Datasheet > TC74VCX16843FT_07

TC74VCX16843FT_07

更新时间： 2024-11-09 04:49:35

品牌	Logo	应用领域
东芝 - TOSHIBA		锁存器
页数	文件大小	规格书
12页	221K
描述
Low-Voltage 18-Bit D-Type Latch with 3.6-V Tolerant Inputs and Outputs

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TC74VCX16843FT

TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic

TC74VCX16843FT

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

The TC74VCX16843FT is a high-performance CMOS 18-bit

D-type 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 TC74VCX16843FT 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 inputs.

Weight: 0.25 g (typ.)

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 LE 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.

All inputs are equipped with protection circuits against static discharge.

Features

•

Low-voltage operation: V

= 1.8 to 3.6 V

High-speed operation

: t = 3.0 ns (max) (V

= 3.0 to 3.6 V)

= 2.3 to 2.7 V)

= 1.8 V)

: t = 3.7 ns (max) (V

: t = 7.4 ns (max) (V

•

Output current: I /I

= ±24 mA (min) (V

= ±18 mA (min) (V

= 3.0 V)

= 2.3 V)

OH OL

: I /I

OH OL

: I /I

OH OL

= ±6 mA (min) (V

= 1.8 V)

•

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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