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AT49BV040A
AT49BV040A - Brand New Intel / Altera Memory
Credit Card - One-month free return and one year warranty.
- Full or Partial Refund, if the item is not as described
- Full Refund if you don't receive your order
Description
The AT49BV040A is a 2.7-volt-only in-system reprogrammable Flash Memory. Its 4
megabits of memory is organized as 524,288 words by 8 bits. Manufactured with
Atmel’s advanced nonvolatile CMOS technology, the device offers access times
to 70 ns with power dissipation of just 54 mW over the commercial temperature
range.
When the device is deselected, the CMOS standby current is less than 50 µA. To
allow for simple in-system reprogrammability, the AT49BV040A does not require
high input voltages for programming. Three-volt-only commands determine the
read and programming operation of the device. Reading data out of the device
is similar to reading from an EPROM; it has standard CE, OE, and WE inputs to
avoid bus contention. Reprogramming the AT49BV040A is performed by erasing a
block of data and then programming on a byte by byte basis. The byte
programming time is a fast 30 µs. The end of a program cycle can be optionally
detected by the DATA polling feature. Once the end of a byte program cycle has
been detected, a new access for a read or program can begin. The typical
number of program and erase cycles is in excess of 10,000 cycles.
The device is erased by executing the erase command sequence; the device
internally controls the erase operations. There are two 8K byte parameter
block sections, eight main memory blocks, and one boot block.
The device has the capability to protect the data in the boot block; this
feature is enabled by a command sequence. The 16K-byte boot block section
includes a reprogramming lock out fea ture to provide data integrity. The boot
sector is designed to contain user secure code, and when the feature is
enabled, the boot sector is permanently protected from being reprogrammed.
Features
• Single Supply for Read and Write: 2.7 to 3.6V
• Fast Read Access Time – 70 ns
• Internal Program Control and Timer
• Sector Architecture
– One 16K Bytes Boot Block with Programming Lockout
– Two 8K Bytes Parameter Blocks
– Eight Main Memory Blocks (One 32K Bytes, Seven 64K Bytes)
• Fast Erase Cycle Time – 7 Seconds
• Byte-by-Byte Programming – 30 µs/Byte Typical
• Hardware Data Protection
• DATA Polling for End of Program Detection
• Low Power Dissipation
– 15 mA Active Current
– 50 µA CMOS Standby Current
• Typical 10,000 Write Cycles
Shipping
| First item | Additional item | Service | Description |
|---|---|---|---|
| $0.00 | Free | Free Shipping | Estimated 15-30 business days via Registered Air Mail or others |
| $27.50 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
| $0.00 | Free | Buyer cooperating carrier | Using buyer's cooperating carrier. Buyer should create a shipping label and share it to us. And then we will call carrier for pickup |
| $38.00 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
Delivery
- The transportation time may be delayed due to customs clearance, local holidays or abnormal events.
- The estimated time is based on the fastest speed provided by commercial couriers (DHL, FedEx, UPS etc).
- The estimated time does not include the lead time of the item. The lead time of most items is 2–5 business days. If more than 5 working days are needed, we will manually confirm with you.
| Flag | Country | Express Delivery | Standard Delivery |
|---|---|---|---|
 | United States | 3 - 5 days | 10-15 days |
 | Canada | 3 - 5 days | 10-20 days |
 | Mexico | 3 - 5 days | 10-17 days |
 | Germany | 3 - 5 days | 10-12 days |
 | Italy | 3 - 5 days | 10-15 days |
 | United Kingdom | 3 - 5 days | 10-12 days |
Estimated Delivery
This item requires 2-5 business days for processing before shipping after payment is confirmed. And depending on the destination and shipping method.
Return Policy
| Return window | Refund type | Return shipping |
|---|---|---|
| 60 days after receiving item | Money Back or Replacement | Buyer pays for return shipping |
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