• June 12, 2019

27C PLCC EPROM Datasheet, 27C K ns PLCC EPROM Datasheet, buy 27C EPROM. Microchip 27c EPROM are available at Mouser Electronics. Mouser offers inventory, pricing, & datasheets for Microchip 27c EPROM. 27C 4 Megabit ( K X 8-bit) CMOS EPROM. s Fast access time Available in speed options as fast ns s Low power consumption <10 µA typical CMOS.

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Power consumption is typically 8 mA in active mode and less than At a minimum, a 0. F bulk electrolytic capacitor should be utilized, again.

Two identifier bytes may be selected. The AT27C requires only one 5V power supply in normal read mode operation. Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent dam- age to the device. Product Identification Code electronically identifies the device and manufacturer.

Document Outline

Input AC drive levels are 0. This is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this specification is not implied. Atmel’s AT27C has additional features to ensure high quality and efficient production use. Input Test Waveforms and Measurement Levels. Voltage on Any Pin with Respect to Ground This capacitor should be positioned as.


This feature is used by industry standard programming equipment to select the proper programming algo- rithms and voltages. Any byte can be accessed in less than 70 ns, eliminating the need for speed reducing WAIT states on high-performance microprocessor systems.

Commercial and Industrial Temperature Ranges. OE to Output Delay.

27C PLCC EPROM Datasheet

The device features two-line control CE, OE to eliminate bus contention in high-speed systems. Search field Part name Part description. Output float is defined as the point when data is no longer driven. All Ai inputs are held low V. Additionally, to stabilize the supply voltage level on printed circuit boards with large EPROM arrays, a 4.

The Rapid Programming Algorithm reduces the time required to program the part and guaran- tees reliable programming. Programming time is typically only Voltage on A9 with Respect to Ground Integrated Product Identification Code.

Unless accommodated by the system design, these transients may exceed datasheet limits, resulting in device non-conformance. Refer to Programming Characteristics 3. Atmel’s scaled CMOS technology provides low active power consumption, and fast program- ming.


OE may be delayed up to t. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

Timing measurement references are 0. Address to Output Delay. Switching between active and standby conditions via the Chip Enable pin may produce tran- sient voltage excursions.

AC Characteristics for Read Operation. This capacitor should be connected between the V. CE to Output Delay. Typical values for nominal supply voltage. AC Waveforms for Read Operation. The supply current would then be the sum of I.