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STLV3243E
15KV ESD PROTECTED 2.3 TO 5.5V, 400KBPS, RS-232 TRANSCEIVER WITH AUTO-POWERDOWN
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ESD PROTECTION FOR RS-232 I/O PINS: 8KV IEC 1000-4-2 CONTACT DISCHARGE 15KV HUMAN BODY MODEL 1A SUPPLY CURRENT ACHIEVED WHEN IN AUTO-POWERDOWN 250Kbps MINIMUM GUARANTEED DATA RATE GUARANTEED 6V/s SLEW RATE RANGE GUARANTEED MOUSE DRIVEABILITY 0.1F EXTERNAL CAPACITORS MEET EIA/TIA-562 SPECIFICATIONS AVAILABLE IN FLIP-CHIP28 PACKAGES
Flip-Chip28
DESCRIPTION The STLV3243E device consists of 3 drivers, 5 receivers and a dual charge-pump circuit. All transmitter outputs and receiver inputs are protected up to 8KV USING IEC 1000-4-2 contact discharge and 15KV using the Human Body Model. The receiver R2 is always active to implement a wake-up feature for serial port. The device is guaranteed to run at data rates of 250kbps while maintaining RS-562 output levels. The Auto-powerdown feature operates when FORCEON is low and FORCEOFF is high. During this operation mode, if the device does not sense a valid RS-562 signal, the driver outputs are Table 1: Order Codes
Type STLV3243EBJR Temperature Range -40 to 85 C
disabled. If FORCEOFF is set low, both drivers and receivers (expert R2B) are shut off, and supply current is reduced to 1A. Disconnecting the serial port or turning off the peripheral drives causes the auto-powerdown condition to occur. Auto-powerdown can be disabled when FORCEON and FORCEOFF are high, and this should be done when driving a serial mouse. With Auto-powerdown enabled, the device is automatically activated when a valid signal is applied to any receiver input. Typical applications are notebooks, PDAs, smart-phones, hand-held equipment, palmtop computers, peripherals, battery-powered equipment, and printers.
Package FLIP-CHIP28 (6x5mm)
Comments 2500 parts per reel
May 2005
Rev. 2
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STLV3243E
Table 2: Pin Description
PlN N A1 A2 A3 A4 A5 A6 B1 B2 B3 B4 B5 B6 C1 C2 C5 C6 D1 D2 D3 D4 D5 D6 E1 E2 E3 E4 E5 E6 SYMBOL R2IN R3IN R4IN R5IN T1OUT T2OUT VR1IN T3OUT T3IN T1IN T2IN C2 + C2R4OUT R5OUT C1 + V+ VCC FORCEON R1OUT R3OUT GND C1FORCEOFF INVALID R2OUTB R2OUT NAME AND FUNCTION Second Receiver Input Voltage Third Receiver Input Voltage Fourth Receiver Input Voltage Fifth Receiver Input Voltage First Transmitter Output Voltage Second Transmitter Output Voltage -5.5V Generated by the Charge Pump First Receiver Input Voltage Third Transmitter Output Voltage Third Transmitter Input Voltage First Transmitter Input Voltage Second Transmitter Input Voltage Positive Terminal of Inverting Charge Pump Capacitor Negative Terminal of Inverting Charge Pump Capacitor Fourth Receiver Output Voltage Fifth Receiver Output Voltage Positive Terminal of Voltage- Charge Pump Capacitor 5.5V Generated by the Charge Pump Supply Voltage Drive high to override automatic circuitry keeping transmitters on (FORCEOFF must be high) First Receiver Output Voltage Third Receiver Output Voltage Ground Negative Terminal of Voltage- Charge Pump Capacitor Drive low to shut down transmitters and on-board power supply. This over-rides all automatic circuitry and FORCEON Output of the valid signal detector. Indicates if a valid RS-232 level is present on receiver inputs logic "1" Non-inverting Complementary Receiver Output, always active for wake-up Second Receiver Output Voltage
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Figure 1: Pin Configuration
FLIP-CHIP 6x5 (bottom view, bumps side)
Table 3: Invalid Truth Table
RS-232 SIGNAL PRESENT AT ANY RECEIVER INPUT YES NO INVALID OUTPUT H L
Table 4: Output Control Truth Table
FORCE ON X 1 0 0 FORCE OFF 0 1 1 1 VALID RECEIVER LEVEL X X YES NO OPERATION STATUS Shutdown (Force OFF) Normal Operating (Force ON) Normal Operating (Auto-powerdown) Shutdown (Auto-powerdown) TOUT HIGH Z ACTIVE ACTIVE HIGH Z ROUT HIGH Z ACTIVE ACTIVE ACTIVE R2OUTB ACTIVE ACTIVE ACTIVE ACTIVE
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Table 5: Absolute Maximum Ratings
Symbol VCC V+ Supply Voltage Doubled Voltage Terminal Parameter Value -0.3 to 6 (VCC -0.3) to 7 0.3 to -7 13 -0.3 to 6 Unit V V V V V 25 13.2 -0.3 to (VCC + 0.3) Continuous -65 to 150 C V V V
VInverted Voltage Terminal V+ +|V-| FORCEON, Input Voltage FORCEOFF, TIN RIN TOUT Receiver Input Voltage Range Transmitter Output Voltage Range
ROUT ROUTB Receiver Output Voltage Range INVALID Short Circuit Duration on TOUT (one at a time) tSHORT Tstg Storage Temperature Range
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied.
