Datasheet > 逻辑 > 复用器/解复用器> ADG3257BRQ-REEL

ADG3257BRQ-REEL

更新时间： 2024-01-09 02:38:20

品牌	Logo	应用领域
亚德诺 - ADI		解复用器开关逻辑集成电路光电二极管
页数	文件大小	规格书
12页	420K
描述
High Speed, 3.3 V/5 V Quad 2:1 Mux/Demux (4-Bit, 1 of 2) Bus Switch

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ADG3257BRQ-REEL 技术参数

是否无铅：	含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	SOIC
包装说明：	SSOP, SSOP16,.25	针数：	16
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.32
Is Samacsys：	N	其他特性：	ALSO OPEARATES AT 5V VCC NOMINAL
系列：	3257	JESD-30 代码：	R-PDSO-G16
JESD-609代码：	e3	长度：	4.9022 mm
逻辑集成电路类型：	MULTIPLEXER AND DEMUX/DECODER	湿度敏感等级：	1
功能数量：	4	输入次数：	1
输出次数：	2	端子数量：	16
最高工作温度：	85 °C	最低工作温度：	-40 °C
输出特性：	3-STATE	输出极性：	TRUE
封装主体材料：	PLASTIC/EPOXY	封装代码：	SSOP
封装等效代码：	SSOP16,.25	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, SHRINK PITCH	峰值回流温度（摄氏度）：	260
电源：	3.3/5 V	传播延迟（tpd）：	0.1 ns
认证状态：	Not Qualified	座面最大高度：	1.7526 mm
子类别：	Other Logic ICs	最大供电电压 (Vsup)：	5.5 V
最小供电电压 (Vsup)：	3 V	标称供电电压 (Vsup)：	3.3 V
表面贴装：	YES	技术：	CMOS
温度等级：	INDUSTRIAL	端子面层：	Matte Tin (Sn)
端子形式：	GULL WING	端子节距：	0.635 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	40
宽度：	3.9116 mm	Base Number Matches：	1

ADG3257BRQ-REEL 数据手册

High Speed, 3.3 V/5 V Quad 2:1 Mux/Demux

(4-Bit, 1 of 2) Bus Switch

ADG3257

FUNCTIONAL BLOCK DIAGRAM

FEATURES

100 ps propagation delay through the switch

2 Ω 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

Switches remain in the off state when power is off

Standard 3257 type pinout

APPLICATIONS

LOGIC

Bus switching

Bus isolation

Level translation

Memory switching/interleaving

Figure 1.

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.

PRODUCT HIGHLIGHTS

1. 0.1 ns propagation delay through switch.

2. 2 Ω switches connect inputs to outputs.

3. Bidirectional operation.

4. Ultralow power dissipation.

5. 16-lead QSOP package.

The ADG3257 operates from a single 3.3 V/5 V supply. The

control logic for each switch is shown in Table 1. These switches

are bidirectional when on. In the off state, signal levels are blocked

up to the supplies. When the power supply is off, the switches

remain in the off state, isolating Port A and Port B.

This bus switch is suited to both switching and level translation

applications. It can be used in applications requiring level trans-

lation 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.

Table 1. Truth Table

Function

Disable

A = B₁

A = B₂

Rev. E

Information furnished by Analog Devices is believed to be accurate and reliable. However, no re-

sponsibility 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. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700 www.analog.com

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