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74F174 반도체 회로 부품 판매점

Hex D-Type Flip-Flop with Master Reset



Fairchild Semiconductor 로고
Fairchild Semiconductor
74F174 데이터시트, 핀배열, 회로
April 1988
Revised July 1999
74F174
Hex D-Type Flip-Flop with Master Reset
General Description
The 74F174 is a high-speed hex D-type flip-flop. The
device is used primarily as a 6-bit edge-triggered storage
register. The information on the D inputs is transferred to
storage during the LOW-to-HIGH clock transition. The
device has a Master Reset to simultaneously clear all flip-
flops.
Features
s Edge-triggered D-type inputs
s Buffered positive edge-triggered clock
s Asynchronous common reset
s Guaranteed 4000V minimum ESD protection
Ordering Code:
Order Number Package Number
Package Description
74F174SC
M16A
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
74F174SJ
M16D
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74F174PC
N16E
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbols
Connection Diagram
IEEE/IEC
© 1999 Fairchild Semiconductor Corporation DS009489
www.fairchildsemi.com


74F174 데이터시트, 핀배열, 회로
Unit Loading/Fan Out
Pin Names
D0–D5
CP
MR
Q0–Q5
Description
Data Inputs
Clock Pulse Input (Active Rising Edge)
Master Reset Input (Active LOW)
Outputs
U.L.
HIGH/LOW
1.0/1.0
1.0/1.0
1.0/1.0
50/33.3
Input IIH/IIL
Output IOH/IOL
20 µA/0.6 mA
20 µA/0.6 mA
20 µA/0.6 mA
1 mA/20 mA
Functional Description
The 74F174 consists of six edge-triggered D-type flip-flops
with individual D inputs and Q outputs. The Clock (CP) and
Master Reset (MR) are common to all flip-flops. Each D
input’s state is transferred to the corresponding flip-flop’s
output following the LOW-to-HIGH Clock (CP) transition. A
LOW input to the Master Reset (MR) will force all outputs
LOW independent of Clock or Data inputs. The 74F174 is
useful for applications where the true output only is
required and the Clock and Master Reset are common to
all storage elements.
Truth Table
Inputs
MR CP
L X
H
H
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
= LOW-to-HIGH Clock Transition
Outputs
Dn Qn
XL
HH
LL
Logic Diagram
Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.
www.fairchildsemi.com
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74F174 flip-flop

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