MAX3232ECUP+ Maxim Integrated Products, MAX3232ECUP+ Datasheet - Page 11

• Manufacturer Part Number: MAX3232ECUP+
• Description: IC TXRX RS232 250KBPS LP 20TSSOP
• Manufacturer: Maxim Integrated Products
• Type: Transceiverr

Specifications of MAX3232ECUP+

• Number Of Drivers/receivers: 2/2
• Protocol: RS232
• Voltage - Supply: 3 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP
• Propagation Delay Time Ns: 0.15 us
• Operating Supply Voltage: 3 V to 5.5 V
• Supply Current: 0.3 mA
• Operating Temperature Range: 0 C to + 70 C
• Data Rate: 250 Kbps
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 1. MAX3222E/MAX3237E/MAX3241E/
MAX3246E Shutdown and Enable Control
Truth Table
Figure 4a. Human Body ESD Test Model
Figure 5a. IEC 1000-4-2 ESD Test Model
SHDN
±15kV ESD-Protected, Down to 10nA, 3.0V to 5.5V,
VOLTAGE
SOURCE
HIGH-
VOLTAGE
0
0
1
1
SOURCE
DC
HIGH-
DC
CHARGE-CURRENT-
CHARGE-CURRENT-
LIMIT RESISTOR
EN
50MΩ to 100MΩ
0
1
0
1
LIMIT RESISTOR
R
1MΩ
C
150pF
R
impedance
impedance
C
100pF
C s
T_OUT
______________________________________________________________________________________
Active
Active
C s
High
High
STORAGE
CAPACITOR
STORAGE
CAPACITOR
RESISTANCE
DISCHARGE
330Ω
RESISTANCE
1500Ω
DISCHARGE
R
Up to 1Mbps, True RS-232 Transceivers
D
R
D
impedance
impedance
R_OUT
Active
Active
High
High
(MAX3237E/
MAX3241E)
R_OUTB
DEVICE-
UNDER-
Active
Active
Active
Active
TEST
DEVICE-
UNDER-
TEST
ESD protection can be tested in various ways; the
transmitter outputs and receiver inputs for the
MAX3222E/MAX3232E/MAX3241E/MAX3246E are
characterized for protection to the following limits:
• ±15kV using the Human Body Model
• ±8kV using the Contact Discharge method specified
• ±9kV (MAX3246E only) using the Contact Discharge
• ±15kV using the Air-Gap Discharge method speci-
Figure 4b. Human Body Model Current Waveform
Figure 5b. IEC 1000-4-2 ESD Generator Current Waveform
AMPERES
in IEC 1000-4-2
method specified in IEC 1000-4-2
fied in IEC 1000-4-2
t r = 0.7ns to 1ns
I
P
36.8%
100%
90%
10%
0
100%
90%
10%
0
I
t
RL
30ns
CURRENT WAVEFORM
TIME
t
60ns
DL
I r
PEAK-TO-PEAK RINGING
(NOT DRAWN TO SCALE)
t
11