參數(shù)資料
型號: 74ABT244PWDH
廠商: NXP SEMICONDUCTORS
元件分類: 通用總線功能
英文描述: Octal buffer/line driver 3-State
中文描述: ABT SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20
文件頁數(shù): 3/10頁
文件大?。?/td> 101K
代理商: 74ABT244PWDH
Philips Semiconductors
Product specification
74ABT244
Octal buffer/line driver (3-State)
1998 Jan 16
3
LOGIC SYMBOL
1OE
1
1A0
2
1A1
4
1A2
6
1A3
8
2OE
19
2A3
11
2A2
18
13
2A1
15
16
2A0
17
14
12
1Y0
1Y1
1Y2
1Y3
2Y3
2Y2
2Y1
2Y0
9
7
5
3
SA00149
LOGIC SYMBOL (IEEE/IEC)
1
2
18
4
16
6
14
8
12
19
11
9
13
7
15
5
17
3
EN
EN
SA00150
FUNCTION TABLE
INPUTS
OUTPUTS
1OE
1An
2OE
2An
1Yn
2Yn
L
L
L
L
L
L
L
H
L
H
H
H
H
X
H
X
Z
Z
H =
L
X =
Z =
High voltage level
Low voltage level
Don’t care
High impedance “off” state
=
ABSOLUTE MAXIMUM RATINGS
1, 2
SYMBOL
PARAMETER
CONDITIONS
RATING
UNIT
V
CC
DC supply voltage
–0.5 to +7.0
V
I
IK
DC input diode current
V
I
< 0
–18
mA
V
I
DC input voltage
3
–1.2 to +7.0
V
I
OK
DC output diode current
V
O
< 0
–50
mA
V
OUT
DC output voltage
3
output in Off or High state
–0.5 to +5.5
V
I
OUT
DC output current
output in Low state
128
mA
T
stg
Storage temperature range
–65 to 150
°
C
NOTES:
1. Stresses beyond those listed 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.
2. The performance capability of a high-performance integrated circuit in conjunction with its thermal environment can create junction
temperatures which are detrimental to reliability. The maximum junction temperature of this integrated circuit should not exceed 150
°
C.
3. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
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