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FST3245QSC Datasheet

  • FST3245QSC

  • Octal Bus Switch

  • 6頁

  • FAIRCHILD

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FST3245 Octal Bus Switch
June 1997
Revised December 1999
FST3245
Octal Bus Switch
General Description
The Fairchild Switch FST3245 provides 8-bits of high-
speed CMOS TTL-compatible bus switching in a standard
鈥?45 pin-out. The low on resistance of the switch allows
inputs to be connected to outputs without adding propaga-
tion delay or generating additional ground bounce noise.
The device is organized as an 8-bit switch. When OE is
LOW, the switch is ON and Port A is connected to Port B.
When OE is HIGH, the switch is OPEN and a high-imped-
ance state exists between the two ports.
Features
s
4鈩?switch connection between two ports.
s
Minimal propagation delay through the switch.
s
Low l
CC
.
s
Zero bounce in flow-through mode.
s
Control inputs compatible with TTL level.
Ordering Code:
Order Number
FST3245WM
FST3245QSC
FST3245MTC
Package Number
M20B
MQA20
MTC20
Package Description
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
20-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150 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 Diagram
Connection Diagram
Pin Descriptions
Pin Name
OE
A
B
Description
Bus Switch Enable
Bus A
Bus B
Truth Table
Input OE
L
H
Function
Connect
Disconnect
漏 1999 Fairchild Semiconductor Corporation
DS500020
www.fairchildsemi.com

FST3245QSC 產品屬性

  • 54

  • 集成電路 (IC)

  • 邏輯 - 信號開關，多路復用器，解碼器

  • -

  • 總線開關

  • 1 x 8:1

  • 1

  • -

  • 單電源

  • 4 V ~ 5.5 V

  • -40°C ~ 85°C

  • 表面貼裝

  • 20-LSOP（0.154"，3.90mm 寬）

  • 20-QSOP

  • 管件

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