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參數資料
| 型號： | FSTU16861MTDX |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | BUS SWITCH|CMOS|TSSOP|48PIN|PLASTIC |
| 中文描述： | CBT/FST/QS/5C/B SERIES, DUAL 10-BIT DRIVER, TRUE OUTPUT, PDSO48 |
| 封裝： | 6.10 MM, MO-153ED, TSSOP-48 |
| 文件頁數： | 1/6頁 |
| 文件大小： | 157K |
| 代理商： | FSTU16861MTDX |
2001 Fairchild Semiconductor Corporation
DS500422
www.fairchildsemi.com
May 2001
Revised May 2001
F
2
FSTU16861
20-Bit Bus Switch with
2V Undershoot Protection
General Description
The Fairchild Switch FSTU16861 provides 20-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 is organized as a 10-bit or 20-Bit bus switch.
When OE
1
is LOW, the switch is ON and Port 1A is con-
nected to Port 1B. When OE
2
is LOW, Port 2A is connected
to Port 2B. When OE
X
is HIGH, a high impedance state
exists between the A and B Ports. The A and B Ports are
protected against undershoot to support an extended
range to 2.0V below ground. Fairchild’s integrated Under-
shoot Hardened Circuit (UHC
) senses undershoot at the
I/O and responds by preventing voltage differentials from
developing and turning the switch on. When OE is HIGH,
the switch is OPEN and a high-impedance state exists
between the two ports.
Features
I
Undershoot hardened to
2V (A and B Ports)
I
4
switch connection between two ports
I
Minimal propagation delay through the switch
I
Low l
CC
I
Zero bounce in flow-through mode
I
Control inputs compatible with TTL level
I
See Application Note AN-5008 for details
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter
“
X
”
to the ordering code.
UHC
is a trademark of Fairchild Semiconductor Corporation.
Order Number
FSTU16861MTD
Package Number
MTD48
Package Description
48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
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