74hct4510 NXP Semiconductors, 74hct4510 Datasheet - Page 8

• Manufacturer Part Number: 74hct4510
• Description: Bcd Up/down Counter
• Manufacturer: NXP Semiconductors

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