Table 6: ESD Performance: Transmitter Outputs, Receiver Inputs
Symbol ESD ESD Parameter ESD Protection Voltage ESD Protection Voltage Test Conditions Human Body Model IEC 1000-4-2 (Contact Discharge) Min. 15 8 Typ. Max. Unit KV KV
Table 7: Electrical Characteristics (C1 - C4 = 0.1F, VCC = 2.3V to 5.5V, TA = -40 to 85C, unless otherwise specified. Typical values are referred to TA = 25C)
Symbol IASHDN Parameter Supply Current Auto-powerdown Shutdown Supply Current Test Conditions FORCEOFF = GND FORCEON = VCC All R_IN open or grounded FORCEON = FORCEOFF = VCC FORCEOFF = GND Min. Typ. 1 0.3 1 Max. 10 1 10 Unit A mA A
ISUPPLY Supply Current ISHDN
Table 8: Logic Input Electrical Characteristics (C1 - C4 = 0.1F, VCC = 2.3V to 5.5V, TA = -40 to 85C, unless otherwise specified. Typical values are referred to TA = 25C)
Symbol VTIL Parameter Input Logic Threshold Low Test Conditions T-IN, FORCEON, FORCEOFF, VCC = 3.0V VCC = 2.3V T-IN, FORCEON, FORCEOFF VCC = 3.0V VCC = 2.3V 2 1.4 0.4 T-IN, FORCEON, FORCEOFF 0.01 1.0 Min. Typ. Max. 0.8 0.5 Unit V V V V V A
VTIH
Input Logic Threshold High
VTHYS IIL
Transmitter Input Hysteresis Input Leakage Current
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Table 9: Receiver Outputs Electrical Characteristics (C1 - C4 = 0.1F, VCC = 2.3V to 5.5V, TA = -40 to 85C, unless otherwise specified. Typical values are referred to TA = 25C)
Symbol IOL VOL VOH Parameter Output Leakage Current Output Voltage Low Output Voltage High Test Conditions Receiver Disabled IOUT = 1.6mA IOUT = -1mA VCC-0.6 VCC-0.1 Min. Typ. 0.05 Max. 10 0.4 Unit A V V
Table 10: Auto-powerdown Electrical Characteristics (C1 - C4 = 0.1F, VCC = 2.3V to 5.5V, TA = -40 to 85C, unless otherwise specified. Typical values are referred to TA = 25C, FORCEON = GND, FORCEOFF = VCC)
Symbol VRITE Parameter Receiver Input Threshold to INVALID Output Voltage HIGH (Fig. 1) Receiver Input Threshold to INVALID Output Voltage LOW (Fig. 1) INVALID Output Voltage LOW INVALID Output Voltage HIGH Receiver or Transmitter Edge Transmitter Enabled (Fig. 1) Receiver Positive or Negative Threshold to INVALID HIGH (Fig. 1) Receiver Positive or Negative Threshold to INVALID LOW (Fig. 1) Test Conditions Positive Threshold Negative Threshold Min. 2.7 -0.3 0.3 Typ. Max. 2.7 Unit V V V
VRITD
VIOL VIOH tWU
IOUT = 1.6mA IOUT = -1mA VCC-0.6 100
0.4
V V s s s
tinvh
0.2
tinvL
30
Table 11: Transmitter Electrical Characteristics (C1 - C4 = 0.1F, VCC = 2.3V to 5.5V, TA = -40 to 85C, unless otherwise specified. Typical values are referred to TA = 25C)
Symbol VTOUT Parameter Output Voltage Swing Test Conditions All Transmitter outputs are loaded with 3K to GND VCC = 3.0V VCC = 2.3V VOUT = Min. Typ. Max. Unit V 3.7 300 4.4 3.9 10M 40 60 25 3.7 mA mA V
ROUT ISC IL VOT
Output Resistance
VCC = V+ = V- = 0V 2V Output Short Circuit Current VCC = 3.3V Output Leakage Current Transmitter Output Voltage
