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参数资料
| 型号： | MM74HCT138SJX |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 1/7页 |
| 文件大小： | 0K |
| 描述： | IC DECODER 3-TO-8 LINE 16-SOP |
| 标准包装： | 2,000 |
| 系列： | 74HCT |
| 类型： | 解码器 |
| 电路： | 1 x 3:8 |
| 独立电路： | 1 |
| 输出电流高，低： | 4.8mA，4.8mA |
| 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（0.209"，5.30mm 宽） |
| 供应商设备封装： | 16-SOP |
| 包装： | 带卷 (TR) |
February 1984
Revised February 1999
MM74HCT138
3-t
o
-8
Li
ne
Deco
der
1999 Fairchild Semiconductor Corporation
DS005362.prf
www.fairchildsemi.com
MM74HCT138
3-to-8 Line Decoder
General Description
The MM74HCT138 decoder utilizes advanced silicon-gate
CMOS technology, and are well suited to memory address
decoding or data routing applications. Both circuits feature
high noise immunity and low power consumption usually
associated with CMOS circuitry, yet have speeds compara-
ble to low power Schottky TTL logic.
The MM74HCT138 have 3 binary select inputs (A, B, and
C). If the device is enabled these inputs determine which
one of the eight normally HIGH outputs will go LOW. Two
active LOW and one active HIGH enables (G1, G2A and
G2B) are provided to ease the cascading decoders.
The decoders’ output can drive 10 low power Schottky TTL
equivalent loads and are functionally and pin equivalent to
the 74LS138. All inputs are protected from damage due to
static discharge by diodes to VCC and ground.
MM74HCT devices are intended to interface between TTL
and NMOS components and standard CMOS devices.
These parts are also plug-in replacements for LS-TTL
devices and can be used to reduce power consumption in
existing designs.
Features
s TTL input compatible
s Typical propagation delay: 20 ns
s Low quiescent current: 80
A maximum (74HCT Series)
s Low input current: 1
A maximum
s Fanout of 10 LS-TTL loads
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Pin Assignments for DIP, SOIC, SOP and TSSOP
Order Number
Package Number
Package Description
MM74HCT138M
M16A
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150” Narrow
MM74HCT138SJ
M16D
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
MM74HCT138MTC
MTC16
16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
MM74HCT138N
N16E
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide
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相关代理商/技术参数 |
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|---|---|
| MM74HCT139 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Dual 2-To-4 Line Decoder |
| MM74HCT139J | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Dual 2-To-4 Line Decoder |
| MM74HCT139N | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Dual 2-To-4 Line Decoder |
| MM74HCT14 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Hex Inverting Schmitt Trigger |
| MM74HCT14_05 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Hex Inverting Schmitt Trigger |
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