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Description
The U637256 has two separate modes of operation: SRAM mode and nonvolatile mode. In SRAM mode, the memory operates as an ordinary static RAM. In nonvolatile operation, data is transferred in parallel from SRAM to EEPROM or from EEPROM to SRAM. In this mode SRAM functions are disabled.
Specifications and features
□ CMOS non volatile static RAM 32768 x 8 bits
□ 70 ns Access Time
□ 35 ns Output Enable Access Time
□ ICC = 15 mA typ. at 200 ns Cycle Time
□ Unlimited Read and Write Cycles to SRAM
□ Automatic STORE to EEPROM on Power Down using charge stored in an integrated capacitor
□ Software initiated STORE
□ Automatic STORE Timing
□ 106 STORE cycles to EEPROM
□ 100 years data retention in EEPROM
□ Automatic RECALL on Power Up
□ Software RECALL Initiation
□ Unlimited RECALL cycles from EEPROM
□ Single 5 V ± 10 % Operation
□ Operating temperature range: 0 to 70 °C -40 to 85°C
□ QS 9000 Quality Standard (MIL STD 883C M3015.7)
□ RoHS compliance and Pb- free Package: PDIP28 (600 mil)Application Scenarios
[ SIMTEK ]
Comparison
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DisadvantagesTBA
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Similar parts: 430483 , Click to view
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Datasheet
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Shopping guide
Delivery period:
- - Will ship out in 2-3 days
- - DHL Express: 3-7 business days
- - DHL eCommerce: 12-22 business days
- - FedEx International Priority: 3-7 business days
- - EMS: 10-15 business days
Shipping fee:
- - Automatic Email notification (above 5 times)
- - View in your order page
Shipping option:
DHL, FedEx, EMS, SF Express, and Registered Air MailShipping tracking:
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How to Buy:
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- - Inquiry, Add to inquiry sheet/Submit bom/inquire file/Send email us > Quote > Place order > Complete payment >Delivery.
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Payment:
- - Paypal,Credit Card includes Visa, Master, American Express.
- - Wire transfer, include Local bank transfer.
- - Western Union.
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Popular parts of the same kind
- Datasheet: Download U637256DC70G1
- Chipdatas Part: CD91-U637256DC70G1
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/09/21 10:36 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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The fee is charged according to the rule of PayPal.
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The fee is charged according to the rule of PayPal.
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Western Union charge US$0.00 banking fee.
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We recommend to use bank transfer for large orders to save on handling fees.
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Registered Mail(www.singpost.com)
Free shipping without minimum order.