HEF4753 View Datasheet(PDF) - Philips Electronics
Part Name
Description
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HEF4753 Datasheet PDF : 10 Pages
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Philips Semiconductors
Universal timer module
Product specification
HEF4753B
LSI
DC CHARACTERISTICS
VSS = 0 V
Output (sink)
current LOW
(pin 10)
Output (source)
current HIGH
(pin 10)
VDD VOH VOL
V VV
SYMBOL
4,75
0,4
10
0,5 IOL
15
1,5
5 4,6
10 9,5
15 13,5
−IOH
Tamb (°C)
−40
+ 25
+ 85
MIN. MAX. MIN. MAX. MIN. MAX.
2,7 −
9,5 −
24,0 −
0,6 −
1,8 −
6,0 −
2,3 −
8,0 −
20,0 −
0,5 −
1,5 −
5,0 −
1,8 − mA
6,3 − mA
16,0 − mA
0,4 − mA
1,2 − mA
4,0 − mA
AC CHARACTERISTICS
VSS = 0 V; Tamb = 25 °C; CL = 50 pF; input transition times ≤ 20 ns
VDD
V
SYMBOL MIN. TYP. MAX.
Propagation delays
CP → OUT
HIGH to LOW
LOW to HIGH
Output transition
times
HIGH to LOW
LOW to HIGH
Input rise and
fall times
pins 13, 14, 17
Maximum clock
pulse frequency
pins 17; δ = 50%
5
10 tPHL
15
5
10 tPLH
15
5
10 tTHL
15
5
10 tTLH
15
5
10 tr, tf
15
5
10 fmax
15
420 850
180 360
120 250
450 900
200 400
140 280
30 60
15 30
10 20
60 120
30 60
20 40
no limit
3
6
7
14
8
17
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
MHz
MHz
TYPICAL EXTRAPOLATION
FORMULA
January 1995
9
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