Datasheet

SN54HCT245, SN74HCT245
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCLS020E – MARCH 1984 – REVISED AUGUST 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 SN54HCT245 SN74HCT245
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
MIN TYP MAX MIN MAX MIN MAX
UNIT
t
pd
A or B
B or A
4.5 V 20 30 45 38
ns
t
pd
A or B
B or A
5.5 V 18 27 41 34
ns
t
en
OE
A or B
4.5 V 36 59 89 74
ns
t
en
OE
A or B
5.5 V 30 53 80 67
ns
t
t
A or B
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