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SN74CBTD16211提供24位高速TTL兼容总线切换。开关的低导通电阻允许以最小的传播延迟进行连接。电路中集成了一个二极管至V CC ，允许电平从器件输入的5 V信号电平转换为器件输出的3.3 V信号。
器件被组织为具有独立输出使能（OE）\输入的双12位总线开关。它可以用作两个12位总线开关或一个24位总线开关。当（OE）\为低电平时，相关的12位总线开关打开，端口A连接到端口B.当（OE）\为高电平时，开关打开，端口之间存在高阻态。
在两个端口之间切换连接Widebus是德州仪器公司的商标。
| Configuration |
| Number of Channels (#) |
| Power Supply Type |
| Vss (Min) (V) |
| Vss (Max) (V) |
| Vdd (Min) (V) |
| Vdd (Max) (V) |
| Ron (Typ) (Ohms) |
| Bandwidth (MHz) |
| Rating |
| Operating Temperature Range (C) |
| Package Size: mm2:W x L (PKG) |
| Package Group |
| Supply Range (Max) |
| Ron (Max) (Ohms) |
| Input/Output Continuous Current (Max) (mA) |
| Supply Current (Max) (uA) |
| Features |
| OFF-state leakage current (Max) (µA) |
| ON-state leakage current (Max) (µA) |
| Input/Output ON-state Capacitance (Typ) (pF) |
| Input/Output OFF-state Capacitance (Typ) (pF) |
| ESD Charged Device Model (kV) |
| ESD HBM (kV) |
| VIL (Max) (V) |
| VIH (Min) (V) |
| SN74CBTD16211 | SN74CB3T16211 |
|---|---|
| 1:1 SPST | 1:1 SPST |
| 24 | 24 |
| Single | Single |
| N/A | N/A |
| N/A | N/A |
| 4.5 | 2.3 |
| 5.5 | 3.6 |
| 5 | 5 |
| 20 | 100 |
| Catalog | Catalog |
| -40 to 85 | -40 to 85 |
| 56SSOP: 191 mm2: 10.35 x 18.42(SSOP) 56TSSOP: 113 mm2: 8.1 x 14(TSSOP) 56TVSOP: 72 mm2: 6.4 x 11.3(TVSOP) | 56BGA MICROSTAR JUNIOR: 32 mm2: 4.5 x 7(BGA MICROSTAR JUNIOR) 56SSOP: 191 mm2: 10.35 x 18.42(SSOP) 56TSSOP: 113 mm2: 8.1 x 14(TSSOP) 56TVSOP: 72 mm2: 6.4 x 11.3(TVSOP) |
| SSOP TSSOP TVSOP | BGA MICROSTAR JUNIOR SSOP TSSOP TVSOP |
| 5.5 | 3.6 |
| 50 | 9.5 |
| 128 | 128 |
| 1500 | 70 |
| Voltage Level Shifting | Powered off protection Signal path Translation |
| 1 | 10 |
| 1 | |
| 13 | |
| 5.5 | 5 |
| 1 | |
| 2 | |
| 0.8 | 0.8 |
| 2 | 1.7 |
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