參數(shù)資料
型號(hào): SN74ABT126DB
廠商: Texas Instruments, Inc.
英文描述: QUADRUPLE BUS BUFFER GATES WITH 3-STATE OUTPUTS
中文描述: 翻兩番總線緩沖器門(mén),三態(tài)輸出
文件頁(yè)數(shù): 2/14頁(yè)
文件大?。?/td> 454K
代理商: SN74ABT126DB
SN54ABT126, SN74ABT126
QUADRUPLE BUS BUFFER GATES
WITH 3-STATE OUTPUTS
SCBS183H
FEBRUARY 1991
REVISED MAY 2003
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
FUNCTION TABLE
(each buffer)
INPUTS
OE
OUTPUT
Y
A
H
H
H
H
L
L
L
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, and RGY packages.
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, V
CC
Input voltage range, V
I
(see Note 1)
Voltage range applied to any output in the high or power-off state, V
O
Current into any output in the low state, I
O
: SN54ABT126
0.5 V to 7 V
0.5 V to 7 V
0.5 V to 5.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . .
96 mA
128 mA
18 mA
50 mA
86
°
C/W
96
°
C/W
80
°
C/W
76
°
C/W
113
°
C/W
47
°
C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SN74ABT126
Input clamp current, I
IK
(V
I
< 0)
Output clamp current, I
OK
(V
O
< 0)
Package thermal impedance,
θ
JA
(see Note 2): D package
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(see Note 2): DB package
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(see Note 2): N package
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(see Note 2): NS package
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(see Note 2): PW package
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(see Note 3): RGY package
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, T
stg
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.
65
°
C to 150
°
C
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