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參數資料
| 型號： | 74LCX245WMX |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs |
| 中文描述： | LVC/LCX/Z SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | 0.300 INCH, MS-013, SOIC-20 |
| 文件頁數： | 1/13頁 |
| 文件大小： | 278K |
| 代理商： | 74LCX245WMX |
1/13
September 2004
I
5V TOLERANT INPUTS AND OUTPUTS
HIGH SPEED:
t
PD
= 7.0 ns (MAX.) at V
CC
= 3V
POWER DOWN PROTECTION ON INPUTS
AND OUTPUTS
SYMMETRICAL OUTPUT IMPEDANCE:
|I
OH
| = I
OL
= 24mA (MIN) at V
CC
= 3V
PCI BUS LEVELS GUARANTEED AT 24 mA
BALANCED PROPAGATION DELAYS:
t
PLH
t
PHL
OPERATING VOLTAGE RANGE:
V
CC
(OPR) = 2.0V to 3.6V (1.5V Data
Retention)
PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 245
LATCH-UP PERFORMANCE EXCEEDS
500mA (JESD 17)
ESD PERFORMANCE:
HBM > 2000V (MIL STD 883 method 3015);
MM > 200V
I
I
I
I
I
I
I
I
I
DESCRIPTION
The 74LCX245 is a low voltage CMOS OCTAL
BUS TRANSCEIVER (3-STATE) fabricated with
sub-micron silicon gate and double-layer metal
wiring C
2
MOS technology. It is ideal for low power
and high speed 3.3V applications; it can be
interfaced to 5V signal environment for both inputs
and outputs.
It has same speed performance at 3.3V than 5V
AC/ACT family, combined with a lower power
consumption.
This IC is intended for two way asynchronous
communication between data buses; the direction
of data transmission is determined by DIR input.
The enable input G can be used to disable the
device so that the buses are effectively isolated.
All inputs and outputs are equipped with
protection circuits against static discharge, giving
them 2KV ESD immunity and transient excess
voltage.
All floating bus terminals during High Z state must
be held HIGH or LOW.
74LCX245
LOW VOLTAGE CMOS OCTAL BUS TRANSCEIVER
(3-STATE) WITH 5V TOLERANT INPUTS AND OUTPUTS
Figure 1: Pin Connection And IEC Logic Symbols
Table 1: Order Codes
PACKAGE
T & R
SOP
TSSOP
74LCX245MTR
74LCX245TTR
TSSOP
SOP
Rev. 4
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 74LCX245WMX_NL | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs |
| 74LCX245WMX-CUT TAPE | 制造商:FAIRCHILD 功能描述:74LCX245 Series 3.6 V SMT Low Voltage Bidirectional Transceiver - SOIC-20 |
| 74LCX257 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:LOW VOLTAGE CMOS QUAD 2 CHANNEL MULTIPLEXER WITH 5V TOLERANT INPUTS AND OUTPUTS (3-STATE) |
| 74LCX257M | 功能描述:編碼器、解碼器、復用器和解復用器 Qd 2-Inp Multiplexer RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數: 線路數量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| 74LCX257M | 制造商:Fairchild Semiconductor Corporation 功能描述:IC DECODERS/ENCODERS/MULTIPLEXERS/DEMUL |
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