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Philips Semiconductors
Product specification
74ALS175
Quad D flip-flop
1991 Feb 08
3
LOGIC DIAGRAM
D
Q
RD
V
= Pin 16
GND = Pin 8
CP
D0
4
D
Q
RD
CP
D1
5
D
Q
RD
CP
D2
12
D
Q
RD
CP
D3
13
Q
SF00721
CP
MR
9
1
3
2
6
11
10
14
15
7
Q0
Q0
Q1
Q1
Q2
Q2
Q3
Q3
FUNCTION TABLE
INPUTS
OUTPUTS
OPERATING
MODE
MR
CP
D
Q
n
L
Q
n
H
L
X
X
Reset (clear)
H
↑
↑
h
H
L
Load “1”
H
I
L
H
Load “0”
NOTES:
H =
h
=
L
=
l
=
X =
↑
=
High-voltage level
High state must be present one setup time before the Low-to-High clock transition
Low-voltage level
Low state must be present one setup time before the Low-to-High clock transition
Don’t care
Low-to-High clock transition
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
RATING
UNIT
V
CC
V
IN
I
IN
V
OUT
I
OUT
T
amb
T
stg
Supply voltage
–0.5 to +7.0
V
Input voltage
–0.5 to +7.0
V
Input current
–30 to +5
mA
Voltage applied to output in High output state
–0.5 to V
CC
16
V
Current applied to output in Low output state
mA
Operating free-air temperature range
0 to +70
°
C
°
C
Storage temperature range
–65 to +150
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
LIMITS
UNIT
MIN
NOM
MAX
V
CC
V
IH
V
IL
I
IK
I
OH
I
OL
T
amb
Supply voltage
4.5
5.0
5.5
V
High-level input voltage
2.0
V
Low-level input voltage
0.8
V
Input clamp current
–18
mA
High-level output current
–0.4
mA
Low-level output current
8
mA
Operating free-air temperature range
0
+70
°
C