Datasheet

SN54LVTH18502A, SN54LVTH182502A, SN74LVTH18502A, SN74LVTH182502A
3.3-V ABT SCAN TEST DEVICES
WITH 18-BIT UNIVERSAL BUS TRANSCEIVERS
SCBS668C − JULY 1996 − REVISED JUNE 2004
26
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
recommended operating conditions (see Note 4)
SN54LVTH18502A SN74LVTH18502A
UNIT
MIN MAX MIN MAX
UNIT
V
CC
Supply voltage 2.7 3.6 2.7 3.6 V
V
IH
High-level input voltage 2 2 V
V
IL
Low-level input voltage 0.8 0.8 V
V
I
Input voltage 5.5 5.5 V
I
OH
High-level output current −24 −32 mA
I
OL
Low-level output current 24 32 mA
I
OL
†
Low-level output current 48 64 mA
Δt/Δv Input transition rise or fall rate Outputs enabled 10 10 ns/V
T
A
Operating free-air temperature −55 125 −40 85 °C
†
Current duty cycle ≤ 50%, f ≥ 1 kHz
NOTE 4: All unused CLK, LE, or TCK inputs of the device must be held at V
CC
or GND to ensure proper device operation. Refer to the TI
application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004.