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參數資料
| 型號： | ADG3257 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | High Speed, 3.3 V/5 V Quad 2:1 Mux/Demux (4-Bit, 1 of 2) Bus Switch |
| 中文描述： | 高速，3.3伏/ 5伏四路2:1復用/解復用（4位，2 1）總線開關 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 173K |
| 代理商： | ADG3257 |
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ADG3257
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective companies.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
REV. CHigh Speed, 3.3 V/5 V Quad 2:1 Mux/Demux
(4-Bit, 1 of 2) Bus Switch
FUNCTIONAL BLOCK DIAGRAM
1A
2A
3A
4A
4B
2
4B
1
3B
2
3B
1
2B
2
2B
1
1B
2
1B
1
BE
S
LOGIC
FEATURES
100 ps Propagation Delay through the Switch
2
Switches Connect Inputs to Outputs
Data Rates up to 933 Mbps
Single 3.3 V/5 V Supply Operation
Level Translation Operation
Ultralow Quiescent Supply Current (1 nA Typical)
3.5 ns Switching
Standard ‘3257 Type Pinout
APPLICATIONS
Bus Switching
Bus Isolation
Level Translation
Memory Switching/Interleaving
PRODUCT HIGHLIGHTS
1. 0.1 ns propagation delay through switch
2. 2
switches connect inputs to outputs
3. Bidirectional operation
4. Ultralow power dissipation
5. 16-lead QSOP package
Table I. Truth Table
BE
S
Function
H
L
L
X
L
H
DISABLE
A = B
1
A = B
2
GENERAL DESCRIPTION
The ADG3257 is a CMOS bus switch comprised of four 2:1
multiplexers/demultiplexers with high impedance outputs. The
device is manufactured on a CMOS process. This provides low
power dissipation yet high switching speed and very low ON
resistance, allowing the inputs to be connected to the outputs
without adding propagation delay or generating additional ground
bounce noise.
The ADG3257 operates from a single 3.3 V/5 V supply. The
control logic for each switch is shown in Table I. These switches
are bidirectional when ON. In the OFF condition, signal levels are
blocked up to the supplies.
This bus switch is suited to both switching and level translation
applications. It may be used in applications requiring level
translation from 3.3 V to 2.5 V when powered from 3.3 V.
Additionally, with a diode connected in series with 5 V V
DD
,
the ADG3257 may also be used in applications requiring 5 V
to 3.3 V level translation.
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| ADG3257BRQ | 功能描述:IC MUX QUAD 3.3/5V HS 16-QSOP RoHS:否 類別:集成電路 (IC) >> 邏輯 - 信號開關，多路復用器，解碼器 系列:- 標準包裝:48 系列:74VHC 類型:多路復用器 電路:4 x 2:1 獨立電路:1 輸出電流高，低:8mA，8mA 電壓電源:單電源 電源電壓:2 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:16-SOIC 包裝:管件 |
| ADG3257BRQ-REEL | 功能描述:IC MUX QUAD 3.3/5V HS 16-QSOP RoHS:否 類別:集成電路 (IC) >> 邏輯 - 信號開關，多路復用器，解碼器 系列:- 標準包裝:48 系列:74VHC 類型:多路復用器 電路:4 x 2:1 獨立電路:1 輸出電流高，低:8mA，8mA 電壓電源:單電源 電源電壓:2 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:16-SOIC 包裝:管件 |
| ADG3257BRQ-REEL7 | 功能描述:IC MUX QUAD 3.3/5V HS 16-QSOP RoHS:否 類別:集成電路 (IC) >> 邏輯 - 信號開關，多路復用器，解碼器 系列:- 標準包裝:25 系列:74HC 類型:解碼器 電路:1 x 2:4 獨立電路:2 輸出電流高，低:5.2mA，5.2mA 電壓電源:單電源 電源電壓:2 V ~ 6 V 工作溫度:-40°C ~ 85°C 安裝類型:通孔 封裝/外殼:16-DIP（0.300"，7.62mm） 供應商設備封裝:16-DIP 包裝:管件 |
| ADG3257BRQZ | 功能描述:IC MUX QUAD 3.3/5V HS 16-QSOP RoHS:是 類別:集成電路 (IC) >> 邏輯 - 信號開關，多路復用器，解碼器 系列:- 標準包裝:48 系列:74VHC 類型:多路復用器 電路:4 x 2:1 獨立電路:1 輸出電流高，低:8mA，8mA 電壓電源:單電源 電源電壓:2 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:16-SOIC 包裝:管件 |
| ADG3257BRQZ-REEL | 功能描述:IC MUX/DEMUX QUAD 3.3-5V 16QSOP RoHS:是 類別:集成電路 (IC) >> 邏輯 - 信號開關，多路復用器，解碼器 系列:- 標準包裝:48 系列:74VHC 類型:多路復用器 電路:4 x 2:1 獨立電路:1 輸出電流高，低:8mA，8mA 電壓電源:單電源 電源電壓:2 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:16-SOIC 包裝:管件 |
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