參數(shù)資料
型號(hào)： SN74ALVCH16244GRDR
廠商： Texas Instruments, Inc.
英文描述： 16-BIT BUFFER/DRIVER WITH 3-STATE OUTPUTS
中文描述： 16位緩沖/驅(qū)動(dòng)器，三態(tài)輸出
文件頁(yè)數(shù)： 2/17頁(yè)
文件大?。?/td> 513K
代理商： SN74ALVCH16244GRDR
www.ti.com
DESCRIPTION/ORDERING INFORMATION (CONTINUED)
Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors
with the bus-hold circuitry is not recommended.
GQL OR ZQL PACKAGE
(TOP VIEW)
J
K
H
G
F
E
D
C
B
A
2
1
3 4
6
5
ABC
GRD OR ZRD PACKAGE
(TOP VIEW)
2
1
3
J
H
G
F
E
D
C
B
A
4
6
5
SN74ALVCH16244
16-BIT BUFFER/DRIVER
WITH 3-STATE OUTPUTS
SCES014K–JULY 1995–REVISED OCTOBER 2005
TERMINAL ASSIGNMENTS
(1)
(56-Ball GQL/ZQL Package)
1
2
3
4
5
6
A
B
C
D
E
F
G
H
J
K
1OE
1Y2
1Y4
2Y2
2Y4
3Y1
3Y3
4Y1
4Y3
4OE
NC
1Y1
1Y3
2Y1
2Y3
3Y2
3Y4
4Y2
4Y4
NC
NC
GND
V
CC
GND
NC
GND
V
CC
GND
NC
1A1
1A3
2A1
2A3
3A2
3A4
4A2
4A4
NC
2OE
1A2
1A4
2A2
2A4
3A1
3A3
4A1
4A3
3OE
GND
V
CC
GND
NC
GND
V
CC
GND
NC
ABC
(1)
NC – No internal connection
TERMINAL ASSIGNMENTS
(1)
(54-Ball GRD/ZRD Package)
1
2
3
4
5
6
A
B
C
D
E
F
G
H
J
1Y1
1Y3
2Y1
2Y3
3Y1
3Y3
4Y1
4Y3
4Y4
NC
1Y2
1Y4
2Y2
2Y4
3Y2
3Y4
4Y2
NC
1OE
NC
V
CC
GND
GND
GND
V
CC
NC
4OE
2OE
NC
V
CC
GND
GND
GND
V
CC
NC
3OE
NC
1A2
1A4
2A2
2A4
3A2
3A4
4A2
NC
1A1
1A3
2A1
2A3
3A1
3A3
4A1
4A3
4A4
(1)
NC – No internal connection
xxxxx
FUNCTION TABLE
(EACH 4-BIT BUFFER)
INPUTS
OUTPUT
Y
OE
L
L
H
A
H
L
X
H
L
Z
2
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