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74F574 Datasheet

  • 74F574

  • Octal D-Type Flip-Flop with TRI-STATE Outputs

  • 171.92KB

  • 8頁

  • NSC

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54F 74F574 Octal D-Type Flip-Flop with TRI-STATE Outputs
May 1995
54F 74F574
Octal D-Type Flip-Flop with TRI-STATE Outputs
General Description
The 鈥橣574 is a high-speed low power octal flip-flop with a
buffered common Clock (CP) and a buffered common Out-
put Enable (OE) The information presented to the D inputs
is stored in the flip-flops on the LOW-to-HIGH Clock (CP)
transition
This device is functionally identical to the 鈥橣374 except for
the pinouts
Features
Y
Y
Y
Y
Inputs and outputs on opposite sides of package
allowing easy interface with microprocessors
Useful as input or output port for microprocessors
Functionally identical to 鈥橣374
TRI-STATE outputs for bus-oriented applications
Commercial
74F574PC
Military
Package
Number
N20A
Package Description
20-Lead (0 300 Wide) Molded Dual-In-Line
20-Lead Ceramic Dual-In-Line
20-Lead (0 300 Wide) Molded Small Outline JEDEC
20-Lead (0 300 Wide) Molded Small Outline EIAJ
20-Lead Cerpack
20-Lead Ceramic Leadless Chip Carrier Type C
54F574DM (Note 2)
74F574SC (Note 1)
74F574SJ (Note 1)
54F574FM (Note 2)
54F574LM (Note 2)
J20A
M20B
M20D
W20A
E20A
Note 1
Devices also available in 13 reel Use suffix
e
SCX and SJX
Note 2
Military grade device with environmental and burn-in processing Use suffix
e
DMQB FMQB and LMQB
Logic Symbols
IEEE IEC
TL F 9567 鈥?1
TL F 9567 鈥?4
Unit Loading Fan Out
54F 74F
Pin Names
D
0
鈥揇
7
CP
OE
O
0
鈥揙
7
Description
Data Inputs
Clock Pulse Input (Active LOW)
TRI-STATE Output Enable Input (Active LOW)
TRI-STATE Outputs
UL
HIGH LOW
10 10
10 10
10 10
150 40 (33 3)
Input I
IH
I
IL
Output I
OH
I
OL
20
mA
b
0 6 mA
20
mA
b
0 6 mA
20
mA
b
0 6 mA
b
3 mA 24 mA (20 mA)
TRI-STATE is a registered trademark of National Semiconductor Corporation
C
1995 National Semiconductor Corporation
TL F 9567
RRD-B30M75 Printed in U S A

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