Alliance Memory AS4C128M16D2A-25BCN SDRAM 2 GB Surface, 84-Pin 16 bit FBGA

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$21.85

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$25.13

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1 - 9$21.85
10 - 24$21.20
25 - 49$20.57
50 - 99$19.95
100 +$19.37

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Packaging Options:
RS Stock No.:
230-8410
Distrelec Article No.:
301-51-367
Mfr. Part No.:
AS4C128M16D2A-25BCN
Brand:
Alliance Memory
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Brand

Alliance Memory

Product Type

SDRAM

Memory Size

2GB

Organisation

128M x 16

Data Bus Width

16bit

Address Bus Width

13bit

Number of Bits per Word

16

Maximum Clock Frequency

400MHz

Maximum Random Access Time

12.5ns

Mount Type

Surface

Package Type

FBGA

Pin Count

84

Minimum Operating Temperature

0°C

Maximum Operating Temperature

85°C

Height

1.2mm

Standards/Approvals

RoHS

Width

12.5 mm

Series

AS4C128M16D2A

Length

8.1mm

Maximum Supply Voltage

1.9V

Minimum Supply Voltage

1.7V

Automotive Standard

No

The Alliance Memory 2Gb DDR2 is a high-speed CMOS Double-Data- Rate-Two (DDR2), synchronous dynamic random - access memory (SDRAM) containing 2048 Mbits in a 16- bit wide data I/Os. It is internally configured as a 8-bank DRAM, 8 banks x 16Mb addresses x 16 I/Os. The device is designed to comply with DDR2 DRAM key features such as posted CAS# with additive latency, Write latency = Read latency -1, Off-Chip Driver (OCD) impedance adjustment, and On Die Termination(ODT).

8 internal banks for concurrent operation

4-bit prefetch architecture

Internal pipeline architecture

Precharge & active power down

Programmable Mode & Extended Mode registers

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