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HD74HC377 Datasheet, PDF (2/7 Pages) Hitachi Semiconductor – Octal D-type Flip-Flops (with Enable)
HD74HC377
Pin Arrangement
Enable G 1
1Q 2
1D 3
2D 4
2Q 5
3Q 6
3D 7
4D 8
4Q 9
GND 10
Q
D CK G
Q
G CK D
D CK G
Q
G
CK
D
Q
Q
D CK G
Q
G CK D
D CK G
Q
G
CK
D
Q
(Top view)
20 VCC
19 8Q
18 8D
17 7D
16 7Q
15 6Q
14 6D
13 5D
12 5Q
11 Clock
Absolute Maximum Ratings
Item
Symbol
Ratings
Unit
Supply voltage range
VCC
–0.5 to 7.0
V
Input / Output voltage
VIN, VOUT
–0.5 to VCC +0.5
V
Input / Output diode current
IIK, IOK
±20
mA
Output current
IO
±25
mA
VCC, GND current
ICC or IGND
±50
mA
Power dissipation
PT
500
mW
Storage temperature
Tstg
–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.
Recommended Operating Conditions
Item
Symbol
Ratings
Supply voltage
Input / Output voltage
VCC
VIN, VOUT
2 to 6
0 to VCC
Operating temperature
Ta
–40 to 85
Input rise / fall time*1
0 to 1000
tr, tf
0 to 500
0 to 400
Note: 1. This item guarantees maximum limit when one input switches.
Waveform: Refer to test circuit of switching characteristics.
Unit
V
V
°C
ns
Conditions
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
Rev.2.00 Mar 30, 2006 page 2 of 6