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74VCXH245WM Datasheet

  • 74VCXH245WM

  • Low Voltage Bidirectional Transceiver with Bushold

  • 8頁(yè)

  • FAIRCHILD

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74VCXH245 Low Voltage Bidirectional Transceiver with Bushold
June 1999
Revised June 1999
74VCXH245
Low Voltage Bidirectional Transceiver with Bushold
General Description
The VCXH245 contains eight non-inverting bidirectional
buffers with 3-STATE outputs and is intended for bus ori-
ented applications. The T/R input determines the direction
of data flow. The OE input disables both the A and B Ports
by placing them in a high impedance state. The VCXH245
data inputs include active bushold circuitry, eliminating the
need for external pull-up resistors to hold unused or float-
ing data inputs at a valid logic level.
The 74VCXH245 is designed for low voltage (1.65V to
3.6V) V
CC
applications.
The 74VCXH245 is fabricated with an advanced CMOS
technology to achieve high-speed operation while main-
taining low CMOS power dissipation.
Features
s
1.65V-3.6V V
CC
supply operation
s
Bushold on data inputs eliminates the need for external
pull-up/pull-down resistors
s
t
PD
3.5 ns max for 3.0V to 3.6V V
CC
4.2 ns max for 2.3V to 2.7V V
CC
8.4 ns max for 1.65V to 1.95V V
CC
s
Static Drive (I
OH
/I
OL
)
鹵24
mA @ 3.0V V
CC
鹵18
mA @ 2.3V V
CC
鹵
6mA @ 1.65V V
CC
s
Uses patented Quiet Series noise/EMI reduction
circuitry
s
Latchup performance exceeds 300 mA
s
ESD performance:
Human body model
>
2000V
Machine model
>
200V
Ordering Code:
Order Number
74VCXH245WM
74VCXH245MTC
Package Number
M20B
MTC20
Package Description
20-Lead Small Outline Integrated Circuit, JEDEC MS-013, 0.300鈥?Wide Body
20-Lead Thin Shrink Small Outline Package, 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 Bushold Inputs or 3-STATE Outputs
Side B Bushold Inputs or 3-STATE Outputs
Quiet Series鈩?is a trademark of Fairchild Semiconductor Corporation.
漏 1999 Fairchild Semiconductor Corporation
ds500198
www.fairchildsemi.com

74VCXH245WM 產(chǎn)品屬性

  • 1,080

  • 集成電路 (IC)

  • 邏輯 - 緩沖器，驅(qū)動(dòng)器，接收器，收發(fā)器

  • 74VCXH

  • 收發(fā)器，非反相

  • 1

  • 8

  • 24mA，24mA

  • 1.2 V ~ 3.6 V

  • -40°C ~ 85°C

  • 表面貼裝

  • 20-SOIC（0.295"，7.50mm 寬）

  • 20-SOIC

  • 管件

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