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參數(shù)資料
| 型號： | 74ABT2953PWDH |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 通用總線功能 |
| 英文描述： | Octal registered transceiver, inverting 3-State |
| 中文描述： | ABT SERIES, 8-BIT REGISTERED TRANSCEIVER, INVERTED OUTPUT, PDSO24 |
| 封裝： | PLASTIC, TSSOP-24 |
| 文件頁數(shù)： | 2/6頁 |
| 文件大?。?/td> | 73K |
| 代理商： | 74ABT2953PWDH |
Philips Semiconductors
Product specification
74ABT2953
Octal registered transceiver, inverting (3-State)
1995 Sep 06
2
LOGIC SYMBOL
16
17
18
19
20
21
22
23
A0 A1 A2 A3 A4 A5 A6
A7
B0 B1 B2 B3 B4 B5 B6
B7
8
7
6
5
4
3
2
1
15
9
10
14
11
13
CPAB
CPBA
CEAB
CEBA
OEBA
OEAB
SA00306
LOGIC SYMBOL (IEEE/IEC)
C6
1, 4, 5
14
16
8
17
7
18
6
19
5
20
4
21
3
22
2
23
1
2, 3, 6
C5
10
EN4
9
EN3
15
EN2
13
EN1
11
SA00307
FUNCTION TABLE for Register An or Bn
INPUTS
INTERNAL
OPERATING
An or
Bn
CPXX
CEXX
Q
MODE
X
X
H
NC
Hold data
L
H
↑
↑
L
L
L
H
Load data
H =High voltage level
L
=Low voltage level
↑
=Low-to-High transition
X =Don’t care
XX=AB or BA
NC=No change
FUNCTION TABLE for Output Enable
INPUTS
INTERNAL
An or Bn
OPERATING
OEXX
Q
OUTPUTS
MODE
H
X
Z
Disable outputs
L
L
L
H
H
L
Enable outputs
H =High voltage level
L
=Low voltage level
X =Don’t care
XX=AB or BA
Z =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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