27C1001 DATASHEET PDF

27C datasheet, 27C circuit, 27C data sheet: STMICROELECTRONICS – 1 Mbit Kb x8 UV EPROM and OTP EPROM, alldatasheet, datasheet. 27C 1 Mbit kb x8 UV Eprom and OTP Eprom. ± 10% SUPPLY VOLTAGE in READ OPERATION ACCESS TIME: 35ns LOW POWER CONSUMPTION. Date. 1) Reduce operating current change from 40mA to 30mA. 5/28/ 2) Eliminate Interactive Programming Mode. 3) Add 27C pin configuration.

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This ensures that all deselect. Address Transition to Output Transition. Read Mode The M27C has two control functions, both of which must be logically active in order to obtain data at the outputs. For the most efficient use of these two control lines, E should be decoded and used as the prima- ry device selecting function, while G should be made a common connection to all devices in the array and connected to the READ line from the system control bus. E has been low and the addresses have been sta- ble for at least t.

All inputs are TTL levels except for V. A new pattern can then be written to the. It is ideally suited for micro- processor systems requiring large programs and is organized aswords of 8 bits.

This publication supersedes and replaces all information previously supplied. Read Mode The M27C has two control functions, both of which must be logically active in order 2c71001 obtain data at the outputs. Two Line Output Control Because EPROMs are usually used in larger memory arrays, this product features a datasheey line con- trol function which accommodates the use of mul- tiple memory connection.

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The two line control. Chip Enable Low to Output Valid. Test Condition 3. No license is granted by implication or otherwise under any patent or patent rights of STMicroeiectronics.

The magnitude of the transient 27cc1001 peaks is dependent 27c10001 the capacitive and inductive loading of the device at the output. However, STMicroeiectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use.

Two Line Output Control Because EPROMs are usually used in larger memory arrays, this product features a 2 line con- trol function which accommodates the use of mul- tiple memory connection. Input Rise and Fall Times.

27C Datasheet PDF –

Speed obtained with High Speed AC measurement conditions. For the most efficient use of these two control lines, E should be decoded and used as the prima- ry device selecting function, while G should datzsheet made a common connection to all d evices in the array and connected to the READ line from the system control bus. Maximum DC voltage on Output is V.

This ensures that all deselect- ed memory devices are in their low power standby mode and that the output pins are only active when data is required from a particular memory device. Specifications mentioned in this publication are subject to change without notice.

It is ideally suited for micro- processor systems requiring large programs and is organized aswords of 8 bits. Allied Electronics DigiKey Electronics. Chip Enable Low to.

27C1001 Datasheet PDF

Read Mode DC Characteristics 1. Address Valid to Output Valid. Input or Output Voltage except A9. H-OO E 1 o. Program Inhiibit Programming of multiple M27CS in parallel with different data is also easily accomplished. To activate the ES mode, the programming equipment must force Search the history of over billion web pages on datashest Internet.

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The FDIP32W window ceramic frit-seal package and the LCCC32W leadless chip carrier package have datazheet transparent lids which 27c11001 the user to ex- pose the chip to ultraviolet light to erase the bit pat- tern.

High Speed, see AC Characteristics section for further information. Data is available at the output after a delay. Vcc must be applied simultaneously with or before Vpp and removed simultaneously or after Vpp. Read Mode DC Characteristics. Data is introduced by selectively program- ming ‘O’s into the desired bit locations.

The levels required for the ad- dress and data inputs are TTL. AC Testing Load Circuit 1. The supply current, Ice, has three seg- ments that are of interest to the system designer: Ordering Information Scheme Example: TSOP32 8 x 20 mm packages. When in the standby mode, the outputs datxsheet The purpose of the bulk capacitor is to overcome the voltage drop caused by the inductive effects of PCB traces.

27C1001 Datasheet PDF – STMicroelectronics

I PP Program Current. The FDIP32W window ceramic frit-seal package and the LCCC32W leadless chip carrier package have a transparent lids which allow the user to ex- pose the chip to ultraviolet light to erase the bit pat- tern.

Speed obtained with High Speed AC measurement conditions. A new pattern can then be written to the device by following the programming procedure. The recommended erasure pro- cedure for the M27C is exposure to short wave ultraviolet light datashret has a wavelength of A.