74F74 Datasheet, PDF (3/8 Pages) NXP Semiconductors – Dual D-type flip-flop

Philips Semiconductors
Dual D-type flip-flop
Product specification
74F74
LOGIC DIAGRAM
SD ^{4, 10}
RD ^{1, 13}
CP ^{3, 11}
D ^{2, 12}
V_CC = Pin 14
GND = Pin 7
5, 9
Q
6, 8
Q
SF00048
FUNCTION TABLE
INPUTS
OUTPUTS
SD RD CP D
Q
Q
OPERATING
MODE
L
H
X
X
H
L Asynchronous set
H
L
X
X
L
H Asynchronous reset
L
L
X
X
H
H Undetermined*
H
H
↑
h
H
L Load ”1”
H
H
↑
l
L
H Load ”0”
H
H
↑
X NC NC Hold
NOTES:
H = High voltage level
h = High voltage level one setup time prior to low-to-high clock
transition
L = Low voltage level
l = Low voltage level one setup time prior to low-to-high clock
transition
NC= No change from the previous setup
X = Don’t care
↑ = Low-to-high clock transition
↑ = Not low-to-high clock transition
* = This setup is unstable and will change when either set or reset
return to the high level.
ABSOLUTE MAXIMUM RATINGS
(Operation beyond the limit set forth in this table may impair the useful life of the device.
Unless otherwise noted these limits are over the operating free air temperature range.)
SYMBOL
PARAMETER
V_CC
V_IN
I_IN
V_OUT
I_OUT
T_amb
Supply voltage
Input voltage
Input current
Voltage applied to output in high output state
Current applied to output in low output state
Operating free air temperature range
Commercial range
Industrial range
T_stg
Storage temperature range
RATING
–0.5 to +7.0
–0.5 to +7.0
–30 to +5
–0.5 to V_CC
40
0 to +70
–40 to +85
–65 to +150
UNIT
V
V
mA
V
mA
°C
°C
°C
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
V_CC
V_IH
V_IL
I_Ik
I_OH
I_OL
T_amb
Supply voltage
High-level input voltage
Low-level input voltage
Input clamp current
High-level output current
Low-level output current
Operating free air temperature range
Commercial range
Industrial range
LIMITS
MIN
NOM
MAX
4.5
5.0
5.5
2.0
0.8
–18
–1
20
0
+70
–40
+85
UNIT
V
V
V
mA
mA
mA
°C
°C
1996 Mar 12
3