M48T35-70PC1, Энергонезависимая ОЗУ с функцией хранения реального времени, 256-Кб (32 Кб х 8), 4.5В, [PCDIP-28]

Артикул: M48T35-70PC1
Ном. номер: 6477335478
Производитель: ST Microelectronics
Фото 1/2 M48T35-70PC1, Энергонезависимая ОЗУ с функцией хранения реального времени, 256-Кб (32 Кб х 8), 4.5В, [PCDIP-28]
Фото 2/2 M48T35-70PC1, Энергонезависимая ОЗУ с функцией хранения реального времени, 256-Кб (32 Кб х 8), 4.5В, [PCDIP-28]
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от 5 шт. — 440 руб.
от 50 шт. — 400 руб.
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Описание

The M48T35-70PC1 is a non-volatile Static RAM and Real-time Clock. It provides a highly integrated battery-backed memory and real-time clock solution. The M48T35 is a non-volatile pin and function equivalent to any JEDEC standard 32kB x 8 SRAM. It also easily fits into many ROM, EPROM and EEPROM sockets, providing the non-volatility of PROMs without any requirement for special WRITE timing or limitations on the number of WRITEs that can be performed. The clock locations contain the year, month, date, day, hour, minute and second in 24-hour BCD format. Corrections for 28, 29 (leap year - valid until 2100), 30 and 31 day months are made automatically. Byte 7FF8h is the clock control register. This byte controls user access to the clock information and also stores the clock calibration setting. The eight clock bytes are not the actual clock counters themselves, they are memory locations consisting of BiPORT™ READ/WRITE memory cells.

• Integrated, ultra-low power SRAM, real-time clock, power-fail control circuit and battery
• BYTEWIDE™ RAM-like clock access
• BCD coded year, month, day, date, hours, minutes and seconds
• Frequency test output for real-time clock
• Automatic power-fail chip deselect and WRITE protection
• WRITE protect voltage
• SNAPHAT® housing (battery and crystal) is replaceable

Техническая документация

M48T35-70PC1 datasheet
pdf, 144 КБ

Дополнительная информация

Datasheet M48T35-70PC1
Типы корпусов импортных микросхем