SN74BCT29821NT

更新时间： 2024-11-13 22:40:23

品牌	Logo	应用领域
德州仪器 - TI		触发器输出元件
页数	文件大小	规格书
5页	73K
描述
10-BIT BUS-INTERFACE FLIP-FLOP WITH 3-STATE OUTPUTS

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SN74BCT29821NT 数据手册

SN74BCT29821

10-BIT BUS-INTERFACE FLIP-FLOP

WITH 3-STATE OUTPUTS

SCBS021D – FEBRUARY 1989 – REVISED NOVEMBER 1993

DW OR NT 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)

23 1Q

22 2Q

21 3Q

20 4Q

19 5Q

18 6Q

17 7Q

16 8Q

15 9Q

14 10Q

13 CLK

• 3-State Buffer-Type Outputs Drive Bus

Lines Directly

• Package Options Include Plastic

Small-Outline (DW) Packages and Standard

Plastic 300-mil DIPs (NT)

9D 10

10D 11

GND 12

description

This 10-bit bus-interface flip-flop features 3-state

outputs designed specifically for driving highly

capacitive or relatively low-impedance loads. It is

particularly suitable for implementing wider buffer

registers, I/O ports, bidirectional bus drivers with

parity, and working registers.

The ten flip-flops are edge-triggered D-type flip-flops. On the positive transition of the clock, the Q outputs will

be true to the data (D) inputs.

A buffered output-enable (OE) input can be used to place the ten outputs in either a normal logic state (high or

low) or a high-impedance state. In the high-impedance state, the outputs neither load nor drive the bus lines

significantly. Thehigh-impedancestateandincreaseddriveprovidethecapabilitytodrivebuslineswithoutneed

for interface or pullup components.

The output enable (OE) does not affect the internal operation of the flip-flops. Old data can be retained or new

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

The SN74BCT29821 is characterized for operation from 0°C to 70°C.

FUNCTION TABLE

(each flip-flop)

INPUTS

OUTPUT

CLK

↑

H or L

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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SN74BCT29821NT 替代型号

型号	品牌	替代类型	描述	数据表
SN74BCT29821NTE4	TI	完全替代	BCT/FBT SERIES, 10-BIT DRIVER, TRUE OUTPUT, PDIP24, 0.300 INCH, PLASTIC, DIP-24
SN74BCT29821DW	TI	完全替代	10-BIT BUS-INTERFACE FLIP-FLOP WITH 3-STATE OUTPUTS

与SN74BCT29821NT相关器件

型号	品牌	获取价格	描述	数据表
SN74BCT29821NTE4	TI	获取价格	BCT/FBT SERIES, 10-BIT DRIVER, TRUE OUTPUT, PDIP24, 0.300 INCH, PLASTIC, DIP-24
SN74BCT29822	TI	获取价格	10-BIT BUS-INTERFACE FLIP-FLOP WITH 3-STATE OUTPUTS
SN74BCT29822DW	ROCHESTER	获取价格	BCT/FBT SERIES, 10-BIT DRIVER, INVERTED OUTPUT, PDSO24, PLASTIC, SOIC-24
SN74BCT29822DW	TI	获取价格	10-Bit Bus-Interface Flip-Flop with 3-State Outputs 24-SOIC 0 to 70
SN74BCT29822DWR	TI	获取价格	10-BIT BUS-INTERFACE FLIP-FLOP WITH 3-STATE OUTPUTS
SN74BCT29822NT	TI	获取价格	10-Bit Bus-Interface Flip-Flop with 3-State Outputs 24-PDIP 0 to 70
SN74BCT29823	TI	获取价格	9-BIT BUS-INTERFACE FLIP-FLOP WITH 3-STATE OUTPUTS
SN74BCT29823_11	TI	获取价格	9-BIT BUS-INTERFACE FLIP-FLOP WITH 3-STATE OUTPUTS
SN74BCT29823DW	TI	获取价格	9-BIT BUS-INTERFACE FLIP-FLOP WITH 3-STATE OUTPUTS
SN74BCT29823DW-00	TI	获取价格	BCT/FBT SERIES, 9-BIT DRIVER, TRUE OUTPUT, PDSO24

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