74HC257
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74HC257
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商品编号:
74HCT257D,653
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简述:
Quad 2-input multiplexer; 3-state
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描述:
The 74HC257; 74HCT257 is a quad 2-input multiplexer with 3-state outputs. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.
- 数据手册:
库存: 0
特性
Wide supply voltage range from 2.0 V to 6.0 V
CMOS low power dissipation
High noise immunity
Latch-up performance exceeds 100 mA per JESD 78 Class II Level B
Complies with JEDEC standards:
- JESD8C (2.7 V to 3.6 V)
- JESD7A (2.0 V to 6.0 V)
Non-inverting data path
3-state outputs interface directly with system bus
Input levels:
For 74HC257: CMOS level
For 74HCT257: TTL level
- ESD protection:
HBM JESD22-A114F exceeds 2000 V
MM JESD22-A115-A exceeds 200 V
Specified from -40 °C to +85 °C and from -40 °C to +125 °C
目标应用
数据手册
