DS12C887+ DATASHEET DOWNLOAD FREE

The falling edge of AS causes the address to be latched within the device. The DS12C adds a century byte at. The DS12C adds a century byte at address 32h. A precision temperature-compensated circuit monitors the status of V CC. If a primary power failure is detected, the device automatically switches to a backup supply. The device is accessed through a multiplexed byte-wide interface, which sup- ports both Intel and Motorola modes. The addresses are presented during the first portion of the bus cycle and latched into the device by the falling edge of AS.

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Pin Configurations and Ordering Information appear at end of data sheet.

The DS12C adds a century byte at address 32h. If a primary power failure is detected, the device. A lithium energy source, quartz crystal, and write-protection circuitry are contained within a 24pin dual in-line package. Data are latched on the rising edge of the signal.

DS12C+ Datasheet (PDF Download) 7/22 Page - Maxim Integrated

The internal oscillator circuitry is designed for operation with a crystal having a 6pF specified load capacitance C L. For all devices, the date at the end of the.

The DS integrates a quartz crystal. When the MOT pin is connected to V. The device is accessed.

DS12C885, DS12C887, DS12C887+

Optional Industrial Temperature Range Available. When connected to V. What comes next is about the dz12c887+ maximum ratings. The devices provide a. When connected to V CCMotorola bus timing is selected.

Maxim Integrated DS12C+ - PDF Datasheet - Real-time Clocks In Stock |

Motorola or Intel Bus Timing Selector. The falling edge of AS causes the address to be latched within the device. The chip-select signal must be asserted low for a bus cycle in the device to be accessed. When connected to GND or.

A century byte was added to memory location 50, ds12c878+, as called out by the PC AT specification. A positive-going address-strobe pulse serves to demultiplex the bus. When connected to GND or left disconnected, Intel bus timing is selected.

The real time clock is distinctive in that time-of-day and memory are maintained even in the absence of power. The DS integrates a quartz crystal and lithium energy source into a pin encapsulated DIP package. The read cycle is terminated and the bus returns to a high- impedance state as DS transitions low in the case of Motorola timing or as DS transitions high in the case of Intel timing. There are some features as follows. It can be uitilized in applications cs12c887+ as embedded systems,utility meters,security systems,network hubs,bridges and routers.

The addresses are presented during the first portion of the bus cycle and latched into the device by the falling edge of AS.

Connections for Standard The functions include a nonvolatile time-of-day clock, an alarm, a one-hundred-year calendar, programmable interrupt, square wave generator, and bytes of nonvolatile static RAM. A precision temperature-compensated circuit monitors the status of V CC. The pin has ddatasheet internal pulldown resistor. If a primary power failure is detected, the device automatically switches to a backup supply.

The internal oscillator circuitry is designed for operation with a crystal having a 6pF specified load capacitance C. Click here to Download. Your buying lead can then be posted, and the reliable suppliers will quote via our online message system or other channels soon.