HD74LS73A Datasheet, PDF (2/7 Pages) Hitachi Semiconductor – Dual J-K Flip-Flops(with Clear)

HD74LS73A
Block Diagram (1/2)
Q
Q
Clear
K
J
Clock
Absolute Maximum Ratings
Item
Symbol
Ratings
Supply voltage
VCC
7
Input voltage
VIN
7
Power dissipation
PT
400
Storage temperature
Tstg
–65 to +150
Note: Voltage value, unless otherwise noted, are with respect to network ground terminal.
Recommended Operating Conditions
Item
Symbol
Supply voltage
VCC
Output current
IOH
IOL
Operating temperature
Topr
Clock frequency
fclock
Pulse width
tw (Clock High)
tw (Clear Low)
Setup time
tsu (“H” Data)
tsu (“L” Data)
Hold time
th
Note: ↓; The arrow indicates the falling edge.
Min
4.75
—
—
–20
0
20
25
20↓
20↓
0↓
Typ
5.00
—
—
25
—
—
—
—
—
—
Max
5.25
–400
8
75
30
—
—
—
—
—
Unit
V
V
mW
°C
Unit
V
µA
mA
°C
MHz
ns
ns
ns
Rev.3.00, Jul.22.2005, page 2 of 6