X4285S8

X4283/85 128K 16K x 8 Bit CPU Supervisor with 128K EEPROM FEATURES DESCRIPTION • Selectable watchdog timer • Low VCC detection and reset assertion —Four standard reset threshold voltages —Adjust low VCC reset threshold voltage using special programming sequence —Reset signal valid to VCC = 1V • Low power CMOS —tWDO tRST tRST SCL SDA RESET Note: All inputs are ignored during the active reset period (tRST). REV 1.21 2/11/04 www.xicor.com Characteristics subject to change without notice. 17 of 22 X4283/85 RESET Output Timing Symbol tWDO tRST Parameter Min. Typ. Max. Unit Watchdog Time Out Period, WD1 = 1, WD0 = 1 (factory setting) WD1 = 1, WD0 = 0 WD1 = 0, WD0 = 1 WD1 = 0, WD0 = 0 100 450 1 OFF 250 650 1.5 400 850 2 ms ms sec Reset Time Out 100 250 400 ms VTRIP Programming Timing Diagram (WEL = 1) VCC (VTRIP) VTRIP tTSU tTHD VP WP tVPH tVPS tVPO SCL tRP SDA A0h 00h 01h or 03h 00h VTRIP Programming Parameters Parameter Description Min. Max. Unit tVPS VTRIP Program Enable Voltage Setup time 1 µs tVPH VTRIP Program Enable Voltage Hold time 1 µs tTSU VTRIP Setup time 1 µs tTHD VTRIP Hold (stable) time 10 ms tWC VTRIP Write Cycle Time tVPO VTRIP Program Enable Voltage Off time (Between successive adjustments) 0 µs tRP VTRIP Program Recovery Period (Between successive adjustments) 10 ms VP Programming Voltage 15 18 V VTRIP Programmed Voltage Range 2.55 4.75 V VTRIP Program variation after programming (0–75°C). (Programmed at 25°C.) -25 +25 mV VTRAN Vtv 10 ms VTRIP programming parameters are periodically sampled and are not 100% tested. REV 1.21 2/11/04 www.xicor.com Characteristics subject to change without notice. 18 of 22 X4283/85 PACKAGING INFORMATION 8-Lead Plastic Small Outline Gull Wing Package Type S 0.150 (3.80) 0.228 (5.80) 0.158 (4.00) 0.244 (6.20) Pin 1 Index Pin 1 0.014 (0.35) 0.019 (0.49) 0.188 (4.78) 0.197 (5.00) (4X) 7° 0.053 (1.35) 0.069 (1.75) 0.004 (0.19) 0.010 (0.25) 0.050 (1.27) 0.010 (0.25) X 45° 0.020 (0.50) 0.050"Typical 0.050" Typical 0° - 8° 0.0075 (0.19) 0.010 (0.25) 0.250" 0.016 (0.410) 0.037 (0.937) 0.030" Typical 8 Places FOOTPRINT NOTE: ALL DIMENSIONS IN INCHES (IN PARENTHESES IN MILLIMETERS) REV 1.21 2/11/04 www.xicor.com Characteristics subject to change without notice. 19 of 22 X4283/85 PACKAGING INFORMATION 8-Lead Plastic, TSSOP, Package Type V .025 (.65) BSC .169 (4.3) .252 (6.4) BSC .177 (4.5) .114 (2.9) .122 (3.1) .047 (1.20) .0075 (.19) .0118 (.30) .002 (.05) .006 (.15) .010 (.25) Gage Plane 0° – 8° Seating Plane .019 (.50) .029 (.75) (4.16) (7.72) Detail A (20X) (1.78) .031 (.80) .041 (1.05) (0.42) (0.65) All Measurements Are Typical See Detail “A” NOTE: ALL DIMENSIONS IN INCHES (IN PARENTHESES IN MILLIMETERS) REV 1.21 2/11/04 www.xicor.com Characteristics subject to change without notice. 