

TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic

TC74LCX164245FT

16-Bit Dual Supply Bus Transceiver

The TC74LCX164245FT is a dual supply, advanced high-speed

CMOS 16-bit dual supply voltage interface bus transceiver

fabricated with silicon gate CMOS technology.

Designed for use as an interface between a 5-V bus and a 3.3-V

or 2.5-V bus in mixed 5-V/3.3-V or 2.5-V supply systems, it achieves

high-speed operation while maintaining the CMOS low power

dissipation.

It is intended for 2 way asynchronous communication between

data busses. The direction of data transmission is determined by the

level of the DIR input. The enable input ( OE ) can be used to disable

the device so that the buses are effectively isolated. The B-port

interfaces with the 5-V bus, the A-port with the 3.3-V or 2.5-V bus.

Weight: 0.25 g (typ.)

All inputs are equipped with protection circuits against static discharge or transient excess voltage.

Features (Note)

•

Bidirectional interface between 5-V and 3.3-V or 2.5-V buses

High-speed: t = 5.8 ns (max)

= 5.0 ± 0.5 V/V

= 3.3 ± 0.3 V, Ta = −40 to 85°C)

CCA

CCB

•

Low power dissipation: I

= 80 μA (max) (Ta = −40 to 85°C)

Symmetrical ouput impedance:

= ±24 mA (min)

OUTA

OUTB

CCA

= 3.0 V/V

= 4.5 V)

CCB

•

Power-down protection provided on all inputs and outputs

Allows A port and V to float simultaneously when OE is “H”.

CCA

Latch-up performance: −500 mA

Package: TSSOP

Note:

Do not apply a signal to any bus pins when it is in the output mode. Damage may result.

All floating (high impedance) bus pins must have their input fixed by means of pull-up or pull-down resistors.

2007-10-19

12 3 4 5 6 7...11

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