MAX3238CAIT Maxim Integrated Products, Inc., MAX3238CAIT Datasheet
MAX3238CAIT
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MAX3238CAIT Summary of contents
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Rev 1; 10/02 +3.0V to +5.5V, 1µ 250kbps, True RS-232 Transceiver with AutoShutdown Plus _______________General Description The MAX3238 true RS-232 transceiver achieves a 1µA supply current with Maxim’s revolutionary AutoShutdown Plus™ feature. When the device does not ...
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True RS-232 Transceiver with AutoShutdown Plus ABSOLUTE MAXIMUM RATINGS V ...........................................................................-0. (Note 1) ...............................................................-0.3V to +7V V- (Note 1) ................................................................+0. |V-| (Note 1) .................................................................+13V Input ...
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True RS-232 Transceiver with AutoShutdown Plus ELECTRICAL CHARACTERISTICS (continued +3.0V to +5.5V; C1–C4 = 0.1µF (tested at 3.3V ±5%), C1–C4 = 0.22µF (tested at 3.3V ±10%), C1 = 0.047µF and CC ...
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True RS-232 Transceiver with AutoShutdown Plus __________________________________________Typical Operating Characteristics (V = +3.3V, 250kbps data rate, 0.1µF capacitors, all transmitters loaded with TRANSMITTER OUTPUT VOLTAGE vs. LOAD CAPACITANCE 7.5 V ...
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True RS-232 Transceiver with AutoShutdown Plus Table 1. Output Control Truth Table AUTOSHUTDOWN FORCEON ...
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True RS-232 Transceiver with AutoShutdown Plus POWER FORCEOFF MANAGEMENT FORCEON UNIT OR KEYBOARD INVALID CONTROLLER MAX3238 I/O T4 CPU CHIP WITH UART T5 Figure 1. Interface Under Control of PMU ...
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True RS-232 Transceiver with AutoShutdown Plus Table Truth Table RS-232 SIGNAL PRESENT AT ANY RECEIVER INPUT Yes No ...
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True RS-232 Transceiver with AutoShutdown Plus INVALID HIGH +2.7V INDETERMINATE +0.3V 0V INVALID LOW -0.3V INDETERMINATE -2.7V INVALID HIGH Figure 4a. Receiver Positive/Negative Thresholds for INVALID INVALID REGION * ** RECEIVER INPUTS VOLTAGE ...
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True RS-232 Transceiver with AutoShutdown Plus Power-Supply Decoupling In applications that are sensitive to power-supply noise, decouple V to ground with a capacitor of the same CC value as capacitors C2, C3, and ...
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True RS-232 Transceiver with AutoShutdown Plus T1IN T1OUT R1OUT V = 3.3V 2 s/div 0 1000pF LOAD Figure 7. Loopback Test Result at 120kbps 10 ...
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True RS-232 Transceiver with AutoShutdown Plus __________Typical Operating Circuit 0 C1+ 0 C1- MAX3238 1 C2+ 0 C2- 24 T1IN T1 23 T2IN T2 ...
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True RS-232 Transceiver with AutoShutdown Plus (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages ...