TRS3221E_1 Datasheet, PDF (6/17 Pages) Texas Instruments – 3-V TO 5.5-V SINGLE-CHANNEL RS-232 LINE DRIVER/RECEIVER WITH ±15-kV IEC ESD PROTECTION

TRS3221E
3-V TO 5.5-V SINGLE-CHANNEL RS-232 LINE DRIVER/RECEIVER
WITH ±15-kV IEC ESD PROTECTION
SLLS792 – JUNE 2007
www.ti.com
Auto-Powerdown Section Electrical Characteristics
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 5)
V_T+(valid)
V_{T–(valid)}
V_T(invalid)
V_OH
V_OL
PARAMETER
Receiver input threshold
for INVALID high-level output voltage
Receiver input threshold
for INVALID high-level output voltage
Receiver input threshold
for INVALID low-level output voltage
INVALID high-level output voltage
INVALID low-level output voltage
TEST CONDITIONS
FORCEON = GND,
FORCEOFF = V_CC
FORCEON = GND,
FORCEOFF = V_CC
FORCEON = GND,
FORCEOFF = V_CC
I_OH = –1 mA, FORCEON = GND,
FORCEOFF = V_CC
I_OL = 1.6 mA, FORCEON = GND,
FORCEOFF = V_CC
MIN MAX UNIT
2.7 V
–2.7
V
–0.3
0.3 V
V_CC – 0.6
V
0.4 V
Auto-Powerdown Section Switching Characteristics
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 5)
PARAMETER
TYP⁽¹⁾ UNIT
t_valid
t_invalid
t_en
Propagation delay time, low- to high-level output
Propagation delay time, high- to low-level output
Supply enable time
1 μs
30 μs
100 μs
(1) All typical values are at V_CC = 3.3 V or V_CC = 5 V, and T_A = 25°C.
6
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