CY7C1009-12VC Datasheet

128K x 8 Static RAM


Functional Description
The CY7C109 / CY7C1009 is a high-performance CMOS stat ic RAM organized as 131,072 words by 8 bits. Easy memory expansion is provided by an active LOW chip enable (CE1), an active HIGH chip enable (CE2), an active LOW output enable (OE), and three-state drivers. Writing to the device is accomplished by taking chip enable one (CE1) and write enable (WE) inputs LOW and chip enable two (CE2) input HIGH. Data on the eight I/O pins (I/O0 through I/O7) is then written into the location specified on the address pins (A0 through A16). Reading from the device is accomplished by taking chip enable one (CE1) and output enable (OE) LOW while forcing write enable (WE) and chip enable two (CE2) HIGH. Under these conditions, the contents of the memory location specified by the address pins will appear on the I/O pins.

• High speed
   — tAA = 10 ns
• Low active power
   — 1017 mW (max., 12 ns)
• Low CMOS standby power
   — 55 mW (max.), 4 mW (Low power version)
• 2.0V Data Retention (Low power version)
• Automatic power-down when deselected
• TTL-compatible inputs and outputs
• Easy memory expansion with CE1, CE2, and OE options




Manufacturer information


Cypress Semiconductor - Cypress targets innovative markets growing faster than the overall semiconductor industry, including key segments of the automotive, industrial, home automation and appliances, medical products and consumer electronics businesses. With the help of Digi-Key Electronics, we supply customers with market-leading solutions based on our MCUs, wireless SoCs, memories, analog ICs and USB controllers. Our world-class wireless technology gives us an unparalleled position in the fast-growing Internet of Things, a business that cuts across our conventional markets and gives us a stake in exciting, next-generation segments such as connected and autonomous cars.

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