Alliance Memory SDRAM 256 MB Surface, 54-Pin 16 bit TFBGA

Unavailable
RS will no longer stock this product.
RS Stock No.:
230-8411
Mfr. Part No.:
AS4C16M16SA-6BIN
Brand:
Alliance Memory
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Brand

Alliance Memory

Product Type

SDRAM

Memory Size

256MB

Organisation

16M x 16 Bit

Data Bus Width

16bit

Address Bus Width

13bit

Number of Bits per Word

16

Maximum Clock Frequency

166MHz

Maximum Random Access Time

5ns

Number of Words

4M

Mount Type

Surface

Package Type

TFBGA

Minimum Operating Temperature

-40°C

Pin Count

54

Maximum Operating Temperature

85°C

Standards/Approvals

No

Length

8mm

Height

1.2mm

Width

8.1 mm

Series

AS4C16M16SA-C&I

Maximum Supply Voltage

3.6V

Supply Current

60mA

Automotive Standard

No

Minimum Supply Voltage

3V

The Alliance Memory 256Mb SDRAM is a high-speed CMOS synchronous DRAM containing 256 Mbits. It is internally configured as 4 Banks of 4M word x 16 DRAM with a synchronous interface (all signals are registered on the positive edge of the clock signal, CLK). Read and write accesses to the SDRAM are burst oriented; accesses start at a selected location and continue for a programmed number of locations in a programmed sequence. Accesses begin with the registration of a BankActivate command which is then followed by a Read or Write command.

Fast access time from clock: 5/5.4 ns

Fast clock rate: 166/143 MHz

Fully synchronous operation

Internal pipelined architecture

4M word x 16-bit x 4-bank

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