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SN65C3221E, SN75C3221E
www.ti.com . SLLS694B – NOVEMBER 2005 – REVISED APRIL 2009 3-V TO 5.5-V SINGLE-CHANNEL RS-232 1-Mbit/s LINE DRIVER/RECEIVER
WITH В±15-kV IEC ESD PROTECTION
FEATURES 1 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 ВµA Typ
External Capacitors . 4 Г— 0.1 ВµF
Accepts 5-V Logic Input With 3.3-V Supply
RS-232 Bus-Pin ESD Protection Exceeds В±15
kV Using Human-Body Model (HBM)
Auto-Powerdown Feature Automatically
Disables Drivers for Power Savings DB OR PW PACKAGE
(TOP VIEW) EN
C1+
V+
C1-C2+
C2-V-RIN 1 16 2 15 3 14 4 13 5 12 6 11 7 10 8 9 FORCEOFF
VCC
GND …
