MAX3223E
3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER
WITH ±15-kV ESD PROTECTION
www.ti.com
SLLS707–JANUARY 2006
RECEIVER SECTION
Electrical Characteristics(1)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 6)
PARAMETER
TEST CONDITIONS
IOH = –1 mA
MIN
TYP(2)
MAX UNIT
VOH High-level output voltage
VCC – 0.6
VCC – 0.1
V
VOL
Low-level output voltage
IOL = 1.6 mA
VCC = 3.3 V
VCC = 5 V
0.4
2.4
2.4
V
1.6
1.9
VIT+ Positive-going input threshold voltage
VIT– Negative-going input threshold voltage
V
VCC = 3.3 V
VCC = 5 V
0.6
0.6
1.1
V
1.4
Vhys Input hysteresis (VIT+ – VIT–
)
0.5
V
IOZ
ri
Output leakage current
Input resistance
EN = VCC
±0.05
5
µA
kΩ
VI = ±3 V to ±25 V
3
(1) Test conditions are C1–C4 = 0.1 µF at VCC = 3.3 V ± 0.3 V; C1 = 0.047 µF, C2–C4 = 0.33 µF at VCC = 5 V ± 0.5 V.
(2) All typical values are at VCC = 3.3 V or VCC = 5 V, and TA = 25°C.
Switching Characteristics(1)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
Propagation delay time, low- to high-level output
Propagation delay time, high- to low-level output
Output enable time
TEST CONDITIONS
CL = 150 pF, See Figure 3
TYP(2) UNIT
tPLH
tPHL
ten
150
150
200
200
50
ns
ns
ns
ns
ns
CL = 150 pF, See Figure 3
CL = 150 pF, RL = 3 kΩ, See Figure 4
CL = 150 pF, RL = 3 kΩ, See Figure 4
See Figure 3
tdis
Output disable time
Pulse skew(3)
tsk(p)
(1) Test conditions are C1–C4 = 0.1 µF at VCC = 3.3 V ± 0.3 V; C1 = 0.047 µF, C2–C4 = 0.33 µF at VCC = 5 V ± 0.5 V.
(2) All typical values are at VCC = 3.3 V or VCC = 5 V, and TA = 25°C.
(3) Pulse skew is defined as |tPLH – tPHL| of each channel of the same device.
6
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