X1288V14IZ INTERSIL [Intersil Corporation], X1288V14IZ Datasheet

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Data Sheet ™ 2-Wire RTC Real Time Clock/Calendar/CPU Supervisor with EEPROM FEATURES • Real Time Clock/Calendar — Tracks time in Hours, Minutes, Seconds and Hundredths of a Second — Day of the Week, Day, Month, and Year • 2 ...

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... X1288V14Z-2.7* (Note) X1288V ZF X1288V14I-2.7* X1288V G X1288V14IZ-2.7* (Note) X1288V ZG *Add "T1" suffix for tape and reel. NOTE: Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020 ...

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PIN ASSIGNMENTS Pin Number SOIC TSSOP Symbol X1. The X1 pin is the input of an inverting amplifier. An external 32.768kHz quartz crystal is used with the X1288 to supply a timebase for the real time clock. ...

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ABSOLUTE MAXIMUM RATINGS Temperature Under Bias ................... -65°C to +135°C Storage Temperature ........................ -65°C to +150°C Voltage and PHZ/IRQ CC BACK pin (respect to ground) ............................-0.5V to 7.0V Voltage on SCL, SDA, X1 and X2 pin ...

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The device goes into the Timekeeping state 200nS after any stop, except those that initiate a nonvolatile write cycle; t that initiates a nonvolatile write cycle clock cycles after any start that is not followed by the ...

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AC Specifications (T = -40°C to +85°C, VCC = +2.7V to +5.5V, unless otherwise specified.) A Symbol f SCL Clock Frequency SCL t Pulse width Suppression Time at inputs IN t SCL LOW to SDA Data Out Valid AA t ...

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Power-up Timing Symbol (1) t Time from Power-up to Read PUR (1) t Time from Power-up to Write PUW Notes: (1) Delays are measured from the time V V slew rate should be between 0.2mV/µsec and 50mV/µsec. CC (2) Typical ...

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V Programming Timing Diagram TRIP TRIP RESET VPS SCL SDA AEh V Programming Parameters TRIP Parameter t V Program Enable Voltage Setup time VPS TRIP ...

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The device offers a backup power input pin. This V pin allows the device to be backed up by battery or SuperCap. The entire X1288 device is fully operational from 2.7 to 5.5 volts and the clock/calendar portion of the ...

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Reading the Real Time Clock The RTC is read by initiating a Read command and specifying the address corresponding to the register of the Real Time Clock. The RTC Registers can then be read in a Sequential Read Mode. Since ...

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Table 1. Clock/Control Memory Map Reg Addr. Type Name 7 003F Status SR BAT 0037 RTC SSEC SS23 (SRAM) 0036 DW 0 0035 YR Y23 0034 MO 0 0033 DT 0 0032 HR MIL 0031 MN 0 0030 SC 0 ...

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MIL=1), DT (Date 31, MO (Month 12, YR (Year 99. The SSEC register is read-only. Date of the Week Register (DW) This register provides ...

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CONTROL REGISTERS The Control Bits and Registers, described under this section, are nonvolatile. Block Protect Bits - BP2, BP1, BP0 The Block Protect Bits, BP2, BP1 and BP0, determine which blocks of the array are write protected. A write to ...

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Table 6. Digital Trimming Registers DTR Register Estimated frequency DTR2 DTR1 DTR0 Analog Trimming Register (ATR) ...

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RSP t <t RSP SCL SDA RESET Start Note: All inputs are ignored during the active reset period (t LOW VOLTAGE RESET OPERATION When a power failure occurs, and the voltage to the part drops below a fixed v ...

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V TRIP PURST t R RESET FIGURE 5. POWER-ON RESET AND LOW VOLTAGE RESET RESET SCL SDA AEh Note: BP0, BP1, BP2 must be disabled. FIGURE 6. ...

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SCL SDA FIGURE 9. VALID START AND STOP CONDITIONS SCL from Master Data Output from Transmitter Data Output from Receiver Start FIGURE 10. ACKNOWLEDGE RESPONSE FROM RECEIVER Device Identifier Array CCR 0 ...

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Signals from the Master SDA Bus Signals From The Slave . 7 Bytes Address = 6 FIGURE 13. WRITING 30 BYTES TO A 128-BYTE MEMORY PAGE STARTING AT ADDRESS 105 SERIAL COMMUNICATION Interface Conventions The device supports a bidirectional bus ...

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The device will terminate further data transmissions if an acknowledge is not detected. The master must then issue a stop condition to return the device to Standby mode and place the device into a known ...

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S t Signals from a the Master Slave r Address t SDA Bus 1 Signals from the Slave ation, all inputs are disabled until completion of the internal write cycle. Refer to Figure 14 for the address, acknowledge, and data ...

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Byte load completed by issuing STOP. Enter ACK Polling Issue START Issue Slave Address Byte (Read or Write) NO ACK returned? YES NO nonvolatile write Cycle complete. Continue command sequence? YES Continue normal Read or Write command sequence PROCEED FIGURE ...

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S t Signals from a the Master r t SDA Bus 1 Signals from the Slave Slave Signals from Address the Master SDA Bus Signals from the Slave APPLICATION SECTION CRYSTAL OSCILLATOR AND TEMPERATURE COMPENSATION Intersil has now integrated the ...

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Table 7. Crystal Parameters Required for Intersil RTC’s Parameter Frequency Freq. Tolerance Turnover Temperature Operating Temperature Range Parallel Load Capacitance Equivalent Series Resistance Table 8. Crystal Manufacturers Manufacturer Part Number Citizen CM201, CM202, CM200S Epson MC-405, MC-406 Raltron RSM-200S-A or ...

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X1 and X2 pins. Also, minimizing the switch- ing current at this pin by careful selection of the pullup resistor value will reduce noise. Intersil suggests a minimum value of 5.1k for 32.768kHz, and higher val- ues (i.e. ...

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The summary of conditions for backup battery operation is given in Table 9: Table 9. Battery Backup Operation 1. Example Application, Vcc=5V, Vback=3.0V Condition a. Normal Operation b. Vcc on with no battery c. Backup Mode 2. Example Application, Vcc=3.3V,Vback=3.0V ...

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PACKAGING INFORMATION 0° - 8° See Detail “A” NOTE: ALL DIMENSIONS IN INCHES (IN PARENTHESES IN MILLIMETERS) 26 X1288 14-Lead Plastic, TSSOP, Package Code V14 .025 (.65) BSC .169 (4.3) .177 (4.5) .193 (4.9) .200 (5.1) .0075 (.19) .002 (.05) ...

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PACKAGING INFORMATION 16-Lead Plastic, SOIC (300-mil body), Package Code S16 PIN 1 INDEX PIN 1 (4X) 7° 0.050 (1.27) 0.010 (0.25) 0.020 (0.50) 0° – 8° 0.015 (0.40) 0.050 (1.27) NOTE: ALL DIMENSIONS IN INCHES (IN PARENTHESES IN MILLIMETERS) All ...