MAX3243

具有 +/-15kV ESD HBM 保护的 3V 至 5.5V 多通道 RS-232 线路驱动器/接收器

The device consists of three line drivers, five line receivers which is ideal for DE-9 DTE interface. ±15-kV ESD HBM protection pin to pin serial- port connection pins, including GND. Flexible power features saves power automatically. Special outputs ROUT2B and INVALID are always enabled to allow checking for ring indicator and valid RS232 input.

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Operates With 3-V to 5.5-V VCC Supply

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Single-Chip and Single-Supply Interface

for IBM PC/AT Serial Port

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RS-232 Bus-Pin ESD Protection of

±15 kV Using Human-Body Model HBM

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Meets or Exceeds the Requirements of

A/EIA-232-F and ITU V.28 Standards

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Three Drivers and Five Receivers

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Operates Up To 250 kbit/s

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Low Active Current: 300 μA Typical

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Low Standby Current: 1 μA Typical

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External Capacitors: 4 × 0.1 μF

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Accepts 5-V Logic Input With 3.3-V Supply

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Always-Active Noninverting Receiver

Output ROUT2B

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Operating Temperature

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MAX3243C: 0°C to 70°C

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MAX3243I: –40°C to 85°C

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Serial-Mouse Driveability

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Auto-Powerdown Feature to Disable Driver

Outputs When No Valid RS-232 Signal Is

Sensed