HD74HC273
Octal D-type Flip-Flops (with Clear)
REJ03D0604-0300
Rev.3.00
Mar 25, 2009
Description
This device contains 8 master-slave flip-flops with a common clock and common clear. Data on the D input having the
specified setup and hold times is transferred to the Q output on the low to high transition of the clock input. The clear
input when low, sets all outputs to a low state.
Features
•
•
•
•
•
•
High Speed Operation: tpd (Clock to Q) = 18 ns typ (CL = 50 pF)
High Output Current: Fanout of 10 LSTTL Loads
Wide Operating Voltage: VCC = 2 to 6 V
Low Input Current: 1 µA max
Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)
Ordering Information
Package Type
Package Code
(Previous Code)
Package
Abbreviation
DILP-20 pin
PRDP0020AC-B
(DP-20NEV)
P
HD74HC273FPEL
SOP-20 pin (JEITA)
PRSP0020DD-B
(FP-20DAV)
FP
EL (2,000 pcs/reel)
HD74HC273RPEL
SOP-20 pin (JEDEC)
PRSP0020DC-A
(FP-20DBV)
RP
EL (1,000 pcs/reel)
HD74HC273TELL
TSSOP-20 pin
PTSP0020JB-A
(TTP-20DAV)
T
ELL (2,000 pcs/reel)
Part Name
HD74HC273P
Note:
Taping Abbreviation
(Quantity)
—
Please consult the sales office for the above package availability.
Function Table
Clear
L
Inputs
Clock
X
H
H
H
H
Note
L
1. H: high level, L: low level, X: irrelevant
REJ03D0604-0300 Rev.3.00 Mar 25, 2009
Page 1 of 7
D
X
Output
Q
L
H
L
X
X
H
L
No change
No change
