English
Language : 

HD74HC374 Datasheet, PDF (3/9 Pages) Hitachi Semiconductor – Octal D-type Flip-Flops (with 3-state outputs),Octal D-type Flip-flops (with inverted 3-state outputs)
HD74HC374, HD74HC534
Logic Diagram
HD74HC374
1D
2D
3D
4D
5D
6D
7D
8D
DQ
CQ
DQ
CQ
DQ
CQ
DQ
CQ
DQ
CQ
DQ
CQ
DQ
CQ
DQ
CQ
Clock
Output
Control
1Q
2Q
3Q
4Q
5Q
6Q
7Q
8Q
HD74HC534
Clock
1D
2D
3D
4D
5D
6D
7D
8D
DQ
CQ
DQ
CQ
DQ
CQ
DQ
CQ
DQ
CQ
DQ
CQ
DQ
CQ
DQ
CQ
Output
Control
1Q
2Q
3Q
4Q
5Q
6Q
7Q
8Q
Absolute Maximum Ratings
Item
Symbol
Ratings
Unit
Supply voltage range
VCC
–0.5 to 7.0
V
Input / Output voltage
Input / Output diode current
VIN, VOUT
IIK, IOK
–0.5 to VCC +0.5
V
±20
mA
Output current
VCC, GND current
IOUT
ICC or IGND
±35
mA
±75
mA
Power dissipation
Storage temperature
PT
Tstg
500
mW
–65 to +150
°C
Note: The absolute maximum ratings are values, which must not individually be exceeded, and furthermore, no two of
which may be realized at the same time.
Rev.2.00 Mar 30, 2006 page 3 of 8