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74VCX245MTCX Datasheet

  • 74VCX245MTCX

  • Single 8-bit Bus Transceiver

  • 9頁

  • ETC

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74VCX245 Low Voltage Bidirectional Transceiver with 3.6V Tolerant Inputs and Outputs
June 1999
Revised November 2001
74VCX245
Low Voltage Bidirectional Transceiver
with 3.6V Tolerant Inputs and Outputs
General Description
The VCX245 contains eight non-inverting bidirectional buff-
ers with 3-STATE outputs and is intended for bus oriented
applications. The T/R input determines the direction of data
flow. The OE input disables both the A and B ports by plac-
ing them in a high impedance state.
The 74VCX245 is designed for low voltage (1.4V to 3.6V)
V
CC
applications with I/O compatibility up to 3.6V.
The 74VCX245 is fabricated with an advanced CMOS
technology to achieve high-speed operation while main-
taining low CMOS power dissipation.
Features
s
1.4V to 3.6V V
CC
supply operation
s
3.6V tolerant inputs and outputs
s
Power-off high impedance inputs and outputs
s
Supports Live Insertion and Withdrawal (Note 1)
s
t
PD
3.5 ns max for 3.0V to 3.6V V
CC
s
Static Drive (I
OH
/I
OL
)
鹵
24 mA @ 3.0V V
CC
s
Uses patented noise/EMI reduction
circuitry
s
Latchup performance exceeds 300 mA
s
ESD performance:
Human body model
>
2000V
Machine model
>
200V
Note 1:
To ensure the high impedance state during power up and power
down, OE
n
should be tied to V
CC
through a pull up resistor. The minimum
value of the resistor is determined by the current sourcing capability of the
driver.
Ordering Code:
Order Number
74VCX245WM
74VCX245MTC
Package Number
M20B
MTC20
Package Description
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter 鈥淴鈥?to the ordering code.
Logic Symbol
Pin Descriptions
Pin Names
OE
T/R
A
0
鈥揂
7
B
0
鈥揃
7
Description
Output Enable Input (Active LOW)
Transmit/Receive Input
Side A Inputs or 3-STATE Outputs
Side B Inputs or 3-STATE Outputs
漏 2001 Fairchild Semiconductor Corporation
ds500167
www.fairchildsemi.com

74VCX245MTCX 產(chǎn)品屬性

  • 2,500

  • 集成電路 (IC)

  • 邏輯 - 緩沖器，驅(qū)動器，接收器，收發(fā)器

  • 74VCX

  • 收發(fā)器，非反相

  • 1

  • 8

  • 24mA，24mA

  • 1.4 V ~ 3.6 V

  • -40°C ~ 85°C

  • 表面貼裝

  • 20-TSSOP（0.173"，4.40mm 寬）

  • 20-TSSOP

  • 帶卷 (TR)

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