SN54BCT573

更新时间： 2024-11-26 22:53:39

品牌	Logo	应用领域
德州仪器 - TI		锁存器输出元件
页数	文件大小	规格书
5页	76K
描述
OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS

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SN54BCT573 数据手册

SN54BCT573, SN74BCT573

OCTAL TRANSPARENT D-TYPE LATCHES

WITH 3-STATE OUTPUTS

SCBS071A – AUGUST 1990 – REVISED NOVEMBER 1993

SN54BCT573 . . . J OR W PACKAGE

SN74BCT573 . . . DW OR N PACKAGE

(TOP VIEW)

• State-of-the-Art BiCMOS Design

Significantly Reduces I

CCZ

• ESD Protection Exceeds 2000 V Per

MIL-STD-883C, Method 3015; Exceeds

200 V Using Machine Model (C = 200 pF,

R = 0)

• Full Parallel Access for Loading

• Package Options Include Plastic

Small-Outline (DW) Packages, Ceramic

Chip Carriers (FK) and Flatpacks (W), and

Plastic and Ceramic 300-mil DIPs (J, N)

13 7Q

11 LE

description

GND 10

These 8-bit latches feature 3-state outputs

designed specifically for driving highly capacitive

or relatively low-impedance loads. They are

particularly suitable for implementing buffer

registers, I/O ports, bidirectional bus drivers, and

working registers.

SN54BCT573 . . . FK PACKAGE

(TOP VIEW)

20 19

The eight latches of the ′BCT573 are transparent

D-type latches. While the latch-enable (LE) input

ishigh, theQoutputswillfollowthedata(D)inputs.

When the latch enable is taken low, the Q outputs

will be latched at the logic levels that were set up

at the D inputs.

9 10 11 12 13

A buffered output-enable (OE) input can be used

to place the eight outputs in either a normal logic

state (high or low logic levels) or

high-impedance state. In the high-impedance

state, the outputs neither load nor drive the bus lines significantly. The high-impedance state and increased

drive provide the capability to drive bus lines without need for interface or pullup components.

The output enable (OE) does not affect the internal operations of the latches. Old data can be retained or new

data can be entered while the outputs are in the high-impedance state.

The SN54BCT573 is characterized for operation over the full military temperature range of –55°C to 125°C. The

SN74BCT573 is characterized for operation from 0°C to 70°C.

FUNCTION TABLE

(each latch)

INPUTS

OUTPUT

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

2–1

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5

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与SN54BCT573相关器件

型号	品牌	获取价格	描述	数据表
SN54BCT573_07	TI	获取价格	OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS
SN54BCT573_08	TI	获取价格	OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS
SN54BCT573FK	TI	获取价格	OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS
SN54BCT573FKR	TI	获取价格	BCT/FBT SERIES, 8-BIT DRIVER, TRUE OUTPUT, CQCC20, CERAMIC, LCC-20
SN54BCT573J	TI	获取价格	OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS
SN54BCT573W	TI	获取价格	OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS
SN54BCT573WR	TI	获取价格	BCT/FBT SERIES, 8-BIT DRIVER, TRUE OUTPUT, CDFP20, CERAMIC, DFP-20
SN54BCT574	TI	获取价格	OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS
SN54BCT574_07	TI	获取价格	OCTAL TRANSPARENT D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS
SN54BCT574FK	TI	获取价格	OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS

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