HD74HC74_15 Datasheet, PDF (4/10 Pages) Renesas Technology Corp – Dual D-type Flip-Flops (with Preset and Clear)

HD74HC74
Pin Arrangement
1CLR 1
1D 2
1CK 3
1PR 4
1Q 5
1Q 6
GND 7
CK D
PR CLR
QQ
D CK
CLR PR
QQ
(Top view)
14 V_CC
13 2CLR
12 2D
11 2CK
10 2PR
9 2Q
8 2Q
Logic Diagram (1/2)
PR
Q
CLR
CK
# ^CK
Q
D
# _CK
CK
CK
CK
#
CK
#
CK
CK
CK
#
CK
Absolute Maximum Ratings
Item
Symbol
Ratings
Unit
Supply voltage range
Input / Output voltage
Input / Output diode current
Output current
V_CC, GND current
Power dissipation
Storage temperature
V_CC
Vin, Vout
I_IK, I_OK
I_O
I_CC or I_GND
P_T
Tstg
–0.5 to 7.0
V
–0.5 to V_CC +0.5
V
±20
mA
±25
mA
±50
mA
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.
REJ03D0549-0300 Rev.3.00 Oct 27, 2008
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