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參數(shù)資料
| 型號(hào)： | 7LVT2245PWDH |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 3.3V Octal transceiver with 30ohm termination resistors 3-State |
| 中文描述： | 3.3八路收發(fā)器與30ohm端接電阻器三態(tài) |
| 文件頁數(shù)： | 3/10頁 |
| 文件大小： | 93K |
| 代理商： | 7LVT2245PWDH |
Philips Semiconductors
Product specification
74LVT2245
3.3V Octal transceiver with 30
termination resistors (3-State)
1998 Feb 19
3
LOGIC SYMBOL (IEEE/IEC)
2
3
4
5
6
7
8
9
G3
3 EN1 (BA)
3 EN2 (AB)
1
2
18
17
16
15
14
13
12
11
19
1
SV00015
PIN DESCRIPTION
PIN NUMBER
SYMBOL
NAME AND FUNCTION
1
DIR
Direction control input
2, 3, 4, 5,
6, 7, 8, 9
A0 – A7
Data inputs/outputs (A side)
18, 17, 16, 15,
14, 13, 12, 11
B0 – B7
Data inputs/outputs (B side)
19
OE
Output enable input (active–Low)
10
GND
Ground (0V)
20
V
CC
Positive supply voltage
FUNCTION TABLE
INPUTS
INPUTS/OUTPUTS
An
An= Bn
Inputs
Z
OEn
L
L
H
DIR
L
H
X
Bn
Inputs
Bn =An
Z
H = High voltage level
L = Low voltage level
X = Don’t care
Z = High impedance “Off” state
SCHEMATIC OF EACH OUTPUT
V
CC
V
CC
25
25
SV00102
ABSOLUTE MAXIMUM RATINGS
1,2
SYMBOL
PARAMETER
CONDITIONS
RATING
UNIT
V
CC
DC supply voltage
–0.5 to +4.6
V
I
IK
DC input diode current
V
I
< 0
–50
mA
V
I
DC input voltage
3
–0.5 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 +7.0
V
I
OUT
DC output current
Output in Low state
128
mA
Output in High state
–64
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 negative voltage ratings may be exceeded if the input and output clamp current ratings are observed.
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