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SN74CBT34X245提供32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。
该器件由四个8位总线开关,两个16位总线开关或一个32位总线开关组成。当输出使能(OE \)为低电平时,开关打开,端口A连接到端口B.当OE \为高电平时,开关打开,两个端口之间存在高阻态。
使用I off 为部分断电应用完全指定此设备。 I off 电路禁用输出,防止在断电时损坏通过器件的电流回流。
在两个端口之间切换连接Widebus +是德州仪器的商标。
| 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 OFF-state Capacitance (Typ) (pF) |
| ESD Charged Device Model (kV) |
| ESD HBM (kV) |
| VIL (Max) (V) |
| VIH (Min) (V) |
| SN74CBT34X245 |
|---|
| 1:1 SPST |
| 32 |
| Single |
| N/A |
| N/A |
| 4 |
| 5.5 |
| 5 |
| 200 |
| Catalog |
| -40 to 85 |
| 80TSSOP: 138 mm2: 8.1 x 17(TSSOP) |
| TSSOP |
| 5.5 |
| 17 |
| 128 |
| 3 |
| Powered off protection |
| 5 |
| 5 |
| 5.5 |
| 1 |
| 2 |
| 0.8 |
| 2 |