Product Summary
The AT29C256-90JI is a five-volt-only in-system Flash programmable and erasable read only memory (PEROM). Its 256K of memory is organized as 32,768 words by 8 bits. Manufactured with Atmel’s advanced nonvolatile CMOS technology, the AT29C256-90JI offers access times to 70 ns with power dissipation of just 275 mW. When the device is deselected, the CMOS standby current is less than 300 μA. The AT29C256-90JI endurance is such that any sector can typically be written to in excess of 10,000 times.
Parametrics
AT29C256-90JI absolute maximum ratings: (1)Temperature Under Bias: -55℃ to +125℃; (2)Storage Temperature: -65℃ to +150℃; (3)All Input Voltages (including NC Pins) with Respect to Ground: -0.6V to +6.25V; (4)All Output Voltages with Respect to Ground: -0.6V to VCC + 0.6V; (5)Voltage on OE with Respect to Ground: -0.6V to +13.5V.
Features
AT29C256-90JI features: (1)Fast Read Access Time ?70 ns; (2)5-volt Only Reprogramming; (3)Page Program Operation: Single Cycle Reprogram (Erase and Program), Internal Address and Data Latches for 64 Bytes; (4)Internal Program Control and Timer; (5)Hardware and Software Data Protection; (6)Fast Program Cycle Times: Page (64 Byte) Program Time-10 ms, Chip Erase Time-10 ms; (7)DATA Polling for End of Program Detection; (8)Low-power Dissipation: 50 mA Active Current, 300 μA CMOS Standby Current; (9)Typical Endurance > 10,000 Cycles; (10)Single 5V ±10% Supply; (11)CMOS and TTL Compatible Inputs and Outputs; (12)Commercial and Industrial Temperature Ranges
Diagrams
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![]() AT29C256-90JI |
![]() Atmel |
![]() Flash 256k (32kx8) |
![]() Data Sheet |
![]() Negotiable |
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![]() AT29BV010A |
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![]() AT29BV010A-12JC |
![]() Atmel |
![]() Flash 1M (128K X 8) 2.7V- 120NS COM TEMP |
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![]() Negotiable |
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![]() AT29BV010A-12JI |
![]() Atmel |
![]() Flash 1M (128K X 8) 2.7V- 120NS IND TEMP |
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![]() Negotiable |
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![]() AT29BV010A-12JU |
![]() Atmel |
![]() Flash 1M(128Kx8) 2.7V - 120NS IND TEMP |
![]() Data Sheet |
![]() Negotiable |
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![]() AT29BV010A-12TC |
![]() Atmel |
![]() Flash 1M (128K X 8) 2.7V- 120NS COM TEMP |
![]() Data Sheet |
![]() Negotiable |
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![]() AT29BV010A-12TI |
![]() Atmel |
![]() Flash 1M (128K X 8) 2.7V- 120NS IND TEMP |
![]() Data Sheet |
![]() Negotiable |
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