27C64 datasheet, 27C64 pdf, 27C64 data sheet, datasheet, data sheet, pdf, Microchip, 64K (8K x 8) CMOS EPROM. 27C64 64k (8k X 8) CMOS EPROM FEATURES. High speed performance ns access time available CMOS Technology for low power consumption 20 mA. The 27C64 specified on this data sheet is fully compliant with MIL-STD Revision C. Features. Y Clocked sense amps for fast access time down to. ns .

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27C64 Datasheet PDF

CMOS Technology for low power consumption. Auto ID aids automated programming. Separate chip enable and output enable controls. High speed “express” programming algorithm. Organized 8K x 8: Available for the following temperature ranges. The Microchip Technology Inc. The device is organized as 8K words by 8 bits 8K. Accessing individual bytes from an address. A complete family of packages is offered to provide the.

For surface mount appli. V CC and input voltages w. V PP voltage w. Voltage on A9 datasheett. Stresses above those listed under “Maximum Ratings”. This is a stress rat. No Connection; No Internal Connec. Exposure to maximum rating con. I PP Read Current.

V 27×64 Read Voltage.

Typical active current increases. Input Rise and Fall Times: Address to Output Delay. CE to Output Delay. OE to Output Delay. Address CE or OE. V PP Current, program.

Program Pulse Width 1. Data Valid from OE. For express algorithm, initial programming width tolerance is ? Output float is defined as the point where data is no. For Read operations, if the addresses are stable, the. CE to output t CE. Data is transferred to the output.


Read Mode is accessed when. The standby mode is defined when the CE pin is high. After the array has been programmed it must be veri. VIH and a program mode is not defined. This mode is entered when all the following. When these conditions are met, 276c4 supply current will.

27C64 Datasheet pdf – 64K (8K x 8) CMOS EPROM – Microchip

V CC is at the proper level. V PP is at the proper V H level. This feature eliminates bus contention in microproces. The outputs go into a high impedance state.

When programming multiple devices in parallel with dif. Windowed products offer the capability to erase the. The memory matrix is erased to the all. This means that the device window must be. In this mode, specific data is output satasheet identifies the.

This mode is entered when Pin A9 is taken to V H. The Express Algorithm has been developed to improve. A0 is used to access any of the two non-erasable bytes. Up to ten microsecond pulses are. A flowchart of the express algorithm is. Programming takes place when: V CC is brought to the proper voltage. V PP is brought to the proper V H level. Since the erased state is “1” in the array, programming.

The address to be programmed is set.

When data and address are sta. PGM dxtasheet programs that location. To order or to obtain information, e. Note the following details of the code protection feature on Microchip devices: Microchip products meet the specification contained in their particular Microchip Data Sheet.

Microchip believes that its family of products is one of the most secure families dattasheet its kind on the market today, when used in the. There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our. Most likely, the person doing so is engaged in theft of intellectual property. Microchip is willing to work with the customer who is concerned about the integrity of their code. Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code.


Code protection does not. Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of dztasheet. Attempts to break Microchip’s code protection feature may be a violation of the Digital Millennium Copyright Act.

Information contained in this publication regarding dataaheet.

The Microchip name and logo, the Microchip logo, Accuron. It is your responsibility to. No representation or warranty is given and no liability is. Use of Microchip’s products as critical. Incorporated datasheef the U.

SmartTel and Total Endurance are trademarks of Microchip. Technology Incorporated in the U. All other trademarks mentioned herein are property of their. Printed on recycled paper.

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27C64 – 27C64 64K EPROM Datasheet

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