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Updated at 08/04/2026 10:30:15(UTC+8)

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Description

The ON Semiconductor serial SRAM family includes several integrated memory devices including this 256 kb serially accessed Static Random Access Memory, internally organized as 32 k words by 8 bits. The devices are designed and fabricated using advanced CMOS technology to provide both high-speed performance and low power. The devices operate with a single chip select (CS) input and use a simple Serial Peripheral Interface (SPI) serial bus. A single data in and data out line is used along with a clock to access data within the devices. The N25S830HA devices include a HOLD pin that allows communication to the device to be paused. While paused, input transitions will be ignored. The devices can operate over a wide temperature range of -40°C to +85°C and can be available in several standard package offerings.
Features
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2.7 to 3.6 V power supply range
Very low standby current - typical Isb as low as 1 uA
Very low operating current - as low as 3 mA
Simple memory control: single chip select (CS), serial input (SI) and serial output (SO)
Flexible operating modes: word read and write, page mode (32 word page), and burst mode (full array)
32 K x 8 bit organization
Self timed write cycles
Built-in write protection (CS high)
HOLD pin for pausing communication

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