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参数资料
| 型号： | IDT74LVCR245APY |
| 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 TRANSCEIVER, TRUE OUTPUT, PDSO20 |
| 封装： | 0.65 MM PITCH, SSOP-20 |
| 文件页数： | 1/6页 |
| 文件大小： | 106K |
| 代理商： | IDT74LVCR245APY |
1
EXTENDEDCOMMERCIALTEMPERATURERANGE
IDT74LVCR245A
3.3V CMOS OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
AUGUST 1999
1999
Integrated Device Technology, Inc.
DSC-4610/-
c
IDT74LVCR245A
EXTENDED COMMERCIAL TEMPERATURE RANGE
DESCRIPTION:
The LVCR245A octal bus transceiver is built using advanced dual metal
CMOS technology. This device is designed for asynchronous commu-
nication between data buses. The device transmits data from the A bus to
the B bus or from the B bus to the A bus, depending on the logic level at
the direction-control (DIR) input. The output-enable (
OE) input can be used
to disable the device so the buses are effectively isolated.
The LVCR245A has series resistors in the output structure which will
significantly reduce line noise when used with light loads. The driver has
been designed to drive ±12mA at the designated threshold.
Inputs 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 environment.
FEATURES:
–
0.5 MICRON CMOS Technology
–
ESD > 2000V per MIL-STD-883, Method 3015;
> 200V using machine model (C = 200pF, R = 0)
–
1.27mm pitch SOIC, 0.65mm pitch SSOP,
0.635mm pitch QSOP, 0.65mm pitch TSSOP packages
–
Extended commercial range of – 40°C to +85°C
–VCC = 3.3V ±0.3V, Normal Range
–VCC = 2.3V to 3.6V, Extended Range
–
CMOS power levels (0.4 W typ. static)
–
Rail-to-Rail output swing for increased noise margin
–
All inputs, outputs and I/O are 5 Volt tolerant
–
Supports hot insertion
3.3V CMOS
OCTAL BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
AND 5 VOLT TOLERANT I/O
FUNCTIONAL BLOCK DIAGRAM
Drive Features for LVCR245A:
–
Balanced Output Drivers:
±12mA
–
Low Switching Noise
DIR
A1
B1
OE
1
2
19
18
TO SEVE N OTHER CHANN ELS
APPLICATIONS:
5V and 3.3V mixed voltage systems
Data communication and telecommunication systems
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