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SN64BCT125A Datasheet, PDF (1/5 Pages) Texas Instruments – QUADRUPLE BUS BUFFER GATE WITH 3-STATE OUTPUTS
• State-of-the-Art BiCMOS Design
Significantly Reduces ICCZ
• High-Impedance State During Power-Up
and Power-Down
• 3-State Outputs Drive Bus Lines or
Buffer-Memory Address Registers
• ESD Protection Exceeds 2000 V
Per MIL-STD-883C Method 3015
• Package Options Include Plastic
Small-Outline (D) Packages and Standard
Plastic 300-mil DIPs (N)
SN64BCT125A
QUADRUPLE BUS BUFFER GATE
WITH 3-STATE OUTPUTS
SCBS052B – JULY 1990 – REVISED MAY 1994
D OR N PACKAGE
(TOP VIEW)
1OE 1
1A 2
1Y 3
2OE 4
2A 5
2Y 6
GND 7
14 VCC
13 4OE
12 4A
11 4Y
10 3OE
9 3A
8 3Y
description
The SN64BCT125A bus buffer features independent line drivers with 3-state outputs. Each output is disabled
when the associated output-enable (OE) input is high.
The SN64BCT125A is characterized for operation from – 40°C to 85°C and 0°C to 70°C.
FUNCTION TABLE
(each buffer)
INPUTS
OE
A
OUTPUT
Y
L
H
H
L
L
L
H
X
Z
logic symbol†
1
1OE
2
1A
4
2OE
5
2A
10
3OE
9
3A
13
4OE 12
4A
EN 1
3
1Y
6
2Y
8
3Y
11
4Y
† This symbol is in accordance with ANSI/IEEE Std 91-1984
and IEC Publication 617-12.
logic diagram (positive logic)
1
1OE
2
1A
4
2OE
5
2A
10
3OE
9
3A
3
1Y
6
2Y
8
3Y
13
4OE
12
4A
11
4Y
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
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Copyright © 1994, Texas Instruments Incorporated
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