參數(shù)資料
型號(hào): SN74ALVCH16244DL
廠商: TEXAS INSTRUMENTS INC
元件分類: 總線收發(fā)器
英文描述: ALVC/VCX/A SERIES, QUAD 4-BIT DRIVER, TRUE OUTPUT, PDSO48
封裝: GREEN, PLASTIC, SSOP-48
文件頁數(shù): 12/19頁
文件大?。?/td> 632K
代理商: SN74ALVCH16244DL
www.ti.com
DESCRIPTION/ORDERING INFORMATION (CONTINUED)
GQL OR ZQL PACKAGE
(TOP VIEW)
J
H
G
F
E
D
C
B
A
2
1
3 4
6
5
K
ABC
GRD OR ZRD PACKAGE
(TOP VIEW)
J
H
G
F
E
D
C
B
A
2
1
3
4
6
5
SN74ALVCH16244
16-BIT BUFFER/DRIVER
WITH 3-STATE OUTPUTS
SCES014K – JULY 1995 – REVISED OCTOBER 2005
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.
TERMINAL ASSIGNMENTS(1)
(56-Ball GQL/ZQL Package)
1
2
3
4
5
6
A
1OE
NC
2OE
B
1Y2
1Y1
GND
1A1
1A2
C
1Y4
1Y3
VCC
1A3
1A4
D
2Y2
2Y1
GND
2A1
2A2
E
2Y4
2Y3
2A3
2A4
F
3Y1
3Y2
3A2
3A1
G
3Y3
3Y4
GND
3A4
3A3
H
4Y1
4Y2
VCC
4A2
4A1
J
4Y3
4Y4
GND
4A4
4A3
K
4OE
NC
3OE
ABC
(1)
NC – No internal connection
TERMINAL ASSIGNMENTS(1)
(54-Ball GRD/ZRD Package)
1
2
3
4
5
6
A
1Y1
NC
1OE
2OE
NC
1A1
B
1Y3
1Y2
NC
1A2
1A3
C
2Y1
1Y4
VCC
1A4
2A1
D
2Y3
2Y2
GND
2A2
2A3
E
3Y1
2Y4
GND
2A4
3A1
F
3Y3
3Y2
GND
3A2
3A3
G
4Y1
3Y4
VCC
3A4
4A1
H
4Y3
4Y2
NC
4A2
4A3
J
4Y4
NC
4OE
3OE
NC
4A4
(1)
NC – No internal connection
xxxxx
FUNCTION TABLE
(EACH 4-BIT BUFFER)
INPUTS
OUTPUT
Y
OE
A
L
H
L
H
X
Z
2
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