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参数资料
| 型号： | SN74CBT3257D |
| 厂商： | Texas Instruments, Inc. |
| 英文描述： | 4-BIT 1-OF-2 FET MULTIPLEXER/DEMULTIPLEXER |
| 中文描述： | 4位1 - 2场效应复用器/解复用器 |
| 文件页数： | 1/12页 |
| 文件大小： | 361K |
| 代理商： | SN74CBT3257D |
SN74CBT3257
4BIT 1OF2 FET MULTIPLEXER/DEMULTIPLEXER
SCDS017M MAY 1995 REVISED JANUARY 2004
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D 5- Switch Connection Between Two Ports
D TTL-Compatible Input Levels
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
S
1B1
1B2
1A
2B1
2B2
2A
GND
VCC
OE
4B1
4B2
4A
3B1
3B2
3A
D, DB, DBQ, OR PW PACKAGE
(TOP VIEW)
RGY PACKAGE
(TOP VIEW)
116
89
2
3
4
5
6
7
15
14
13
12
11
10
OE
4B1
4B2
4A
3B1
3B2
1B1
1B2
1A
2B1
2B2
2A
S
3A
V
GND
CC
description/ordering information
The SN74CBT3257 is a 4-bit 1-of-2 high-speed TTL-compatible FET multiplexer/demultiplexer. The low
on-state resistance of the switch allows connections to be made with minimal propagation delay.
Output-enable (OE) and select-control (S) inputs select the appropriate B1 and B2 outputs for the A-input data.
ORDERING INFORMATION
TA
PACKAGE
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
QFN RGY
Tape and reel
SN74CBT3257RGYR
CU257
SOIC D
Tube
SN74CBT3257D
CBT3257
SOIC D
Tape and reel
SN74CBT3257DR
CBT3257
40
°C to 85°C
SSOP DB
Tape and reel
SN74CBT3257DBR
CU257
40 C to 85 C
SSOP (QSOP) DBQ
Tape and reel
SN74CBT3257DBQR
CU257
TSSOP PW
Tube
SN74CBT3257PW
CU257
TSSOP PW
Tape and reel
SN74CBT3257PWR
CU257
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design
guidelines are available at www.ti.com/sc/package.
FUNCTION TABLE
INPUTS
FUNCTION
OE
S
FUNCTION
L
A port = B1 port
L
H
A port = B2 port
H
X
Disconnect
Copyright
2004, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SN74CBT3257D | 制造商:Texas Instruments 功能描述:Switch Logic IC |
| SN74CBT3257DBQR | 功能描述:多路器开关 IC 4-Bit 1-of-2 FET RoHS:否 制造商:Texas Instruments 通道数量:1 开关数量:4 开启电阻（最大值）:7 Ohms 开启时间（最大值）: 关闭时间（最大值）: 传播延迟时间:0.25 ns 工作电源电压:2.3 V to 3.6 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UQFN-16 |
| SN74CBT3257DBQRE4 | 功能描述:多路器开关 IC 18-Bit Univ Bus Transceiver RoHS:否 制造商:Texas Instruments 通道数量:1 开关数量:4 开启电阻（最大值）:7 Ohms 开启时间（最大值）: 关闭时间（最大值）: 传播延迟时间:0.25 ns 工作电源电压:2.3 V to 3.6 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UQFN-16 |
| SN74CBT3257DBQRG4 | 功能描述:多路器开关 IC 4-Bit 1-of-2 FET RoHS:否 制造商:Texas Instruments 通道数量:1 开关数量:4 开启电阻（最大值）:7 Ohms 开启时间（最大值）: 关闭时间（最大值）: 传播延迟时间:0.25 ns 工作电源电压:2.3 V to 3.6 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UQFN-16 |
| SN74CBT3257DBR | 功能描述:多路器开关 IC 4-Bit 1-of-2 FET RoHS:否 制造商:Texas Instruments 通道数量:1 开关数量:4 开启电阻（最大值）:7 Ohms 开启时间（最大值）: 关闭时间（最大值）: 传播延迟时间:0.25 ns 工作电源电压:2.3 V to 3.6 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UQFN-16 |
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