What memories can I use with the CY7C53150-20AI part?
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Answer:
The CY7C53150 can be used with a variety of memories, including PROM, EEPROM, Flash, NVRAM, and SRAM. As a minimum it requires 16K of non-volatile memory like EPROM or Flash. The choice of which memory chip can be used depends on the Address and Data bus characteristics of the memory as well as the input clock frequency of the Cypress 3150. Below is a list of qualified memories, please refer to the "Cypress CY7C53150 External Memory Interface" Application Note for more information on the how to design the memory interface and how to calculate the timing requirements.
PROM Devices (32K x 😎 - 10MHz Input Clock Frequency
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Microchip: 27C256-90
WSI: WS57C256F
AMD: AM27C256-120JC
Atmel: AT27C256R-12JC
PROM Devices (32K x 😎 - 20MHz Input Clock Frequency
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Atmel: AT27C256R-45JC
SRAM Devices (32K x 😎 - 10MHz Input Clock Frequency
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Cypress: CY7C199-35SC
SRAM Devices (32K x 😎 - 20MHz Input Clock Frequency
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Cypress: CY7C199-35SC
Flash Devices (32K x 😎 - 10MHz Input Clock Frequency
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Atmel: AT29C256-90, AT29C256-12
Atmel: AT29C257-90, AT29C257-12
Atmel: AT29C512-90, AT29C512-12
Flash Devices (32K x 😎 - 20MHz Input Clock Frequency
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No Flash parts are currently recommended for 20MHz operation
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