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D27C256AC-15
D27C256AC-15 - Brand New NEC IC Chips
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
GENERAL DESCRIPTION
The Am27C256 is a 256K-bit ultraviolet erasable programmable read-only memory.
It is organized as 32K words by 8 bits per word, operates from a single +5 V
supply, has a static standby mode, and features fast single address location
programming. Products are available in windowed ceramic DIP packages as well
as plastic one time programmable (OTP) PDIP, TSOP, and PLCC packages.
Typically, any byte can be accessed in less than 55 ns, allowing operation
with high-performance microprocessors without any WAIT states. The Am27C256
offers separate Output Enable (OE) and Chip Enable (CE) controls, thus
eliminating bus contention in a multiple bus microprocessor system.
AMD’s CMOS process technology provides high speed, low power, and high noise
immunity. Typical power consumption is only 80 mW in active mode, and 100 µW
in standby mode.
All signals are TTL levels, including programming signals. Bit locations may
be programmed singly, in blocks, or at random. The Am27C256 supports AMD’s
Flashrite programming algorithm (100 µs pulses) resulting in typical
programming time of 4 seconds.
DISTINCTIVE CHARACTERISTICS
■ Fast access time
— 55 ns
■ Low power consumption
— 20 µA typical CMOS standby current
■ JEDEC-approved pinout
■ Single +5 V power supply
■ ±10% power supply tolerance available
■ 100% Flashrite programming
— Typical programming time of 4 seconds
■ Latch-up protected to 100 mA from –1 V to VCC + 1 V
■ High noise immunity
■ Versatile features for simple interfacing
— Both CMOS and TTL input/output compatibility
— Two line control functions
■ Standard 28-pin DIP, PDIP, 32-pin TSOP and PLCC packages
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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