DS1225Y DATASHEET PDF

SEMICONDUCTOR. DSY. 64K Nonvolatile SRAM. PIN ASSIGNMENT. FEATURES. 10 years minimum data retention in the absence of external power. CC. DSY Datasheet, DSY 64k Nonvolatile SRAM Datasheet, buy DSY DSY datasheet, DSY pdf, DSY data sheet, datasheet, data sheet, pdf, Dallas Semiconductor, 64K Nonvolatile SRAM.

Author: Melmaran Guzil
Country: Greece
Language: English (Spanish)
Genre: Education
Published (Last): 7 December 2010
Pages: 26
PDF File Size: 14.39 Mb
ePub File Size: 13.17 Mb
ISBN: 975-2-21491-521-7
Downloads: 74381
Price: Free* [*Free Regsitration Required]
Uploader: Mezicage

If the CE high transition occurs prior to or simultaneously with the WE high transition, the output buffers remain in a high-impedance state during this period.

All AC and DC electrical characteristics are valid over the full operating temperature range. The unique address specified by the 13 address inputs A0—A12 defines which of the bytes of data dx1225y to be accessed.

BB designates the week of manufacture.

If the CE low transition occurs simultaneously with or later than the WE low transition in Write Cycle 1, the output buffers remain in a high-impedance state during this period. EDIP de1225y wave or hand soldered only. The later-occurring falling edge of CE or WE will determine the start of the write cycle.

All AC and DC electrical characteristics are valid over the full operating temperature range. As VCC falls below approximately 3.

  ANYA BAST TEMPTED BY TWO PDF

DS1225Y Datasheet PDF

The OE control signal should be kept inactive high during write cycles to avoid bus contention. If the CE high transition occurs prior to or simultaneously with the WE high transition, the output buffers remain in a high impedance state during this period.

Exposure to absolute maximum rating conditions for extended periods of time may affect reliability. Sd1225y address inputs must be kept valid throughout the write cycle. The expected tDR is defined as starting at the date of manufacture. DM Quad 2-Input Exclusive.

Ds1225y datasheet pdf

WE is datasjeet for a read cycle. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability. Under no circumstance are negative undershoots, of any amplitude, allowed when device is in battery backup mode. The expected tDR is defined as starting at the date of manufacture. As VCC falls below approximately datahseet. Documents Flashcards Grammar checker.

There is no limit on the number of write cycles that can be executed and no additional support circuitry is required for microprocessor interfacing.

If the CE ds1225y transition occurs simultaneously with or later than the WE low transition in Write Cycle 1, the output buffers remain in a high impedance state during this period. The unique address specified by the 13 address inputs A0-A12 defines which of the bytes of data is to be accessed.

  ANALYTICA EBC PDF

AA designates the year of manufacture.

DSY+ Maxim | Ciiva

BB designates the week of manufacture. All address inputs must be kept valid throughout the write cycle. The write cycle is terminated by the earlier rising edge of CE or WE. In a power down condition the voltage on any pin may datashheet exceed the voltage on VCC.

During power-up, when VCC rises above approximately 3.

DSY Datasheet(PDF) – Dallas Semiconductor

When such a condition occurs, the lithium energy source is automatically switched on and write protection is unconditionally enabled to prevent data corruption. During power—up, when VCC rises above approximately 3. When such a condition occurs, the lithium energy source is automatically switched on and write protection is unconditionally enabled to prevent data corruption.

WE is high for datashfet read cycle. Under no circumstance are negative undershoots, of any amplitude, allowed when device is in battery backup mode.

WE must return to the high state for a minimum recovery time tWR before another cycle can be initiated. The OE control signal should be kept inactive high during write cycles to avoid bus contention.

All voltages are referenced to ground.