參數(shù)資料
型號(hào): AS7C33256NTF32A-75TQI
廠商: ALLIANCE SEMICONDUCTOR CORP
元件分類: DRAM
英文描述: 3.3V 256K x 2/36 Flowthrough Synchronous SRAM with NTD
中文描述: 256K X 32 ZBT SRAM, 7.5 ns, PQFP100
封裝: 14 X 20 MM, TQFP-100
文件頁數(shù): 1/18頁
文件大?。?/td> 427K
代理商: AS7C33256NTF32A-75TQI
November 2004
Copyright Alliance Semiconductor. All rights reserved.
AS7C33256NTF32A
AS7C33256NTF36A
11/8/04, v. 1.1
Alliance Semiconductor
P. 1 of 18
3.3V 256K×32/36 Flowthrough Synchronous SRAM with NTD
TM
Features
Organization: 262,144 words × 32 or 36 bits
NTD
architecture for efficient bus operation
Fast clock to data access: 7.5/8.5/10 ns
Fast OE access time: 3.5/4.0 ns
Fully synchronous operation
Flow-through mode
Asynchronous output enable control
Available in 100-pin TQFP
Byte write enables
Clock enable for operation hold
Multiple chip enables for easy expansion
Logic Block Diagram
3.3 core power supply
2.5V or 3.3V I/O operation with separate V
DDQ
30 mW typical standby power
Self-timed write cycles
Interleaved or linear burst modes
Snooze mode for standby operation
Selection Guide
-75
-85
-10
Units
Minimum cycle time
Maximum clock access time
8.5
7.5
10
8.5
12
10
ns
ns
Maximum operating current
300
280
240
mA
Maximum standby current
Maximum CMOS standby current (DC)
120
30
110
30
100
30
mA
mA
W
register
Burst logic
D
Q
CLK
Output
Buffer
DQ[a,b,c,d]
18
18
CLK
CEN
CE0
CE1
CE2
A[17:0]
OE
Control
logic
CLK
Data
Input
Register
D
Q
CLK
32/36
32/36
OE
256K x 32/36
SRAM
Array
R/W
BWa
DQ[a,b,c,d]
BWb
BWc
BWd
CLK
Q
D
ADV / LD
LBO
addr. registers
Write delay
18
ZZ
CLK
32/36
32/36
32/36
32/36
相關(guān)PDF資料
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AS7C33256NTF32A-75TQIN 3.3V 256K x 2/36 Flowthrough Synchronous SRAM with NTD
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參數(shù)描述
AS7C33256NTF32A-75TQIN 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V 256K x 2/36 Flowthrough Synchronous SRAM with NTD
AS7C33256NTF32A-85TQC 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V 256K x 2/36 Flowthrough Synchronous SRAM with NTD
AS7C33256NTF32A-85TQCN 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V 256K x 2/36 Flowthrough Synchronous SRAM with NTD
AS7C33256NTF32A-85TQI 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V 256K x 2/36 Flowthrough Synchronous SRAM with NTD
AS7C33256NTF32A-85TQIN 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V 256K x 2/36 Flowthrough Synchronous SRAM with NTD