VCC = 0 to 5.5V, transmitter output =12V, transmitter disabled T1IN = T2IN = GND, T3IN = VCC T3OUT loaded with 3K to GND T1OUT and T2OUT loaded with 2.5mA each
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Table 12: Receiver Inputs Electrical Characteristics (C 1 - C4 = 0.1F, VCC = 2.3V to 5.5V, TA = -40 to 85C, unless otherwise specified. Typical values are referred to TA = 25C)
Symbol VRIN VRIL VRIH Parameter Receiver Input Voltage Operating Range RS-232 Input Threshold Low RS-232 Input Threshold High Test Conditions Min. -25 TA = 25C VCC = 3.0V TA = 25C VCC = 2.3V TA = 25C VCC = 3.0V TA = 25C VCC = 2.3V TA = 25C 3 0.6 0.4 1.0 0.8 1.4 1.2 0.5 5 7 2.4 2.0 Typ. Max. 25 Unit V V V V K
VRIHYS Input Hysteresis RRIN Input Resistance
Table 13: Timing Characteristics (C 1 - C4 = 0.1F, VCC = 2.3 to 3V, TA = -40 to 85C, unless otherwise specified. Typical values are referred to TA = 25C)
Symbol DR tPHL tPLH Parameter Maximum Data Rate Test Conditions Min. 250 0.15 60 120 TA = 25C RL = 3K to 7K VCC = 3V measured from +3V to -3V or -3V to +3V CL = 150pF to 1000pF 4 30 Typ. Max. Unit Kbps s ns ns V/s
RL = 3K CL= 1000pF one transmitter switching Receiver Propagation Delay RIN to ROUT CL = 150pF
tT_SKEW Transmitter Skew tR_SKEW Receiver Skew SRT Transition Slew Rate
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Figure 2: Application Circuits
Table 14: Required Minimum Capacitance Value (F)
VCC (V) 2.3 to 3.0 C1 0.1 C2, C3, C4, CBYPASS 0.1
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Figure 3: Autopowerdown Input Levels
Figure 4: Autopowerdown Input Timing
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Figure 5: Data Rate
VCC=2.3V, I O=100mA, C I = 1F(tantalum), CO=10F(tantalum)
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Flip-Chip28 MECHANICAL DATA
mm. DIM. MIN. A A1 A2 b D D1 E E1 e f f1 0.45 0.23 0.80 2.47 2 0.55 0.34 0.91 17.7 9.1 31.5 0.25 3.97 2.5 2.67 97.2 78.7 21.7 13.4 31.8 0.58 0.24 0.65 0.30 0.35 4.17 9.8 156.3 98.4 105.1 TYP MAX. 0.95 MIN. 22.8 9.4 25.6 11.8 13.8 164.2 TYP. MAX. 37.4 mils
7385199/A
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Tape & Reel Flip-Chip28 MECHANICAL DATA
mm. DIM. MIN. A C D N T Ao Bo Ko Po P 2.6 4.1 1.1 3.9 3.9 12.8 20.2 60 18.4 2.8 4.3 1.3 4.1 4.1 0.102 0.161 0.043 0.153 0.153 TYP MAX. 330 13.2 0.504 0.795 2.362 0.882 0.110 0.169 0.051 0.161 0.161 MIN. TYP. MAX. 12.992 0.519 inch
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Table 15: Revision History
Date 02-May-2005 Revision 2 Description of Changes The Packages SOP, SSOP and TSSOP have been obsoleted.
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Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics All other names are the property of their respective owners (c) 2005 STMicroelectronics - All Rights Reserved STMicroelectronics group of companies Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America www.st.com
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