74hct652 NXP Semiconductors, 74hct652 Datasheet - Page 7

• Manufacturer Part Number: 74hct652
• Description: Octal Bus Transceiver/register; 3-state
• Manufacturer: NXP Semiconductors

Philips Semiconductors
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see
Output capability: bus driver
I
Note to the HCT types
The value of additional quiescent supply current ( I
To determine I
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
September 1993
CC
S
A
CP
OE
OE
INPUT
t
t
t
t
t
t
t
t
t
f
PHL
PHL
PHL
PZH
PHZ
THL
W
su
h
max
AB
0
Octal bus transceiver/register; 3-state
category: MSI.
to A
AB
AB
BA
, S
/t
/t
/t
/t
/t
/t
PLH
PLH
PLH
TLH
PZL
PLZ
, CP
BA
7
INPUT
and B
BA
PARAMETER
propagation delay
A
propagation delay
CP
propagation delay
S
3-state output enable
time
OE
3-state output disable
time
OE
output transition time
clock pulse width
HIGH or LOW
CP
set-up time
A
hold time
A
maximum clock pulse
frequency
r
= t
n
AB
n
n
, B
, B
, B
0
AB
AB
AB
AB
CC
, S
f
to B
= 6 ns; C
n
n
n
, CP
, OE
, OE
or CP
per input, multiply this value by the unit load coefficient shown in the table below
BA
to B
to CP
to CP
7
to B
BA
BA
BA
n
BA
, A
to B
AB
AB
to A
to A
n
0.75
0.75
1.50
1.50
1.50
, A
L
n
, CP
, CP
UNIT LOAD COEFFICIENT
= 50 pF.
n
n
n
n
, A
, B
, B
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
BA
BA
n
n
n
MIN. TYP. MAX. MIN. MAX. MIN. MAX.
16
10
5
30
16
23
27
18
16
5
6
5
83
2
25
CC
27
39
46
33
35
12
) for unit a load of 1 is given in the family specifications.
7
T
amb
20
13
6
24
40 to 85
( C)
34
49
55
41
44
15
24
15
8
20
40 to 125
41
59
66
50
53
18
.
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz 4.5
74HC/HCT652
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
V
TEST CONDITIONS
(V)
Product specification
CC
Fig.6
Fig.7
Fig.8
Fig.9
Fig.9
Fig.6, 8
Fig.7
Fig.7
Fig.7
Fig.7
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