參數(shù)資料
型號(hào)： AD484M1644VTA-8I
廠商： Electronic Theatre Controls, Inc.
英文描述： Ascend Semiconductor Corporation(64Mb SDRAM)
中文描述： 登半導(dǎo)體公司（64MB內(nèi)存）
文件頁(yè)數(shù)： 3/20頁(yè)
文件大?。?/td> 85K
代理商： AD484M1644VTA-8I
Preliminary
3
64Mb SDRAM
Ascend Semiconductor Corporation
Features
Fully synchronous to positive clock edge
Single 3.3V +/- 0.3V power supply
LVTTL compatible with multiplexed address
Industrial temperature available
Programmable Burst Length ( BL ) - 1,2,4,8 or full page
Programmable CAS Latency ( CL ) -1, 2 or 3
Data Mask ( DQM ) for Read/Write masking
Programmable wrap sequential - Sequential ( BL = 1/2/4/8/full page )
- Interleave ( BL = 1/2/4/8 )
Burst read with single-bit write operation
All inputs are sampled at the positive rising edge of the system clock.
Auto refresh and self refresh
4,096 refresh cycles / 64ms
Ordering Information
Description
The AD484M1644VTA is Synchronous Dynamic Random Access Memory ( SDRAM )
organized as 1,048,756 words x 4 banks x 16 bits. All inputs and outputs are synchronized
with the positive edge of the clock . The 64Mb SDRAM uses synchronized pipelined
architecture to achieve high speed data transfer rates and is designed to operate in 3.3V
low power memory system. It also provides auto refresh with power saving / down mode.
All inputs and outputs voltage levels are compatible with LVTTL
.
64Mb( 4Banks ) Synchronous DRAM
AD484M1644VTA ( 4Mx16 )
* Ascend Semiconductor reserves the right to change products or specification without notice.
CL1
Note
Low power
Low power
Low power
Standard
Standard
Standard
Standard
Power
Commercial Range : 0
~ 70
Commercial Range : 0
~ 70
Commercial Range : 0
~ 70
Commercial Range : 0
~ 70
Commercial Range : 0
~ 70
Commercial Range : 0
~ 70
Commercial Range : 0
~ 70
Operation Range
54pins,
TSOPII
54pins,
TSOPII
54pins,
TSOPII
54pins,
TSOPII
54pins,
TSOPII
54pins,
TSOPII
54pins,
TSOPII
Package
100MHz
125MHz
143MHz
66MHz
143MHz
167MHz
183MHz
Max
Freg.
AD484M1644VTA-10L
AD484M1644VTA-8L
AD484M1644VTA-7L
AD484M1644VTA-15
AD484M1644VTA-7
AD484M1644VTA-6
AD484M1644VTA-55
Part number
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