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Antall | |
---|---|
1+ | kr 150,480 |
25+ | kr 144,960 |
100+ | kr 139,210 |
250+ | kr 136,460 |
Produktinformasjon
Produktoversikt
The AT28HC256-90JU is a 256k high-performance Electrically Erasable and Programmable Read-Only Memory (EEPROM) organized as 32768 words by 8-bit. Manufactured with advanced non-volatile CMOS technology, the AT28HC256 offers access times to 90ns with power dissipation of just 440mW. When the AT28HC256 is deselected, the standby current is less than 5mA. The AT28HC256 is accessed like a static RAM for the read or write cycle without the need for external components. The device contains a 64-byte page register to allow writing of up to 64-byte simultaneously. During a write cycle, the address and 1 to 64-byte of data are internally latched, freeing the addresses and data bus for other operations. Following the initiation of a write cycle, the device will automatically write the latched data using an internal control timer. The end of a write cycle can be detected by DATA Polling of I/O7. Once the end of a write cycle has been detected a new access for a read or write can begin.
- Automatic page write operation
- Internal control timer
- Fast write cycle times
- Low power dissipation
- Hardware and software data protection
- Data polling for end of write detection
- High reliability CMOS technology
- Endurance - 10⁴ or 10⁵ cycles
- Data retention - 10 years
- CMOS and TTL compatible inputs and outputs
- JEDEC approved byte-wide pinout
- Green product and no Sb/Br
Advarsler
Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.
Tekniske spesifikasjoner
256Kbit
Parallel
LCC
4.5V
Surface Mount
85°C
No SVHC (21-Jan-2025)
32K x 8bit
5MHz
32Pins
5.5V
-40°C
256Kbit Parallel EEPROM
Teknisk dokumentasjon (3)
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