参数资料
型号: FST3245QSCX
厂商: Fairchild Semiconductor
文件页数: 1/7页
文件大小: 0K
描述: IC SWITCH BUS 8BIT TTL 20QSOP
产品变化通告: Mold Compound Change 12/Sept/2008
标准包装: 2,500
类型: 总线开关
电路: 1 x 8:1
独立电路: 1
电压电源: 单电源
电源电压: 4 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-LSOP(0.154",3.90mm 宽)
供应商设备封装: 20-QSOP
包装: 带卷 (TR)
December 2012
1997 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FST3245 Rev. 1.0.3
FST3245
8-Bit
Bus
Switch
FST3245 — 8-Bit Bus Switch
Features
4 Ω Switch Connection between Two Ports
Minimal Propagation Delay through the Switch
Low I
CC
Zero Bounce in Flow-through Mode
Control Inputs Compatible with TTL Level
Description
The FST3245 switch provides eight-bits of high-speed
CMOS TTL-compatible bus switching in a standard ’245
pin-out. The low on resistance allows inputs to be
connected to outputs without adding propagation delay
or generating additional ground bounce noise.
The device is organized as an eight-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-impedance state exists between the two ports.
Ordering Information
Part Number
Operating
Temperature
Range
Package
Packing
Method
FST3245MTCX
-40 to +85°C
20-Lead Thin Shrink Small Outline Package (TSSOP),
JEDEC MO-153, 4.4 mm Wide
Tape and Reel
Logic Diagram
18
11
B0
B7
19
2
9
/OE
A7
A0
Figure 1. Logic Diagram
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相关代理商/技术参数
参数描述
FST3245WM 功能描述:数字总线开关 IC 8-Bit Bus Switch RoHS:否 制造商:Texas Instruments 开关数量:24 传播延迟时间:0.25 ns 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:TSSOP-56 封装:Reel
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FST3253 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Dual 4:1 Multiplexer/Demultiplexer Bus Switch
FST3253M 功能描述:编码器、解码器、复用器和解复用器 Multi/Demulti Bus Sw RoHS:否 制造商:Micrel 产品:Multiplexers 逻辑系列:CMOS 位数: 线路数量(输入/输出):2 / 12 传播延迟时间:350 ps, 400 ps 电源电压-最大:2.625 V, 3.6 V 电源电压-最小:2.375 V, 3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Tray