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| 型号： | FST6800WMX |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 1/5页 |
| 文件大小： | 0K |
| 描述： | IC SWITCH BUS 10BIT TTL 24SOIC |
| 产品变化通告： | Product Discontinuation 28/May/2008 |
| 标准包装： | 1,000 |
| 类型： | 总线开关 |
| 电路： | 10 x 1:1 |
| 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： | 24-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 24-SOIC |
| 包装： | 带卷 (TR) |
2000 Fairchild Semiconductor Corporation
DS500022
www.fairchildsemi.com
June 1997
Revised November 2000
FST6
800
1
0
-Bi
t
Bus
Swit
ch
w
ith
Pre
c
harged
Output
s
FST6800
10-Bit Bus Switch with Precharged Outputs
General Description
The Fairchild Switch FST6800 provides 10-bits of high-
speed CMOS TTL-compatible bus switching. The low on
resistance of the switch allows inputs to be connected to
outputs without adding propagation delay or generating
additional ground bounce noise. The device precharges
the B Port to a selectable bias voltage (BiasV) to minimize
live insertion noise.
The device is organized as a 10-bit switch with a bus
enable (OE) signal. 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 the B Port is precharged to BiasV
through an equivalent 10-k
resistor.
Features
s 4
switch connection between two ports.
s Minimal propagation delay through the switch.
s Low lCC.
s Zero bounce in flow-through mode.
s Output precharge to minimize live insertion noise.
s Control inputs compatible with TTL level.
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Diagram
Pin Descriptions
Connection Diagram
Truth Table
Order Number
Package Number
Package Description
FST6800WM
M24B
24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
FST6800QSC
MQA24
24-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150 Wide
FST6800MTC
MTC24
24-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Pin Name
Description
OE
Bus Switch Enable
ABus A
BBus B
OE
B0–B9
Function
LA0–A9
Connect
HBiasV
Precharge
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