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PCF8583P

Clock/calendar with 240 x 8-bit RAM

GENERALDESCRIPTION ThePCF8583isaclock/calendarcircuitbasedona2048-bitstaticCMOSRAMorganizedas256wordsby8bits.Addressesanddataaretransferredseriallyviathetwo-linebidirectionalI2C-bus.Thebuilt-inwordaddressregisterisincrementedautomaticallyaftereachwritten

PCF8583P

Clock and calendar with 240 x 8-bit RAM

GENERALDESCRIPTION ThePCF8583isaclock/calendarcircuitbasedona2048-bitstaticCMOSRAMorganizedas256wordsby8bits.Addressesanddataaretransferredseriallyviathetwo-linebidirectionalI2C-bus.Thebuilt-inwordaddressregisterisincrementedautomaticallyaftereachwritten

PCF8583P

Clock/calendar with 240 X 8-bit RAM

1FEATURES ·I2C-businterfaceoperatingsupplyvoltage:2.5Vto6V ·Clockoperatingsupplyvoltage(0to+70°C): 1.0Vto6.0V ·240′8-bitlow-voltageRAM ·Dataretentionvoltage:1.0Vto6V ·Operatingcurrent(atfSCL=0Hz):max.50mA ·Clockfunctionwithfouryearcalendar

PCF8583P

帶240 x 8位RAM的時鐘和日歷; I2C-bus interface operating supply voltage: 2.5 V to 6 V\nClock operating supply voltage 1.0 V to 6.0 V at 0 ℃ to +70 ℃\n240 × 8-bit low-voltage RAM\nData retention voltage: 1.0 V to 6.0 V\nOperating current (at fSCL = 0 Hz): max 50 μA\nClock function with four year calendar\nUniversal timer with alarm and overflow indication\n24 hour or 12 hour format\n32.768 kHz or 50 Hz time base\nSerial input and output bus (I2C-bus)\nAutomatic word address incrementing\nProgrammable alarm, timer, and interrupt function\nSlave addresses: A1h or A3h for reading, A0h or A2h for writing\n;

Archived content is no longer updated and is made available for historical reference only.\nThe PCF8583 is a clock and calendar chip, based on a 2048 bit static CMOS1 RAM organized as 256 words by 8 bits. Addresses and data are transferred serially via the two-line bidirectional I2C-bus. The built-in word address register is incremented automatically after each written or read data byte. Address pin A0 is used for programming the hardware address, allowing the connection of two devices to the bus without additional hardware.\nThe built-in 32.768 kHz oscillator circuit and the first 8 bytes of the RAM are used for the clock, calendar, and counter functions. The next 8 bytes can be programmed as alarm registers or used as free RAM space. The remaining 240 bytes are free RAM locations.\n

PCF8583P

Clock and calendar with 240 x 8-bit RAM

PCF8583PF5-112

Clock and calendar with 240 x 8-bit RAM