74VCX16841

更新时间： 2024-11-05 22:45:59

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		锁存器
页数	文件大小	规格书
7页	68K
描述
Low Voltage 20-Bit Transparent Latch with 3.6V Tolerant Inputs and Outputs

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中文翻译

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数据手册

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74VCX16841 数据手册

March 1998

Revised April 1999

74VCX16841

Low Voltage 20-Bit Transparent Latch with 3.6V Tolerant

Inputs and Outputs

General Description

Features

■ 1.65V–3.6V V_CCsupply operation

The VCX16841 contains twenty non-inverting latches with

3-STATE outputs and is intended for bus oriented applica-

tions. The device is byte controlled. The flip-flops appear

transparent to the data when the Latch enable (LE) is

HIGH. When LE is LOW, the data that meets the setup time

is latched. Data appears on the bus when the Output

Enable (OE) is LOW. When OE is HIGH, the outputs are in

a high impedance state.

■ 3.6V tolerant inputs and outputs

■ t_PD(D_nto O_n)

3.0 ns max for 3.0V to 3.6V V_CC

3.4 ns max for 2.3V to 2.7V V_CC

6.8 ns max for 1.65V to 1.95V V_CC

■ Power-off high impedance inputs and outputs

■ Supports live insertion and withdrawal (Note 1)

The 74VCX16841 is designed for low voltage (1.65V to

3.6V) V_CCapplications with I/O compatibility up to 3.6V.

The 74VCX16841 is fabricated with an advanced CMOS

technology to achieve high speed operation while maintain-

ing low CMOS power dissipation.

■ Static Drive (I_OH/I_OL)

±24 mA @ 3.0V V_CC

±18 mA @ 2.3V V_CC

±6 mA @ 1.65V V_CC

■ Uses patented noise/EMI reduction circuitry

■ Latch-up performance exceeds 300 mA

■ ESD performance:

Human body model > 2000V

Machine model > 200V

Note 1: To ensure the high-impedance state during power up or power

down, OE should be tied to V

through a pull-up resistor; the minimum

value of the resistor is determined by the current-sourcing capability of the

driver.

Ordering Code:

Order Number Package Number

Package Description

74VCX16841MTD

MTD56

56-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide

Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.

Logic Symbol

Pin Descriptions

Pin Names

OE_n

Description

Output Enable Input (Active LOW)

Latch Enable Input

Inputs

LE_n

D₀–D₁₉

O₀–O₁₉

Outputs

DS500132.prf

www.fairchildsemi.com

12 3 4 5 6 7

中文翻译

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与74VCX16841相关器件

型号	品牌	获取价格	描述	数据表
74VCX16841_04	FAIRCHILD	获取价格	Low Voltage 20-Bit Transparent Latch with 3.6V Tolerant Inputs and Outputs
74VCX16841MEA	FAIRCHILD	获取价格	Bus Driver, ALVC/VCX/A Series, 2-Func, 10-Bit, True Output, CMOS, PDSO56
74VCX16841MEAX	FAIRCHILD	获取价格	暂无描述
74VCX16841MTD	FAIRCHILD	获取价格	Low Voltage 20-Bit Transparent Latch with 3.6V Tolerant Inputs and Outputs
74VCX16841MTDX	FAIRCHILD	获取价格	10-Bit D-Type Latch
74VCX2245	FAIRCHILD	获取价格	Low Voltage Bidirectional Transceiver with 3.6V Tolerant Inputs and Outputs and 26W Series
74VCX2245BQX	FAIRCHILD	获取价格	Low Voltage Bidirectional Transceiver with 3.6V Tolerant Inputs and Outputs and 26W Series
74VCX2245MTC	FAIRCHILD	获取价格	Low Voltage Bidirectional Transceiver with 3.6V Tolerant Inputs and Outputs and 26W Series
74VCX2245MTCX	FAIRCHILD	获取价格	Low Voltage Bidirectional Transceiver with 3.6V Tolerant Inputs and Outputs and 26W Series
74VCX2245WM	FAIRCHILD	获取价格	Low Voltage Bidirectional Transceiver with 3.6V Tolerant Inputs and Outputs and 26W Series

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