Datasheet

SN54HCT623, SN74HCT623
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCLS016C – MARCH 1984 – REVISED MARCH 2003
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range, C
L
= 150 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM TO
V
CC
T
A
= 25°C SN54HCT623 SN74HCT623
UNIT
PARAMETER
(INPUT) (OUTPUT)
V
CC
MIN TYP MAX MIN MAX MIN MAX
UNIT
t
d
AorB
BorA
4.5 V 18 38 58 47
ns
t
pd
A
or
B
B
or
A
5.5 V 11 34 52 42
ns
OEBA
A
4.5 V 36 59 89 74
t
OEBA
A
5.5 V 30 53 80 67
ns
t
en
OEAB
B
4.5 V 36 59 89 74
ns
OEAB
B
5.5 V 30 53 80 67
t
t
AorB
4.5 V 17 42 63 53
ns
t
t
A
or
B
5.5 V 14 38 57 48
ns
operating characteristics, T
A
= 25°C
PARAMETER TEST CONDITIONS TYP UNIT
C
pd
Power dissipation capacitance per transceiver No load 40 pF
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.