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参数资料
| 型号： | 74VHCT138AMX |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 1/9页 |
| 文件大小： | 0K |
| 描述： | DECODER/DEMUX 3-TO-8 16SOIC |
| 标准包装： | 2,500 |
| 系列： | 74VHCT |
| 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： | 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： | 16-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SOIC |
| 包装： | 带卷 (TR) |
tm
74VHCT138A
3-to-8
Decoder/Dem
ultiple
x
e
r
May 2007
1993 Fairchild Semiconductor Corporation
www.fairchildsemi.com
74VHCT138A Rev. 1.2
74VHCT138A
3-to-8 Decoder/Demultiplexer
Features
■ High Speed: tPD = 7.6ns (Typ.) at VCC = 5V
■ Low power dissipation: ICC = 4A (Max.) at TA = 25°C
■ Power down protection is provided on all inputs and
outputs
■ Pin and function compatible with 74HCT138
General Description
The VHCT138A is an advanced high speed CMOS
3-to-8 DECODER 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 cascade connection and for use as
an address decoder for memory systems. Protection
circuits ensure that 0V to 7V can be applied to the input
pins without regard to the supply voltage and to the out-
put pins with VCC = 0V. These circuits prevent device
destruction due to mismatched supply and input/output
voltages. This device can be used to interface 3V to 5V
systems and two supply systems such as battery
backup.
Ordering Information
Surface mount packages are also available on Tape and Reel. Specify by appending the suffix letter “X” to the
ordering number.
Order Number
Package
Number
Package Description
74VHCT138AM
M16A
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow
74VHCT138ASJ
M16D
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74VHCT138AMTC
MTC16
16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm
Wide
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 74VHCT138AN | 功能描述:编码器、解码器、复用器和解复用器 3-to-8 Dec/Demulti 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 |
| 74VHCT138AN_Q | 功能描述:编码器、解码器、复用器和解复用器 3-to-8 Dec/Demulti 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 |
| 74VHCT138ASJ | 功能描述:编码器、解码器、复用器和解复用器 3-to-8 Dec/Demulti 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 |
| 74VHCT138ASJ_Q | 功能描述:编码器、解码器、复用器和解复用器 3-to-8 Dec/Demulti 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 |
| 74VHCT138ASJX | 功能描述:编码器、解码器、复用器和解复用器 3-to-8 Dec/Demulti 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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