74HCT646D NXP Semiconductors, 74HCT646D Datasheet - Page 8

• Manufacturer Part Number: 74HCT646D
• Description: Bus Transceivers OCTAL TRANSCEIVER/ REGISTER 3-S
• Manufacturer: NXP Semiconductors

Specifications of 74HCT646D

• Logic Type: CMOS
• Logic Family: HCT
• Number Of Channels Per Chip: 8
• Input Level: TTL
• Output Level: CMOS
• Output Type: 3-State
• High Level Output Current: - 6 mA
• Low Level Output Current: 6 mA
• Propagation Delay Time: 44 ns
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Temperature: + 125 C
• Package / Case: SO-24
• Function: Bus Transceiver / Register
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Number Of Circuits: 1
• Polarity: Non-Inverting
• Lead Free Status / Rohs Status: Details
• Other names: 74HCT646D,652

Philips Semiconductors
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
September 1993
t
t
t
t
t
t
t
t
t
t
t
f
SYMBOL
PHL
PHL
PHL
PZH
PHZ
PZH
PHZ
THL
W
su
h
max
Octal bus transceiver/register; 3-state
/ t
/ t
/ t
/ t
/ t
/ t
/ t
/ t
TLH
PLH
PLH
PLH
PZL
PLZ
PZL
PLZ
propagation delay
propagation delay
propagation delay
3-state output enable time
3-state output disable time
3-state output enable time
3-state output disable time
output transition time
clock pulse width
set-up time
hold time
maximum clock pulse
r
A
CP
S
OE to A
OE to A
DIR to A
DIR to A
HIGH or LOW
CP
A
A
frequency
= t
n
AB
n
n
,B
,B
,B
f
AB
AB
,S
= 6 ns; C
n
n
n
PARAMETER
,CP
BA
or CP
to CP
to B
to CP
n
n
n
n
to B
,B
,B
BA
,B
,B
n
n
n
,A
n
n
AB
BA
AB
to B
n
L
n
,A
,CP
,CP
= 50 pF
n
n
,A
BA
BA
n
16
12
5
30
min. typ. max. min. max. min. max.
16
23
26
21
20
21
21
5
8
3
1
77
+25
30
44
46
40
35
40
35
12
8
T
74HCT
amb
20
15
5
24
40 to +85
( C)
38
55
58
50
44
50
44
15
24
18
5
20
40 to +125
45
66
69
60
53
60
53
18
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
UNIT
74HC/HCT646
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
TEST CONDITIONS
V
(V)
Product specification
CC
Fig.6
Fig.7
Fig.8
Fig.9
Fig.9
Fig.10
Fig.10
Fig.6 and Fig.8
Fig.7
Fig.7
Fig.7
Fig.7
WAVEFORMS