Details, datasheet, quote on part number: MAX247C
PartMAX247C
CategoryCommunication => Transeivers
Description+5V Powered, Multichannel RS-232 Driver Receivers
CompanyMaxim Integrated Products
DatasheetDownload MAX247C datasheet
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Features, Applications

The MAX220MAX249 family of line drivers/receivers is intended for all EIA/TIA-232E and V.28/V.24 communications interfaces, particularly applications where 12V is not available. These parts are especially useful in battery-powered systems, since their low-power shutdown mode reduces power dissipation to less than 5W. The MAX233, MAX235, and MAX245/MAX246/MAX247 use no external components and are recommended for applications where printed circuit board space is critical.

o Operate from Single +5V Power Supply (+5V and +12V--MAX231/MAX239) o Low-Power Receive Mode in Shutdown (MAX223/MAX242) o Meet All EIA/TIA-232E and V.28 Specifications o Multiple Drivers and Receivers o 3-State Driver and Receiver Outputs o Open-Line Detection (MAX243)

Portable Computers Low-Power Modems Interface Translation Battery-Powered RS-232 Systems Multidrop RS-232 Networks

TEMP RANGE to +125C PIN-PACKAGE 16 Plastic DIP 16 Narrow SO 16 Wide SO Dice* 16 Plastic DIP 16 Narrow SO 16 Wide SO 16 CERDIP 16 CERDIP

Ordering Information continued at end of data sheet. *Contact factory for dice specifications.

Part Number MAX248 MAX249 Power Supply (V) and +7.5 to and +7.5 to No. of RS-232 Drivers/Rx No. of Ext. Caps Nominal Cap. Value (F) SHDN & ThreeState No Yes No Yes No Yes No Yes Rx Active in SHDN Data Rate (kbps) Features Ultra-low-power, industry-standard pinout Low-power shutdown MAX241 and receivers active in shutdown Available SO 5 drivers with shutdown Standard +5/+12V or battery supplies; same functions as MAX232 Industry standard Higher slew rate, small caps No external caps No external caps, high slew rate Replaces 1488 No external caps Shutdown, three state Complements IBM PC serial port Replaces 1488 and 1489 Standard +5/+12V or battery supplies; single-package solution for IBM PC serial port DIP or flatpack package Complete IBM PC serial port Separate shutdown and enable Open-line detection simplifies cabling High slew rate High slew rate, int. caps, two shutdown modes High slew rate, int. caps, three shutdown modes High slew rate, int. caps, nine operating modes High slew rate, selective half-chip enables Available in quad flatpack package

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! 1-888-629-4642, or visit Maxim's website at www.maxim-ic.com.

Supply Voltage to +6V Input Voltages TIN..............................................................-0.3V to (VCC - 0.3V) RIN (Except MAX220)........................................................30V RIN (MAX220).....................................................................25V TOUT (Except MAX220) (Note 1).......................................15V TOUT (MAX220)...............................................................13.2V Output Voltages ROUT.........................................................-0.3V to (VCC + 0.3V) Driver/Receiver Output Short Circuited to GND.........Continuous Continuous Power Dissipation (TA +70C) 16-Pin Plastic DIP (derate 10.53mW/C above +70C)....842mW 18-Pin Plastic DIP (derate 11.11mW/C above +70C)....889mW 20-Pin Plastic DIP (derate 8.00mW/C above +70C)..440mW 16-Pin Narrow SO (derate 8.70mW/C above +70C)...696mW 16-Pin Wide SO (derate 9.52mW/C above +70C)......762mW 18-Pin Wide SO (derate 9.52mW/C above +70C)......762mW 20-Pin Wide SO (derate 10.00mW/C above +70C)....800mW 20-Pin SSOP (derate 8.00mW/C above +70C)..........640mW 16-Pin CERDIP (derate 10.00mW/C above +70C).....800mW 18-Pin CERDIP (derate 10.53mW/C above +70C).....842mW Operating Temperature Ranges MAX2_ _AC_ MAX2_ _C_ +70C MAX2_ _AE_ MAX2_ _E_ +85C MAX2_ _AM_ MAX2_ _M_ to +125C Storage Temperature to +160C Lead Temperature (soldering, 10s).................................+300C

Note 1: Input voltage measured with TOUT in high-impedance state, SHDN or VCC = 0V. Note 2: For the MAX220, V+ and V- can have a maximum magnitude of 7V, but their absolute difference cannot exceed 13V.

Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

(VCC TA = TMIN to TMAX, unless otherwise noted.) PARAMETER RS-232 TRANSMITTERS Output Voltage Swing Input Logic Threshold Low Input Logic Threshold High Logic Pull-Up/lnput Current Output Leakage Current Data Rate Transmitter Output Resistance Output Short-Circuit Current RS-232 RECEIVERS RS-232 Input Voltage Operating Range RS-232 Input Threshold Low RS-232 Input Threshold High RS-232 Input Hysteresis RS-232 Input Resistance TTL/CMOS Output Voltage Low TTL/CMOS Output Voltage High TTL/CMOS Output Short-Circuit Current IOUT = 3.2mA IOUT = -1.0mA Sourcing VOUT = GND Shrinking VOUT = VCC -2 10 VCC = 5V VCC = 5V All except MAX243 R2IN (Note 2) All except MAX243 R2IN (Note VCC mA VCC = 0V, VOUT = 2V VOUT 300 7 All devices except MAX220 MAX220: VCC = 5.0V All except MAX220, normal operation SHDN 0V, MAX222/242, shutdown, MAX220 VCC = 5.5V, SHDN = 0V, VOUT 15V, MAX222/242 VCC = SHDN = 0V, VOUT 15V 10M All transmitter outputs loaded with 3k to GND V A kbps mA CONDITIONS MIN TYP MAX UNITS

(VCC TA = TMIN to TMAX, unless otherwise noted.) PARAMETER TTL/CMOS Output Leakage Current EN Input Threshold Low EN Input Threshold High Operating Supply Voltage VCC Supply Current (SHDN = VCC), Figures No load 3k load both inputs = +25C Shutdown Supply Current to +125C SHDN Input Leakage Current SHDN Threshold Low SHDN Threshold High to 7k, VCC = +25C, measured from +3V MAX222/232A/233A/242/243 tPHLT MAX220 tPLHT tPHLR tPLHR tPHLS tPLHS MAX222/242, 0.1F caps (includes charge-pump start-up) MAX222/242, 0.1F caps MAX222/232A/233A/242/243 MAX220 V/s ns s CONDITIONS SHDN = VCC EN = VCC (SHDN = 0V for MAX222), 0V VOUT VCC V A MIN TYP mA MAX 10 0.8 UNITS A V

Transmitter Propagation Delay TLL to RS-232 (Normal Operation), Figure 1

Receiver Propagation Delay RS-232 to TLL (Normal Operation), Figure 2 Receiver Propagation Delay RS-232 to TLL (Shutdown), Figure 2

Receiver-Output Enable Time, Figure 3 tER Receiver-Output Disable Time, Figure 3 tDR Transmitter-Output Enable Time (SHDN Goes High), Figure 4 Transmitter-Output Disable Time (SHDN Goes Low), Figure 4 Transmitter to - Propagation Delay Difference (Normal Operation) Receiver to - Propagation Delay Difference (Normal Operation) tET tDT tPHLT - tPLHT tPHLR - tPLHR


 

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