Datasheet

SN54ABT125, SN74ABT125
QUADRUPLE BUS BUFFER GATES
WITH 3-STATE OUTPUTS
SCBS182I − FEBRUARY 1997 − REVISED NOVEMBER 2002
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
FUNCTION TABLE
(each buffer)
INPUTS
OUTPUT
OE A
OUTPUT
Y
L H H
L LL
H X Z
logic diagram (positive logic)
1
1OE
2
1A 1Y
3
4
2OE
5
2A 2Y
6
10
3OE
9
3A 3Y
8
13
4OE
12
4A 4Y
11
Pin numbers shown are for the D, DB, J, N, NS, PW, RGY, and W packages.
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
†
Supply voltage range, V
CC
−0.5 V to 7 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range, V
I
(see Note 1) −0.5 V to 7 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage range applied to any output in the high or power-off state, V
O
−0.5 V to 5.5 V. . . . . . . . . . . . . . . . . . . .
Current into any output in the low state, I
O
: SN54ABT125 96 mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SN74ABT125 128 mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input clamp current, I
IK
(V
I
< 0) −18 mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output clamp current, I
OK
(V
O
< 0) −50 mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Package thermal impedance, θ
JA
(see Note 2): D package 86°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(see Note 2): DB package 96°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(see Note 2): N package 80°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(see Note 2): NS package 76°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(see Note 2): PW package 113°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(see Note 3): RGY package 47°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, T
stg
−65°C to 150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
†
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES: 1. The input and output negative-voltage ratings may be exceeded if the input and output clamp-current ratings are observed.
2. The package thermal impedance is calculated in accordance with JESD 51-7.
3. The package thermal impedance is calculated in accordance with JESD 51-5.