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| 型号： | 74VHC138MTC |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 1/7页 |
| 文件大小： | 0K |
| 描述： | IC DECODER/DEMUX 3-TO-8 16-TSSOP |
| 标准包装： | 94 |
| 系列： | 74VHC |
| 类型： | 解码器/多路分解器 |
| 电路： | 1 x 3:8 |
| 独立电路： | 1 |
| 输出电流高，低： | 8mA，8mA |
| 电压电源： | 单电源 |
| 电源电压： | 2 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 16-TSSOP |
| 包装： | 管件 |
November 1992
Revised April 1999
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1999 Fairchild Semiconductor Corporation
DS011537.prf
www.fairchildsemi.com
74VHC138
3-to-8 Decoder/Demultiplexer
General Description
The VHC138 is an advanced high speed CMOS 3-to-8
decoder/demultiplexer fabricated with silicon gate CMOS
technology. It achieves the high speed operation similar to
equivalent Bipolar Schottky TTL while maintaining the
CMOS low power dissipation.
When the device is enabled, 3 binary select inputs (A0, A1
and A2) determine which one of the outputs (O0–O7) will go
LOW. When enable input E3 is held LOW or either E1 or E2
is held HIGH, decoding function is inhibited and all outputs
go HIGH. E3, E1 and E2 inputs are provided to ease cas-
cade connection and for use as an address decoder for
memory systems. An input protection circuit ensures that
0V to 7V can be applied to the input pins without regard to
the supply voltage. This device can be used to interface 5V
to 3V systems and two supply systems such as battery
back up. This circuit prevents device destruction due to
mismatched supply and input voltages.
Features
s High Speed: tPD = 5.7ns (typ) at TA = 25°C
s Low power dissipation: ICC = 4 A (max.) at TA = 25°C
s High noise immunity: VNIH = VNIL = 28% VCC (min.)
s Power down protection provided on all inputs
s Pin and function compatible with 74HC138
Ordering Code:
Surface mount packages are also available on Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbols
IEEE/IEC
Connection Diagram
Pin Descriptions
Order Number
Package Number
Package Description
74VHC138M
M16A
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150” Narrow
74VHC138SJ
M16D
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74VHC138MTC
MTC16
16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
74VHC138N
N16E
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide
Pin Names
Description
A0–A2
Address Inputs
E1–E2
Enable Inputs
E3
Enable Input
O0–O7
Outputs
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 74VHC138MTC_Q | 功能描述:编码器、解码器、复用器和解复用器 3to8 Decoder/Demult RoHS:否 制造商:Micrel 产品:Multiplexers 逻辑系列:CMOS 位数: 线路数量（输入/输出）:2 / 12 传播延迟时间:350 ps, 400 ps 电源电压-最大:2.625 V, 3.6 V 电源电压-最小:2.375 V, 3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Tray |
| 74VHC138MTCX | 功能描述:编码器、解码器、复用器和解复用器 3to8 Decoder/Demult RoHS:否 制造商:Micrel 产品:Multiplexers 逻辑系列:CMOS 位数: 线路数量（输入/输出）:2 / 12 传播延迟时间:350 ps, 400 ps 电源电压-最大:2.625 V, 3.6 V 电源电压-最小:2.375 V, 3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Tray |
| 74VHC138MTCX | 制造商:FAIRCHILD SEMICONDUCTOR 功能描述:_ |
| 74VHC138MTCX | 制造商:Fairchild Semiconductor Corporation 功能描述:DECODER/DEMULTIPLEXER LOGIC IC |
| 74VHC138MTCX_NL | 功能描述:编码器、解码器、复用器和解复用器 FINISHED GOOD RoHS:否 制造商:Micrel 产品:Multiplexers 逻辑系列:CMOS 位数: 线路数量（输入/输出）:2 / 12 传播延迟时间:350 ps, 400 ps 电源电压-最大:2.625 V, 3.6 V 电源电压-最小:2.375 V, 3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Tray |
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