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74HC/HCT4510 View Datasheet(PDF) - Philips Electronics

Part NameDescriptionManufacturer
74HC/HCT4510 BCD up/down counter Philips
Philips Electronics Philips
74HC/HCT4510 Datasheet PDF : 12 Pages
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Philips Semiconductors
BCD up/down counter
Product specification
74HC/HCT4510
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: standard
ICC category: MSI
Note to HCT types
The value of additional quiescent supply current (ICC) for a unit load of 1 is given in the family specifications.
To determine ICC per input, multiply this value by the unit load coefficient shown in the table below
INPUT
UNIT LOAD COEFFICIENT
Dn
0.75
PL, CE
1.00
UP/DN
1.00
CP
1.25
MR
1.50
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
Tamb (°C)
TEST CONDITIONS
SYMBOL PARAMETER
74HCT
+25
40 to +85
40 to +125
UNIT VCC WAVEFORMS
(V)
min. typ. max. min. max. min. max.
tPHL/ tPLH
tPHL
tPLH/ tPHL
tPHL/ tPLH
propagation delay
CP to Qn
propagation delay
MR to Qn
propagation delay
PL to Qn
propagation delay
CP to TC
27 50
63
25 42
53
28 53
66
29 58
73
75 ns
63 ns
80 ns
87 ns
4.5 Fig.7
4.5 Fig.10
4.5 Fig.9
4.5 Fig.7
tPHL/ tPLH propagation delay
CE to TC
17 31
39
47 ns
4.5 Fig.8
tPLH
propagation delay
MR to TC
31 50
63
75 ns
4.5 Fig.10
tPHL/ tPLH propagation delay
PL to TC
35 68
85
102 ns
4.5 Fig.10
tTHL/ tTLH output transition time
7 15
19
22 ns
tW
pulse width CP, CE 16 9
20
24
ns
HIGH or LOW
tW
parallel load pulse 16 6
20
24
ns
width
HIGH
4.5 Fig.9
4.5 Fig.7
4.5 Fig.10
tW
master reset pulse 20 4
width
HIGH
25
30
ns
4.5 Fig.10
December 1990
8
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