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參數(shù)資料
| 型號(hào)： | MM74HC138SJX |
| 廠商： | Fairchild Semiconductor |
| 文件頁(yè)數(shù)： | 1/7頁(yè) |
| 文件大小： | 0K |
| 描述： | IC DECODER 3-8 LINE 16-SOP |
| 標(biāo)準(zhǔn)包裝： | 2,000 |
| 系列： | 74HC |
| 類(lèi)型： | 解碼器 |
| 電路： | 1 x 3:8 |
| 獨(dú)立電路： | 1 |
| 輸出電流高，低： | 5.2mA，5.2mA |
| 電壓電源： | 單電源 |
| 電源電壓： | 2 V ~ 6 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類(lèi)型： | 表面貼裝 |
| 封裝/外殼： | 16-SOIC（0.209"，5.30mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-SOP |
| 包裝： | 帶卷 (TR) |
September 1983
Revised February 1999
MM74HC138
3-t
o
-8
Li
ne
Decod
er
1999 Fairchild Semiconductor Corporation
DS005120.prf
www.fairchildsemi.com
MM74HC138
3-to-8 Line Decoder
General Description
The MM74HC138 decoder utilizes advanced silicon-gate
CMOS technology and is well suited to memory address
decoding or data routing applications. The circuit features
high noise immunity and low power consumption usually
associated with CMOS circuitry, yet has speeds compara-
ble to low power Schottky TTL logic.
The MM74HC138 has 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 of decoders.
The decoder’s outputs can drive 10 low power Schottky
TTL equivalent loads, and are functionally and pin equiva-
lent to the 74LS138. All inputs are protected from damage
due to static discharge by diodes to VCC and ground.
Features
s Typical propagation delay: 20 ns
s Wide power supply range: 2V–6V
s Low quiescent current: 80
A maximum (74HC 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 suffix letter “X” to the ordering code.
Connection Diagram
Pin Assignment for DIP, SOIC, SOP and TSSOP
Order Number
Package Number
Package Description
MM74HC138M
M16A
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150” Narrow
MM74HC138SJ
M16D
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
MM74HC138MTC
MTC16
16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
MM74HC138N
N16E
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide
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