参数资料
型号: 74LS273
厂商: Fairchild Semiconductor Corporation
英文描述: 8-Bit Register with Clear
中文描述: 8位寄存器与Clear
文件页数: 1/6页
文件大小: 66K
代理商: 74LS273
2000 Fairchild Semiconductor Corporation
DS009825
www.fairchildsemi.com
October 1988
Revised March 2000
DM74LS273
8-
Bit
Regi
ster
wi
th
Clear
DM74LS273
8-Bit Register with Clear
General Description
The DM74LS273 is a high speed 8-bit register, consisting
of eight D-type flip-flops with a common Clock and an
asynchronous active LOW Master Reset. This device is
supplied in a 20-pin package featuring 0.3 inch row spac-
ing.
Features
s Edge-triggered
s 8-bit high speed register
s Parallel in and out
s Common clock and master reset
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbol
VCC = Pin 20
GND
= Pin 10
Pin Descriptions
Connection Diagram
Truth Table
H
= HIGH Voltage Level
L
= LOW Voltage Level
X
= Immaterial
Order Number
Package Number
Package Description
DM74LS273WM
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
DM74LS273SJ
M20D
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
DM74LS273N
N20A
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Pin Names
Description
CP
Clock Pulse Input (Active Rising Edge)
D0–D7
Data Inputs
MR
Asynchronous Master Reset Input (Active LOW)
Q0–Q7
Flip-Flop Outputs
Inputs
Outputs
MR
CP
Dn
Qn
LX
X
L
H
HH
H
LL
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相关代理商/技术参数
参数描述
74LS273 WAF 制造商:Fairchild Semiconductor Corporation 功能描述:
74LS273D 制造商:SIG 功能描述:74LS273 SIG'87 LOC:SB-177, NXC2A 制造商: 功能描述: 制造商:undefined 功能描述:
74LS273DC 制造商:未知厂家 制造商全称:未知厂家 功能描述:Octal D-Type Flip-Flop
74LS273N 制造商:NXP Semiconductors 功能描述: 制造商: 功能描述: 制造商:undefined 功能描述: 制造商:NXP Semiconductors 功能描述:Flip Flop, Octal, D Type, 20 Pin, Plastic, DIP
74LS273P 制造商:Misc 功能描述: