X5325

® X5323, X5325 (Replaces X25323, X25325) Data Sheet October 27, 2005 FN8131.1 CPU Supervisor with 32Kb SPI EEPROM FEATURES • Selectable watchdog timer • Low VCC detection and reset assertion —Five standard reset threshold voltages —Re-program low VCC reset threshold voltage using special programming sequence —Reset signal valid to VCC = 1V • Determine watchdog or low voltage reset with a volatile flag bit • Long battery life with low power consumption — Programmed VTRIP 16 FN8131.1 October 27, 2005 X5323, X5325 VTRIP Programming Specifications VCC = 1.7–5.5V; Temperature = 0°C to 70°C Parameter tVPS tVPH tP tTSU tTHD tWC tRP tVPO VP VTRAN Vta1 Vta2 Vtr Vtv Description SCK VTRIP program voltage setup time SCK VTRIP program voltage hold time VTRIP program pulse width VTRIP level setup time VTRIP level hold (stable) time VTRIP write cycle time VTRIP program cycle recovery period (between successive programming cycles) SCK VTRIP program voltage off time before next cycle Programming voltage VTRIP programed voltage range Initial VTRIP program voltage accuracy (VCC applied-VTRIP) (programmed at 25°C) Subsequent VTRIP program voltage accuracy [(VCC applied-Vta1)-VTRIP] (programmed at 25°C) VTRIP program voltage repeatability (successive program operations) (programmed at 25°C) VTRIP program variation after programming (0–75°C). (programmed at 25°C) Min. 1 1 1 10 10 Max. Unit µs µs µs µs ms 10 10 0 15 1.7 -0.1 -25 -25 -25 18 5.0 +0.4 +25 +25 +25 ms ms ms V V V mV mV mV VTRIP programming parameters are periodically sampled and are not 100% tested. 17 FN8131.1 October 27, 2005 X5323, X5325 TYPICAL PERFORMANCE VCC Supply Current vs. Temperature (ISB) 18 16 14 Reset (seconds) 12 Isb (µA) 10 8 6 4 2 0 -40 25 Temp (°C) 90 Watchdog Timer Off (VCC= 3V, 5V) Watchdog Timer On (VCC = 5V) Watchdog Timer On (VCC = 5V) tWDO vs. Voltage/Temperature (WD1,0 = 1, 1) 1.9 1.8 1.7 1.6 1.5 1.4 1.3 1.2 1.1 1 1.7 2.4 3.1 3.8 Voltage 4.5 5.2 90°C 25°C -40°C VTRIP vs. Temperature (programmed at 25°C) 5.025 5.000 4.975 3.525 Voltage 3.500 3.475 2.525 2.500 2.475 0 25 Temperature 85 VTRIP = 2.5V VTRIP = 3.5V VTRIP = 5V tWDO vs. Voltage/Temperature (WD1, 0 = 1, 0) 0.8 0.75 Reset (seconds) 0.7 0.65 0.6 0.55 0.5 0.45 1.7 2.4 3.1 3.8 Voltage 4.5 5.2 90°C 25°C -40°C tPURST vs. Temperature 205 200 195 tWDO vs. Voltage/Temperature (WD1, 0 0 = 0, 1) 205 200 195 Reset (seconds) 190 185 180 175 170 165 160 1.7 2.4 3.1 3.8 4.5 5.2 90°C 25°C -40°C 190 Time (ms) 185 180 175 170 165 160 -40 25 Degrees °C 90 Voltage 18 FN8131.1 October 27, 2005 X5323, X5325 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° - 8° 0.0075 (0.19) 0.010 (0.25) 0.016 (0.410) 0.037 (0.937) 0.250" 0.050" Typical FOOTPRINT 0.030" Typical 8 Places NOTE: ALL DIMENSIONS IN INCHES (IN PARENTHESES IN MILLIMETERS) 19 FN8131.1 October 27, 2005 X5323, X5325 PACKAGING INFORMATION 8-Lead Plastic Dual In-Line Package Type P 0.430 (10.92) 0.360 (9.14) 0.260 (6.60) 0.240 (6.10) Pin 1 Index Pin 1 0.300 (7.62) Ref. 0.060 (1.52) 0.020 (0.51) Half Shoulder Width On All End Pins Optional Seating Plane 0.150 (3.81) 0.125 (3.18) 0.145 (3.68) 0.128 (3.25) 0.025 (0.64) 0.015 (0.38) 0.065 (1.65) 0.045 (1.14) 0.020 (0.51) 0.016 (0.41) 0.110 (2.79) 0.090 (2.29) .073 (1.84) Max. 0.325 (8.25) 0.300 (7.62) Typ. 0.010 (0.25) 0° 15° NOTE: 1. ALL DIMENSIONS IN INCHES (IN PARENTHESES IN MILLIMETERS) 2. PACKAGE DIMENSIONS EXCLUDE MOLDING FLASH 20 FN8131.1 October 27, 2005 X5323, X5325 PACKAGING INFORMATION 14-Lead Plastic, TSSOP, Package Type V .025 (.65) BSC .169 (4.3) .252 (6.4) BSC .177 (4.5) .193 (4.9) .200 (5.1) .047 (1.20) .0075 (.19) .0118 (.30) .002 (.05) .006 (.15) .010 (.25) Gage Plane 0° - 8° .019 (.50) .029 (.75) Detail A (20X) Seating Plane .031 (.80) .041 (1.05) See Detail “A” NOTE: ALL DIMENSIONS IN INCHES (IN PARENTHESES IN MILLIMETERS) All Intersil U.S. products are manufactured, assembled and tested utilizing ISO9000 quality systems. Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements 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 Intersil or its subsidiaries. For information regarding Intersil Corporation and its products, see www.intersil.com 21 FN8131.1 October 27, 2005