Datasheet > TC74LCX164245

TC74LCX164245

更新时间： 2024-09-14 14:56:43

品牌	Logo	应用领域
东芝 - TOSHIBA		/
页数	文件大小	规格书
14页	340K
描述
16-bit Transceiver/Dual Supply, TSSOP48

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TC74LCX164245 数据手册

TC74LCX164245

CMOS Digital Integrated Circuits Silicon Monolithic

TC74LCX164245

1. Functional Description

•

16-Bit Dual Supply Bus Transceiver

2. General

The TC74LCX164245 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.

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

3. Features (Note)

(1) Operating voltage: 5.0 V-3.3 V / 5.0 V-2.5 V bidirectional interface

(2) Wide operating temperature range: Topr = -40 to 125 � (Note 1)

(3) High-speed operation: tpd = 5.8 ns (max) (VCCB = 5.0±0.5 V, VCCA = 3.3±0.3 V, Ta = -40 to 85 �)

(4) Low power dissipation: ICC = 80 µA (max) at Ta = -40 to 85 �

(5) Output current: IOUTA = ±24 mA (min)

IOUTB = ±24 mA (min)

(VCCA = 3.0 V/ VCCB = 4.5 V)

(6) Power-down protection provided on all inputs and outputs

(7) Allows A port and VCCA to float simultaneously in high state at OE pin

(8) 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 levels fixed by means of pull-up or pull-down

resistors.

Note 1: For devices with the ordering part number ending in KF. Topr = -40 � to 85 � for the other devices.

4. Packaging

TSSOP48

Start of commercial production

2020-01

2022-08-24

Rev.3.0

Toshiba Electronic Devices & Storage Corporation

12 3 4 5 6 7...14

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