Datasheet > TC74VCX162843FT_07

TC74VCX162843FT_07

更新时间： 2024-02-07 12:18:21

品牌	Logo	应用领域
东芝 - TOSHIBA		锁存器
页数	文件大小	规格书
12页	228K
描述
Low-Voltage 18-Bit D-Type Latch with 3.6-V Tolerant Inputs and Outputs

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TC74VCX162843FT

TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic

TC74VCX162843FT

Low-Voltage 18-Bit D-Type Latch with 3.6-V Tolerant Inputs and Outputs

The TC74VCX162843FT is a high-performance CMOS 18-bit

D-typr latch. Designed for use in 1.8-V, 2.5-V or 3.3-V systems, it

achieves high-speed operation while maintaining the CMOS low

power dissipation.

It is also designed with overvoltage tolerant inputs and outputs

up to 3.6 V.

The TC74VCX162843FT can be used as two 9-bit latches or

one 18-bit latch. The 18 latches are transparent D-type latches.

The device has noninverting data (D) inputs and provides true

data at its outputs. While the latch-enable (1LE or 2LE) input is

high, the Q outputs of the corresponding 9-bit latch follow the D

Weight: 0.25 g (typ.)

inputs. When LE is taken low, the Q outputs are latched at the

levels set up at the D inputs. CLR and PR are independent of the CK and are accomplished by setting the

appropriate input low. When the OE input is high, the outputs are in a high-impedance state. This device is

designed to be used with 3-state memory address drivers, etc.

The 26-Ω series resistor helps reducing output overshoot and undershoot without external resistor.

All inputs are equipped with protection circuits against static discharge.

Features

•

26-Ω series resistors on outputs

Low-voltage operation: V = 1.8 to 3.6 V

High-speed operation: t = 3.9 ns (max) (V

= 3.0 to 3.6 V)

= 2.3 to 2.7 V)

= 1.8 V)

: t = 5.1 ns (max) (V

: t = 9.8 ns (max) (V

•

Output current: I /I

= ±12 mA (min) (V

= 3.0 V)

OH OL

: I /I

= ±8 mA (min) (V

= ±4 mA (min) (V

= 2.3 V)

= 1.8 V)

OH OL

: I /I

OH OL

•

Latch-up performance: −300 mA

ESD performance:Machine model ≥ ±200 V

Human body model ≥ ±2000 V

•

Package: TSSOP

3.6-V tolerant function and power-down protection provided on all inputs and outputs

2007-10-19

12 3 4 5 6 7...12

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