Philips Semiconductors
Octal D-type flip-flop with 3-state outputs
Product specification
HEF40374B
MSI
RATINGS
Limiting values in accordance with the Absolute Maximum System (IEC 134)
See Family Specifications, except for:
D.C. current into any input
± II
D.C. source or sink current into any output
± IO
D.C. current into the supply terminals
±I
max.
max.
max.
10 mA
25 mA
100 mA
DC CHARACTERISTICS
VSS = 0 V
VDD
V
Output current
5
HIGH
10
15
Output current
5
HIGH
10
15
Output current
5
LOW
10
15
Hysteresis
5
voltage at
10
clock input (CP)
15
VOH
V
4,6
9,5
13,5
3,6
8,4
13,2
VOL
V
SYMBOL
−40
Tamb (°C)
+ 25
+ 85
MIN. TYP. MIN. TYP. MIN. TYP.
0,75
0,6 1,2 0,45
mA
−IOH
1,85
1,5 3,0 1,1
mA
14,5
15
50 15,5
mA
9,3
10
24 10,7
mA
−IOH
14,4
15
46 15,0
mA
19,5
20
62 19,8
mA
0,4
2,9
2,3 5,4 1,75
mA
0,5
IOL
9,5
1,5
30,0
7,6 17 5,50
mA
25
45 19,0
mA
220
mV
VH
250
mV
320
mV
Fig.4 Typical output source current characteristic.
(1) P-channel MOS transistor conducting.
(2) P-channel MOS transistor and bipolar
n-p-n transistor conducting.
Fig.5 Schematic diagram of output stage.
January 1995
5