Datasheet

SN74AHCT245
SN54AHCT245
SCLS233O –OCTOBER 1995–REVISED AUGUST 2013 www.ti.com
SWITCHING CHARACTERISTICS (continued)
over recommended operating free-air temperature range, V
CC
= 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
Recommended
SN54AHCT245 SN74AHCT245
T
A
= 25°C SN74AHCT245
FROM TO LOAD
–55°C TO 125°C –40°C TO 85°C
PARAMETER UNIT
–40°C TO 125°C
(INPUT) (OUTPUT) CAPACITANCE
TYP MAX MIN MAX MIN MAX MIN MAX
t
PHZ
10 15.4 1 17.5 1 16.5 1 17.5
OE A or B C
L
= 50 pF ns
t
PLZ
10 15.4 1 17.5 1 16.5 1 17.5
t
sk(o)
C
L
= 50 pF 1
(2)
1 ns
(2) On products compliant to MIL-PRF-38535, this parameter does not apply.
NOISE CHARACTERISTICS
V
CC
= 5 V, C
L
= 50 pF, T
A
= 25°C
(1)
SN74AHCT245 UNIT
PARAMETER
MIN TYP MAX
V
OH(V)
Quiet output, minimum dynamic V
OH
4 V
V
IH(D)
High-level dynamic input voltage 2 V
V
IL(D)
Low-level dynamic input voltage 0.8 V
(1) Characteristics are for surface-mount packages only.
OPERATING CHARACTERISTICS
V
CC
= 5 V, T
A
= 25°C
PARAMETER TEST CONDITIONS TYP UNIT
C
pd
Power dissipation capacitance No load, f = 1 MHz 13 pF
4 Submit Documentation Feedback Copyright © 1995–2013, Texas Instruments Incorporated
Product Folder Links: SN74AHCT245 SN54AHCT245