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参数资料
| 型号： | IDT74LVC2952ASO8 |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 总线收发器 |
| 英文描述： | LVC/LCX/Z SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24 |
| 封装： | SOIC-24 |
| 文件页数： | 2/6页 |
| 文件大小： | 73K |
| 代理商： | IDT74LVC2952ASO8 |
2
EXTENDEDCOMMERCIALTEMPERATURERANGE
IDT74LVC2952A
3.3V CMOS OCTAL BUS TRANSCEIVER AND REGISTER
SOIC/ SSOP/ QSOP/ TSSOP
TOP VIEW
PIN CONFIGURATION
2
3
1VCC
20
19
18
A4
A5
A3
A7
A6
15
A1
16
9
10
A2
23
22
24
21
17
5
6
B2
7
B4
B3
4
B6
B5
SO24-2
SO24-7
SO24-8
SO24-9
8
B1
13
CLKBA
14
11
12
CLKENAB
GND
CLKENBA
B7
B8
A8
OEAB
CLKAB
OEBA
FUNCTION TABLE (1, 2)
Inputs
Outputs
CLKENAB
CLKAB
OEAB
Ax
Bx
HX
L
X
B0(3)
XH or L
L
X
B0(3)
L
↑
LL
L
↑
LH
H
XX
H
X
Z
NOTES:
1. H = HIGH Voltage Level
L = LOW Voltage Level
X = Don’t Care
Z = High-Impedance
↑ = LOW-to-HIGH Transition
2. A-to-B data flow is shown; B-to-A flow control is similar but uses
CLKENBA, CLKBA, and OEBA.
3. B
0 = Level of B before the indicated steady-state input conditions
were established.
PIN DESCRIPTION
Pin Names
Description
OEAB
A-to-B Output Enable Input (Active LOW)
OEBA
B-to-A Output Enable Input (Active LOW)
CLKENAB
A-to-B Clock Enable Input (Active LOW)
CLKENBA
B-to-A Clock Enable Input (Active LOW)
CLKAB
A-to-B Clock Input
CLKBA
B-to-A Clock Input
Ax
A-to-B Data Inputs or B-to-A 3-State Outputs
BX
B-to-A Data Inputs or A-to-B 3-State Outputs
ABSOLUTE MAXIMUM RATINGS (1)
Symbol
Description
Max.
Unit
VTERM
Terminal Voltage with Respect to GND
– 0.5 to +6.5
V
TSTG
Storage Temperature
– 65 to +150
°C
IOUT
DC Output Current
– 50 to +50
mA
IIK
IOK
Continuous Clamp Current,
VI < 0 or VO < 0
– 50
mA
ICC
ISS
Continuous Current through
each VCC or GND
±100
mA
8LVC
NOTE:
1. Stresses greater than those listed under ABSOLUTE MAXIMUM
RATINGS may cause permanent damage to the device.
This is a
stress rating only and functional operation of the device at these or
any other conditions above those indicated in the operational sections
of this specification is not implied.
Exposure to absolute maximum
rating conditions for extended periods may affect reliability.
CAPACITANCE (TA = +25°C, f = 1.0MHZ)
Symbol
Parameter(1)
Conditions
Typ.
Max.
Unit
CIN
Input Capacitance
VIN = 0V
4.5
6
pF
COUT
Output
Capacitance
VOUT = 0V
5.5
8
pF
CI/O
I/O Port
Capacitance
VIN = 0V
6.5
8
pF
8LVC Link
NOTE:
1. As applicable to the device type.
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