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SN74LVC138A器件专为需要极短传播延迟时间的高性能存储器解码或数据路由应用而设计。在高性能存储器系统中，这些解码器最小化了系统解码的影响。当使用快速使能电路与高速存储器一起使用时，这些解码器的延迟时间和存储器的使能时间通常小于存储器的典型存取时间。这意味着解码器引入的有效系统延迟可以忽略不计。
| Function |
| Technology Family |
| VCC (Min) (V) |
| VCC (Max) (V) |
| Channels (#) |
| Voltage (Nom) (V) |
| F @ Nom Voltage (Max) (Mhz) |
| ICC @ Nom Voltage (Max) (mA) |
| tpd @ Nom Voltage (Max) (ns) |
| Configuration |
| Type |
| IOL (Max) (mA) |
| IOH (Max) (mA) |
| Rating |
| Operating Temperature Range (C) |
| Package Group |
| Package Size: mm2:W x L (PKG) |
| Bits (#) |
| Digital input leakage (Max) (uA) |
| ESD Charged Device Model (kV) |
| ESD HBM (kV) |
| SN74LVC138A | SN54LVC138A | SN74LVC138A-EP | SN74LVC138A-Q1 |
|---|---|---|---|
| Decoder Demultiplexer | Decoder/Demultiplexer | Decoder/Demultiplexer | Decoder |
| LVC | LVC | LVC | LVC |
| 1.65 | 2 | 2 | 2 |
| 3.6 | 3.6 | 3.6 | 3.6 |
| 1 | 1 | 1 | 1 |
| 1.8 2.5 2.7 3.3 | 2.7 3.3 | 2.7 3.3 | 2.7 3.3 |
| 100 | 100 | 100 | 100 |
| 0.01 | 0.01 | 0.01 | 0.01 |
| 22 9.9 7.9 6.7 | 7.9 6.7 | 7.9 6.7 | 7.9 6.7 |
| 3:8 | 3:8 | 3:8 | 3:08 |
| Standard | Standard | Standard | Standard |
| 24 | 24/-24 | 24/-24 | 24 |
| -24 | -24 | ||
| Catalog | Military | HiRel Enhanced Product | Automotive |
| -40 to 85 | -55 to 125 | -40 to 125 -55 to 125 | -40 to 125 |
| BGA MICROSTAR JUNIOR SO SOIC SSOP TSSOP TVSOP UQFN VQFN | CDIP CFP LCCC | SOIC TSSOP | SOIC TSSOP |
| 20BGA MICROSTAR JUNIOR: 12 mm2: 3 x 4(BGA MICROSTAR JUNIOR) 16SO: 80 mm2: 7.8 x 10.2(SO) 16SOIC: 59 mm2: 6 x 9.9(SOIC) 16SSOP: 48 mm2: 7.8 x 6.2(SSOP) 16TSSOP: 32 mm2: 6.4 x 5(TSSOP) 16TVSOP: 23 mm2: 6.4 x 3.6(TVSOP) 16UQFN: 5 mm2: 1.8 x 2.6(UQFN) 16VQFN: 14 mm2: 3.5 x 4(VQFN) | See datasheet (CDIP) See datasheet (CFP) 20LCCC: 79 mm2: 8.89 x 8.89(LCCC) | 16SOIC: 59 mm2: 6 x 9.9(SOIC) 16TSSOP: 32 mm2: 6.4 x 5(TSSOP) | 16SOIC: 59 mm2: 6 x 9.9(SOIC) 16TSSOP: 32 mm2: 6.4 x 5(TSSOP) |
| 8 | 8 | 8 | 8 |
| 5 | 5 | 5 | 5 |
| 0.75 | 0.75 | 0.75 | 0.75 |
| 2 | 2 | 2 | 2 |
| 无样片 |
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