20 of 22 X4283/85 Ordering Information VCC Range VTRIP Range Package 4.5-5.5V 4.5-4.75 8L SOIC 8L TSSOP 4.5-5.5V 4.25-4.5 8L SOIC 8L TSSOP 2.7-5.5V 2.85-3.0 8L SOIC 8LTSSOP 2.7-5.5V 2.55-2.7 8L SOIC 8L TSSOP Operating Temperature Range Part Number RESET (Active LOW) Part Number RESET (Active HIGH) 0°C–70°C X4283S8–4.5A X4285S8–4.5A -40°C–85°C X4283S8I–4.5A X4285S8I–4.5A 0°C–70°C X4283V8–4.5A X4285V8–4.5A -40°C–85°C X4283V8I–4.5A X4285V8I–4.5A 0°C–70°C X4283S8 X4285S8 -40°C–85°C X4283S8I X4285S8I 0°C–70°C X4283V8 X4285V8 -40°C–85°C X4283V8I X4285V8I 0°C–70°C X4283S8–2.7A X4285S8–2.7A -40°C–85°C X4283S8I–2.7A X4285S8I–2.7A 0°C–70°C X4283V8–2.7A X4285V8–2.7A -40°C–85°C X4283V8I–2.7A X4285V8I–2.7A 0°C–70°C X4283S8–2.7 X4285S8–2.7 -40°C–85°C X4283S8I–2.7 X4285S8I–2.7 0°C–70°C X4283V8–2.7 X4285V8–2.7 -40°C–85°C X4283V8I–2.7 X4285V8I–2.7 Part Mark Information 8-Lead SOIC 8-Lead TSSOP X4283/85 X XX EYWW XXXXX AL = –4.5A (0 to +70°C) AM = –4.5A (-40 to +85°C) Blank = No Suffix (0 to +70°C) I = No Suffix (-40 to +85°C) AN = –2.7A (0 to +70°C) AP = –2.7A (-40 to +85°C) F = –2.7 (0 to +70°C) G = –2.7 (-40 to +85°C) ADB/ADK = –4.5A (0 to +70°C) ADD/ADM = No Suffix (0 to +70°C) ADF/ADO = –2.7A (0 to +70°C) ADH/ADQ = –2.7 (0 to +70°C) 4283/4285 REV 1.21 2/11/04 Blank = 8-Lead SOIC www.xicor.com Characteristics subject to change without notice. 21 of 22 X4283/85 LIMITED WARRANTY ©Xicor, Inc. 2004 Patents Pending Devices sold by Xicor, Inc. are covered by the warranty and patent indemnification provisions appearing in its Terms of Sale only. Xicor, Inc. makes no warranty, express, statutory, implied, or by description regarding the information set forth herein or regarding the freedom of the described devices from patent infringement. Xicor, Inc. makes no warranty of merchantability or fitness for any purpose. Xicor, Inc. reserves the right to discontinue production and change specifications and prices at any time and without notice. Xicor, Inc. assumes no responsibility for the use of any circuitry other than circuitry embodied in a Xicor, Inc. product. No other circuits, patents, or licenses are implied. TRADEMARK DISCLAIMER: Xicor and the Xicor logo are registered trademarks of Xicor, Inc. AutoStore, Direct Write, Block Lock, SerialFlash, MPS, and XDCP are also trademarks of Xicor, Inc. All others belong to their respective owners. U.S. PATENTS Xicor products are covered by one or more of the following U.S. Patents: 4,326,134; 4,393,481; 4,404,475; 4,450,402; 4,486,769; 4,488,060; 4,520,461; 4,533,846; 4,599,706; 4,617,652; 4,668,932; 4,752,912; 4,829,482; 4,874,967; 4,883,976; 4,980,859; 5,012,132; 5,003,197; 5,023,694; 5,084,667; 5,153,880; 5,153,691; 5,161,137; 5,219,774; 5,270,927; 5,324,676; 5,434,396; 5,544,103; 5,587,573; 5,835,409; 5,977,585. Foreign patents and additional patents pending. LIFE RELATED POLICY In situations where semiconductor component failure may endanger life, system designers using this product should design the system with appropriate error detection and correction, redundancy and back-up features to prevent such an occurrence. Xicor’s products are not authorized for use in critical components in life support devices or systems. 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and whose failure to perform, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user. 2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. REV 1.21 2/11/04 www.xicor.com Characteristics subject to change without notice. 22 of 22