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参数资料
| 型号： | IDT74LVC16952APA8 |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 总线收发器 |
| 英文描述： | LVC/LCX/Z SERIES, DUAL 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO56 |
| 封装： | 0.50 MM PITCH, TSSOP-56 |
| 文件页数： | 1/6页 |
| 文件大小： | 127K |
| 代理商： | IDT74LVC16952APA8 |
1
EXTENDEDCOMMERCIALTEMPERATURERANGE
IDT74LVC16952A
3.3V CMOS 16-BIT REGISTERED TRANSCEIVER
FUNCTIONAL BLOCK DIAGRAM
OCTOBER 1999
1998
Integrated Device Technology, Inc.
DSC-4492/1
c
IDT74LVC16952A
APPLICATIONS:
5V and 3.3V mixed voltage systems
Data communication and telecommunication systems
EXTENDED COMMERCIAL TEMPERATURE RANGE
FEATURES:
–
Typical tSK(0) (Output Skew) < 250ps
–
ESD > 2000V per MIL-STD-883, Method 3015;
> 200V using machine model (C = 200pF, R = 0)
–
0.635mm pitch SSOP, 0.50mm pitch TSSOP
and 0.40mm pitch TVSOP packages
–
Extended commercial range of -40°C to +85°C
–VCC = 3.3V ±0.3V, Normal Range
–VCC = 2.7V to 3.6V, Extended Range
–
CMOS power levels (0.4 W typ. static)
–
All inputs, outputs and I/O are 5 Volt tolerant
–
Supports hot insertion
DESCRIPTION:
This 16-bit registered transceiver is built using advanced dual metal
CMOS technology. This high-speed, low power device is organized as two
independent 8-bit D-type registered transceivers with separate input and
output control for independent control of data flow in either direction. For
example, the A-to-B Enable (
CEAB) must be LOW to enter data from the A
port. CLKAB controls the clocking function. When CLKAB toggles from LOW-
to-HIGH, the data present on the A port will be clocked into the register.
OEAB performs the output enable function on the B port. Data flow from the
B port to A port is similar but requires using
CEBA,CLKBA,andOEBAinputs.
Full 16-bit operation is achieved by tying the control pins of the independent
transceivers together.
All pins can be driven from either 3.3V or 5V devices. This feature allows
the use of this device as a translator in a mixed 3.3V/5V supply system.
The LVC16952A has been designed with a ±24mA output driver. This
driver is capable of driving a moderate to heavy load while maintaining
speed performance
3.3V CMOS 16-BIT
REGISTERED TRANSCEIVER
WITH 3-STATE OUTPUTS,
5 VOLT TOLERANT I/O
C
CE
D
C
CE
D
1
OEAB
1
CEAB
1
CLKAB
1
OEBA
1
A1
1
B1
TO SEVEN OTHER CHANNELS
1
CEBA
1
CLKBA
C
CE
D
C
CE
D
2
OEAB
2
CEAB
2
CLKAB
2
OEBA
2
A1
2
B1
2
CEBA
2
CLKBA
54
55
1
3
2
56
5
52
31
30
28
26
27
29
15
42
TO SEVEN OTHER CHANNELS
Drive Features for LVC16952A:
–
High Output Drivers: ±24mA
–
Reduced system switching noise
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