SN65C3221E, SN75C3221E
SLLS694C – NOVEMBER 2005 – REVISED JULY 2021
3-V to 5.
5-V Single-channel RS-232 1-Mbits Line Driver and Receiver with ±15-kV IEC ESD Protection
1 Features
• ESD Protection for RS-232 pins – ±15-kV Human-body model (HBM) – ±8-kV IEC 61000-4-2 Contact discharge – ±15-kV IEC 61000-4-2 Air-gap discharge
• Operate with 3-V to 5.
5-V VCC supply • Operate up to 1 Mbit/s • Low Standby Current .
.
.
1 μA Typical • External
capacitors .
.
.
4 × 0.
1 μF • Accepts 5-V logic input with 3.
3-V supply • RS-232 Bus-pin esd protection exceeds ±15 kv
using human-body model (HBM) • Auto-powerdown feature automatically disables
drivers for power savings
2 Applications
• Industrial PCs • Wir...