Maker : Xicor
Part No. : X1288

  Datasheet PDF : X1288.pdf
  Cross Reference : X1288 Cross Reference
  Buy Component : X1288 Find Stock and Price

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Product Information

Preliminary Information New Features Repetitive Alarms & Temperature Compensation 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 Polled Alarms (Non-volatile) — Settable on the Second, Minute, Hour, Day of the Week, Day, or Month — Repeat Mode (periodic interrupts) • Oscillator Compensation on chip — Internal feedback resistor and compensation capacitors — 64 position Digitally Controlled Trim Capacitor — 6 digital-frequency adjustment setting to ±30ppm • CPU Supervisor Functions — Power On Reset, Low Voltage Sense — Watchdog Timer (SW Selectable: 0.25s, 0.75s, 1.75s, off) • Battery Switch or Super Cap Input • 32K x 8 Bits of EEPROM — 128-Byte Page Write Mode — 8 modes of Block Lock™ Protection — Single Byte Write Capability X1288 • 2-Wire™ Interface interoperable with I2C* — 400kHz data transfer rate • Frequency Output (SW Selectable: Off, 1Hz, 100Hz, or 32.768kHz) • Low Power CMOS — 1.25µA Operating Current (Typical) • Small Package Options — 16-Lead SOIC and 14-Lead TSSOP APPLICATIONS • • • • • • • • • • • • • • • Utility Meters HVAC Equipment Audio / Video Components Set Top Box / Television Modems Network Routers, Hubs, Switches, Bridges Cellular Infrastructure Equipment Fixed Broadband Wireless Equipment Pagers / PDA POS Equipment Test Meters / Fixtures Office Automation (Copiers, Fax) Home Appliances Computer Products Other Industrial / Medical / Automotive • High Reliability —Data Retention: 100 years —Endurance: 100,000 cycles per byte BLOCK DIAGRAM OSC Compensation X1 Timer Calendar Logic Battery Switch Circuitry 32.768kHz X2 Oscillator Frequency Divider 1Hz Time Keeping Registers (SRAM) VCC VBACK PHZ/IRQ Select Status Registers (SRAM) Mask SCL SDA Serial Interface Decoder Control Decode Logic Control/ Registers (EEPROM) Alarm Compare Alarm Regs (EEPROM) 256K EEPROM ARRAY 8 RESET Watchdog Timer Low Voltage Reset *I2C is a Trademark of Philips. REV 1.1.30 3/24/04 www.xicor.com 1 of 31 Preliminary Information PIN DESCRIPTIONS X1288 16-pin SOIC X1 X2 NC NC NC NC RESET VSS 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 14-pin TSSOP VCC VBACK PHZ/IRQ NC NC NC SCL SDA NC = No internal connection X1 X2 NC NC NC RESET VSS 1 2 3 4 5 6 7 14 13 12 11 10 9 8 VCC VBACK PHZ/IRQ NC NC SCL SDA ORDERING INFORMATION VCC Range 4.5–5.5V VTRIP Range 4.63V±112mV Package 16L SOIC 14L TSSOP Operating Temperature Range 0–70°C -40–85°C 0–70°C -40–85°C 0–70°C -40–85°C 0–70°C -40–85°C 0–70°C -40–85°C 0–70°C -40–85°C 0–70°C -40–85°C 0–70°C -40–85°C Part Number X1288S16-4.5A X1288S16I-4.5A X1288V14-4.5A X1288V14I-4.5A X1288S16 X1288S16I X1288V14 X1288V14I X1288S16-2.7A X1288S16I-2.7A X1288V14-2.7A X1288V14I-2.7A X1288S16-2.7 X1288S16I-2.7 X1288V14-2.7 X1288V14I-2.7 4.5–5.5V 4.38V±112mV 16L SOIC 14L TSSOP 2.7–5.5V 2.85V±100mV 16L SOIC 14L TSSOP 2.7–5.5V 2.65V±100mV 16L SOIC 14L TSSOP REV 1.1.30 3/24/04 www.xicor.com 2 of 31 Preliminary Information PART MARK INFORMATION 14-Lead TSSOP YWW XXXXX 1288F = 2.7 to 5.5V, 0 to +70°C, VTRIP=2.65V±100mV 1288G = 2.7 to 5.5V, -40 to +85°C, VTRIP=2.65V±100mV 1288AN = 2.7 to 5.5V, 0 to +70°C, VTRIP=2.85V±100mV 1288AP = 2.7 to 5.5V, -40 to +85°C, VTRIP=2.85V±100mV 1288 = 2.7 to 5.5V, 0 to +70°C, VTRIP=4.38V±112mV 1288I = 2.7 to 5.5V, -40 to +85°C, VTRIP=4.38V±112mV 1288AL = 2.7 to 5.5V, 0 to +70°C, VTRIP=4.63V±112mV 1288AM = 2.7 to 5.5V, -40 to +85°C, VTRIP=4.63V±112mV 16-Lead SOIC YWW XXXXX 1288F = 2.7 to 5.5V, 0 to +70°C, VTRIP=2.65V±100mV 1288G = 2.7 to 5.5V, -40 to +85°C, VTRIP=2.65V±100mV 1288AN = 2.7 to 5.5V, 0 to +70°C, VTRIP=2.85V±100mV 1288AP = 2.7 to 5.5V, -40 to +85°C, VTRIP=2.85V±100mV 1288 = 2.7 to 5.5V, 0 to +70°C, VTRIP=4....

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