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参数资料
| 型号： | SN74ALS273DWRE4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 锁存器 |
| 英文描述： | ALS SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, PDSO20 |
| 封装： | PLASTIC, SO-20 |
| 文件页数： | 1/17页 |
| 文件大小： | 688K |
| 代理商： | SN74ALS273DWRE4 |
SN54ALS273, SN74ALS273
OCTAL D-TYPE FLIP-FLOPS
WITH CLEAR
SDAS218A – APRIL 1982 – REVISED DECEMBER 1994
Copyright
1994, Texas Instruments Incorporated
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Contain Eight Flip-Flops With Single-Rail
Outputs
Buffered Clock and Direct-Clear Inputs
Individual Data Input to Each Flip-Flop
Applications Include:
Buffer/Storage Registers
Shift Registers
Pattern Generators
Package Options Include Plastic
Small-Outline (DW) Packages, Ceramic
Chip Carriers (FK), and Standard Plastic (N)
and Ceramic (J) 300-mil DIPs
description
These octal positive-edge-triggered flip-flops
utilize TTL circuitry to implement D-type flip-flop
logic with a direct-clear (CLR) input.
Information at the data (D) inputs meeting the
setup-time requirements is transferred to the
Q outputs on the positive-going edge of the clock
(CLK) pulse. Clock triggering occurs at a particular
voltage level and is not directly related to the
transition time of the positive-going pulse. When
CLK is at either the high or low level, the D input
signal has no effect at the output.
The SN54ALS273 is characterized for operation
over the full military temperature range of – 55
°C
to 125
°C. The SN74ALS273 is characterized for
operation from 0
°C to 70°C.
FUNCTION TABLE
(each flip-flop)
INPUTS
OUTPUT
CLR
CLK
D
OUTPUT
Q
L
X
L
H
↑
HH
H
↑
LL
H
H or L
X
Q0
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
CLR
1Q
1D
2D
2Q
3Q
3D
4D
4Q
GND
VCC
8Q
8D
7D
7Q
6Q
6D
5D
5Q
CLK
SN54ALS273 ...J PACKAGE
SN74ALS273 . . . DW OR N PACKAGE
(TOP VIEW)
3
2120 19
910 11 12 13
4
5
6
7
8
18
17
16
15
14
8D
7D
7Q
6Q
6D
2D
2Q
3Q
3D
4D
1D
1Q
CLR
5Q
5D
8Q
4Q
GND
CLK
V
CC
SN54ALS273 . . . FK PACKAGE
(TOP VIEW)
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.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SN74ALS273DWRG4 | 功能描述:触发器 Octal Pos-Edge-Trig D-Typ F-F W/Clear RoHS:否 制造商:Texas Instruments 电路数量:2 逻辑系列:SN74 逻辑类型:D-Type Flip-Flop 极性:Inverting, Non-Inverting 输入类型:CMOS 输出类型: 传播延迟时间:4.4 ns 高电平输出电流:- 16 mA 低电平输出电流:16 mA 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:X2SON-8 封装:Reel |
| SN74ALS273FN | 制造商:. 功能描述: |
| SN74ALS273J | 制造商:Texas Instruments 功能描述: |
| SN74ALS273N | 功能描述:触发器 Octal w/ Clear RoHS:否 制造商:Texas Instruments 电路数量:2 逻辑系列:SN74 逻辑类型:D-Type Flip-Flop 极性:Inverting, Non-Inverting 输入类型:CMOS 输出类型: 传播延迟时间:4.4 ns 高电平输出电流:- 16 mA 低电平输出电流:16 mA 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:X2SON-8 封装:Reel |
| SN74ALS273N | 制造商:Texas Instruments 功能描述:FLIP FLOP LOGIC IC |
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