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IZ74LV244 Datasheet

  • IZ74LV244

  • OCTAL BUFFER/LINE DRIVER 3-STATE

  • 4頁

  • INTEGRAL

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IN74LV244
O
CTAL
B
UFFER
/L
INE
D
RIVER
3-S
TATE
The IN74LV244 is a low-voltage Si-gate CMOS device and is pin and function compatible with
IN74HC/HCT244.
The IN74LV244 is an octal non-inverting buffer/line
N SUFFIX
driver with 3-state outputs. The 3-state outputs are controlled
PLASTIC DIP
by the output enable inputs
1
OE
and
2
OE
. A HIGH on
nOE
causes the outputs to assume a high impedance OFF-state.
The IN74LV244 is identical to the IN74LV240 but has non-
20
1
inverting outputs.
DW SUFFIX
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Outputs Directly Interface to CMOS, NMOS, and TTL
Operating Voltage Range: 1.2 to 3.6 V
Low Input Current: 1.0
碌A(chǔ),
0.1
碌袗
at
孝
= 25
擄小
Output Current: 8 mA at V
CC
= 3.0 V
High Noise Immunity Characteristic of CMOS Devices
20
1
SO
ORDERING INFORMATION
IN74LV244N
Plastic DIP
IN74LV244DW
SOIC
IZ74LV244
chip
T
A
= -40擄 to 125擄 C for all
packages
LOGIC DIAGRAM
1A 0
1A 1
1A 2
1A 3
2
4
6
8
11
13
15
18
16
14
12
9
7
5
3
1Y 0
1Y 1
1Y2
1Y3
2Y0
2Y1
2Y 0
2Y 1
PIN ASSIGNMENT
1OE
1A
0
2Y
3
NONINVERTING
OUTPUTS
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
V
CC
2OE
1Y
0
2A
3
1Y
1
2A
2
1Y
2
2A
1
1Y
3
2A
0
DATA
INPUTS
1A
1
2Y
2
1A
2
2Y
1
1A
3
2Y
0
GND
2A 0
2A 1
2A 0
2A 1
17
OUTPUT
ENABLES
1OE
2OE
1
19
PIN 20=V
CC
PIN 10 = GND
FUNCTION TABLE
OUTPUT
Input
nOE
nAn
nYn
L
L
L
L
H
H
H
X
Z
H= high level
L = low level
X = don鈥檛 care
Z = high impedance
1

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