MAX232, MAX232I
DUAL EIA-232 DRIVER/RECEIVER
SLLS047G – FEBRUARY 1989 – REVISED AUGUST 1998
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature range (unless otherwise noted)
PARAMETER
VOH
VOL
VIT+
VIT–
Vhys
ri
ro
IOS§
IIS
ICC
High-level out ut voltage
output
Low-level
Low level output voltage‡
Receiver positive-going input
threshold voltage
Receiver negative-going input
threshold voltage
Input hysteresis voltage
Receiver input resistance
Output resistance
Short-circuit output current
Short-circuit input current
Supply current
T1OUT, T2OUT
R1OUT, R2OUT
T1OUT, T2OUT
R1OUT, R2OUT
R1IN, R2IN
R1IN, R2IN
R1IN, R2IN
R1IN, R2IN
T1OUT, T2OUT
T1OUT, T2OUT
T1IN, T2IN
TEST CONDITIONS
RL = 3 kΩ to GND
IOH = – 1 mA
RL = 3 kΩ to GND
IOL = 3.2 mA
VCC = 5 V,
VCC = 5 V,
VCC = 5 V
VCC = 5,
VS+ = VS – = 0,
VCC = 5.5 V,
VI = 0
VCC = 5.5 V,
TA = 25°C
TA = 25°C
TA = 25°C
0.8
0.2
TA = 25°C
VO =
±
2 V
VO = 0
All outputs open,
3
300
±10
200
8
10
1.7
1.2
0.5
5
1
7
MIN
5
3.5
–7
–5
0.4
2.4
V
V
V
V
kΩ
Ω
mA
µA
mA
TYP†
7
MAX
UNIT
V
† All typical values are at VCC = 5 V, TA = 25°C.
‡ The algebraic convention, in which the least positive (most negative) value is designated minimum, is used in this data sheet for logic voltage
levels only.
§ Not more than one output should be shorted at a time.
switching characteristics, V
CC
= 5 V, T
A
= 25°C
PARAMETER
tPLH(R)
tPHL(R)
SR
SR(tr)
Receiver propagation delay time, low- to high-level output
Receiver propagation delay time, high- to low-level output
Driver slew rate
Driver transition region slew rate
TEST CONDITIONS
See Figure 1
See Figure 1
RL = 3 kΩ to 7 kΩ,
See Figure 2
See Figure 3
3
MIN
TYP
500
500
30
MAX
UNIT
ns
ns
V/µs
V/µs
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
3
TI [ TEXAS INSTRUMENTS ]
