HEF4737 데이터 시트보기 (PDF) - Philips Electronics
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HEF4737 Datasheet PDF : 9 Pages
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Philips Semiconductors
Quadruple static decade counters
Product specification
HEF4737B
HEF4737V
The values given at VDD = 15 V in the following d.c. and a.c. characteristics, are not applicable to the HEF4737V,
because of its reduced supply voltage range.
DC CHARACTERISTICS
VSS = 0 V
VDD
V
VOH
V
VOL
V
SYMBOL
−40
Tamb (°C)
+ 25
+ 85
MIN. MAX. MIN. MAX. MIN. MAX.
Input leakage
current at
10
VI = 0 or VDD
Output (sink)
15
4,75
current LOW
10
15
Output (source)
5
current HIGH
10
15
Output (source)
current HIGH
5
3-state output
leakage current 10
VO = 0 or VDD
15
± IIN
0,4
0,5 IOL
1,5
4,6
9,5
13,5
−IOH
2,5
−IOH
± IOZ
−
−
−
0,3
−
1
µA
−
−
−
0,3
−
1
µA
1,6
−
1,6
−
1,4
−
mA
2,5
−
2,3
−
1,7
−
mA
7,0
−
6,0
−
4,0
−
mA
0,96 −
0,80
− 0,65 −
mA
2,4
−
2,0
−
1,6
−
mA
7,0
−
6,0
−
4,5
−
mA
3,0
−
2,5
−
2,0
−
mA
−
1,6
−
1,6
−
12
µA
−
1,6
−
1,6
−
12
µA
AC CHARACTERISTICS
VSS = 0 V; Tamb = 25 °C; CL = 15 pF; input transition times ≤ 20 ns
VDD
V
SYMBOL MIN. TYP. MAX.
Propagation delays
CP → On
(D1 selected)
HIGH to LOW
LOW to HIGH
CP → On
(D5 selected)
HIGH to LOW
LOW to HIGH
5
10
tPHL
15
5
10
tPLH
15
5
10
tPHL
15
5
10
tPLH
15
320 640 ns
120 240 ns
90 180 ns
320 640 ns
120 240 ns
90 180 ns
620 1240 ns
330 660 ns
250 500 ns
620 1240 ns
330 660 ns
250 500 ns
TYPICAL EXTRAPOLATION
FORMULA
308 ns + (0,24 ns/pF) CL
125 ns + (0,10 ns/pF) CL
86 ns + (0,07 ns/pF) CL
296 ns + (0,48 ns/pF) CL
110 ns + (0,20 ns/pF) CL
82 ns + (0,15 ns/pF) CL
608 ns + (0,24 ns/pF) CL
325 ns + (0,10 ns/pF) CL
246 ns + (0,07 ns/pF) CL
596 ns + (0,48 ns/pF) CL
320 ns + (0,20 ns/pF) CL
242 ns + (0,15 ns/pF) CL
January 1995
6
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