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参数资料
| 型号： | FSTD16861MTDX |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 1/6页 |
| 文件大小： | 0K |
| 描述： | IC SWITCH BUS 20BIT TTL 48TSSOP |
| 标准包装： | 1 |
| 类型： | 总线开关 |
| 电路： | 10 x 1:1 |
| 独立电路： | 2 |
| 电压电源： | 单电源 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 48-TFSOP（0.240"，6.10mm 宽） |
| 供应商设备封装： | 48-TSSOP |
| 包装： | 标准包装 |
| 其它名称： | FSTD16861MTDXDKR |
2005 Fairchild Semiconductor Corporation
DS500421
www.fairchildsemi.com
May 2001
Revised June 2005
FSTD16
861
20
-Bi
t
B
u
s
Swit
ch
w
ith
Level
S
h
if
ting
FSTD16861
20-Bit Bus Switch with Level Shifting
General Description
The Fairchild Switch FSTD16861 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. A diode to VCC has been
integrated into the circuit to allow for level shifting between
5V inputs and 3.3V outputs.
The device is organized as a 10-bit or 20-bit bus switch.
When OE1 is LOW, the switch is ON and Port 1A is con-
nected to Port 1B. When OE2 is LOW, Port 2A is connected
to Port 2B. When OEX is HIGH, a high impedance state
exists between the A and B Ports.
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 Control inputs compatible with TTL level.
s TruTranslation
voltage translation from 5.0V inputs to
3.3V outputs
s Power-off high impedance inputs and outputs
s Supports live insertion/withdrawal (Note 1)
Note 1: To ensure the high-impedance state during power up or power
down, OE should be tied to VCC through a pull-up resistor; the minimum
value of the resistor is determined by the current-sourcing capability of the
driver.
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
TruTranslation
is trademark of Fairchild Semiconductor Corporation.
Order Number
Package Number
Package Description
FSTD16861MTD
MTD48
48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
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