AS4C4M16SA datasheet(1/54 Pages) ALSC

tên linh kiện	AS4C4M16SA

Giải thích chi tiết về linh kiện	Synchronous DRAM

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nhà sản xuất	ALSC [Alliance Semiconductor Corporation]

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AS4C4M16SA-Automotive

Confidential

1

Rev. 1.0-63nm

Mar. /2014

64M – (4M x 16 bit) Synchronous DRAM (SDRAM)

Confidential

Advanced (Rev. 1.0- 63nm, Mar. /2014)

Features

 Fast access time from clock: 5.4 ns

 Fast clock rate: 166 MHz

 Fully synchronous operation

 AEC-Q100 Compliant

 Internal pipelined architecture

 1M word x 16-bit x 4-bank

 Programmable Mode registers

- CAS Latency: 2 or 3

- Burst Length: 1, 2, 4, 8, or full page

- Burst Type: Sequential or Interleaved

- Burst stop function

- Optional drive strength control

 Auto Refresh and Self Refresh

 4096 refresh cycles/32ms

 Automotive Ambient Temperature: -40~105°C

 CKE power down mode

 Single +3.3V  0.3V power supply

 Interface: LVTTL

 54-pin 400 mil plastic TSOP II package

 54-ball 8.0 x 8.0 x 1.2mm (max) FBGA package

- All parts ROHS Compliant

Overview

The 64Mb SDRAM is a high-speed CMOS

synchronous DRAM containing 64 Mbits. It is internally

configured as 4 Banks of 1M 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

Bank Activate command which is then followed by a

Read or Write command.

The SDRAM provides for programmable Read or

Write burst lengths of 1, 2, 4, 8, or full page, with a

burst termination option. An auto precharge function

may be enabled to provide a self-timed row precharge

that is initiated at the end of the burst sequence. The

refresh functions, either Auto or Self Refresh are easy

to use. By having a programmable mode register, the

system can choose the most suitable modes to

maximize its performance. These devices are well

suited

for

applications

requiring

high memory

bandwidth and particularly well suited to high

performance PC applications.

Table 1. Key Specifications

AS4C4M16SA

-6

tCK3

Clock Cycle time(min.)

6 ns

tAC3

Access time from CLK (max.)

5.4 ns

tRAS

Row Active time(min.)

42ns

tRC

Row Cycle time(min.)

60ns

Table 2.Ordering Information

Part Number

Frequency

Package

Temperature

Temp Range

AS4C4M16SA-6BAN

166MHz

54-Ball FBGA

Industrial

-40 ~ 105°C

AS4C4M16SA-6TAN

166MHz

54-Pin TSOPII

Industrial

-40 ~ 105°C

B: indicates FBGA package T: indicates TSOP II package

N: indicates Pb and Halogen Free

Số phần tương tự - AS4C4M16SA

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Alliance Semiconductor ...	AS4C4M16SA-6BAN	1Mb / 54P	Fully synchronous operation
	AS4C4M16SA-6BIN	1Mb / 55P	Fully synchronous operation
	AS4C4M16SA-6TAN	1Mb / 54P	Fully synchronous operation
	AS4C4M16SA-6TCN	1Mb / 55P	Fully synchronous operation
	AS4C4M16SA-6TIN	1Mb / 55P	Fully synchronous operation

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Mô tả tương tự - AS4C4M16SA

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