參數(shù)資料
型號(hào)： AS7C33256NTD18B-166TQC
廠商： ALLIANCE SEMICONDUCTOR CORP
元件分類： DRAM
英文描述： 3.3V 256K x 8 Pipelined SRAM with NTD
中文描述： 256K X 18 ZBT SRAM, 3.5 ns, PQFP100
封裝： 14 X 20 MM, TQFP-100
文件頁(yè)數(shù)： 1/18頁(yè)
文件大小： 441K
代理商： AS7C33256NTD18B-166TQC
February 2005
Copyright Alliance Semiconductor. All rights reserved.
AS7C33256NTD18B
2/8/05
;
v.1.5
Alliance Semiconductor
P. 1 of 18
3.3V 256K×18 Pipelined SRAM with NTD
TM
Features
Organization: 262,144 words × 18 bits
NTD
architecture for efficient bus operation
Fast clock speeds to 200 MHz
Fast clock to data access: 3.0/3.5/4.0 ns
Fast
OE
access time: 3.0/3.5/4.0 ns
Fully synchronous operation
Asynchronous output enable control
Available in 100-pin TQFP package
Byte write enables
Clock enable for operation hold
Multiple chip enables for easy expansion
3.3V core power supply
2.5V or 3.3V I/O operation with separate V
DDQ
Self-timed write cycles
Interleaved or linear burst modes
Snooze mode for standby operation
Logic block diagram
W
register
Burst logic
D
Q
Output
Register
DQ [a:b]
18
18
18
18
CLK
CEN
CE0
CE1
CE2
A[17:0]
OE
CLK
Control
logic
CLK
Data
D
Q
CLK
18
18
18
OE
256K x 18
SRAM
Array
R/
W
BWa
BWb
DQ [a:b]
CLK
Q
D
ADV /
LD
LBO
ZZ
Write delay
18
18
CLK
Selection Guide
-200
-166
-133
Units
Minimum cycle time
Maximum clock frequency
5
6
7.5
ns
200
166
133
MHz
Maximum clock access time
3.0
3.5
4
ns
Maximum operating current
Maximum standby current
375
135
350
325
mA
mA
120
110
Maximum CMOS standby current (DC)
30
30
30
mA
相關(guān)PDF資料
PDF描述
AS7C33256NTD18B-166TQCN 3.3V 256K x 8 Pipelined SRAM with NTD
AS7C33256NTD18B-166TQIN 3.3V 256K x 8 Pipelined SRAM with NTD
AS7C33256NTD18B-200TQC 3.3V 256K x 8 Pipelined SRAM with NTD
AS7C33256NTD18B-200TQCN 3.3V 256K x 8 Pipelined SRAM with NTD
AS7C33256NTD18B-200TQI 3.3V 256K x 8 Pipelined SRAM with NTD
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AS7C33256NTD18B-166TQCN 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V 256K x 8 Pipelined SRAM with NTD
AS7C33256NTD18B-166TQI 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V 256K x 8 Pipelined SRAM with NTD
AS7C33256NTD18B-166TQIN 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V 256K x 8 Pipelined SRAM with NTD
AS7C33256NTD18B-200TQC 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V 256K x 8 Pipelined SRAM with NTD
AS7C33256NTD18B-200TQCN 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V 256K x 8 Pipelined SRAM with NTD
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