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Alliance Semiconductor Corporation

AS7C33512NTD32A Datasheet Preview

AS7C33512NTD32A Datasheet

(AS7C33512NTD32A / AS7C33512NTD36A) 3.3V 512K x 32/36 Pipelined SRAM

No Preview Available !

April 2005
AS7C33512NTD32A
AS7C33512NTD36A
®
3.3V 512K × 32/36 Pipelined SRAM with NTDTM
Features
• Organization: 524,288 words × 32 or 36 bits
• NTDarchitecture for efficient bus operation
• Fast clock speeds to 166 MHz
• Fast clock to data access: 3.4/3.8 ns
• Fast OE access time: 3.4/3.8 ns
• Fully synchronous operation
• Asynchronous output enable control
• Available in 100-pin TQFP packages
www.DataSheet4IUn.dcoivmidual byte write and global write
• 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 VDDQ
• Self-timed write cycles
• Interleaved or linear burst modes
• Snooze mode for standby operation
Logic block diagram
A[18:0]
19
CE0
CE1
CE2
R/W
BWa
BWb
BWc
BWd
ADV / LD
LBO
ZZ
DQ
Aredgdirsetesrs
Burst logic
CLK
Control
logic
CLK
DQ[a,b,c,d] 32/36
D Data
Input
Q
Register
CLK
CLK
CEN
Selection guide
Minimum cycle time
Maximum clock frequency
Maximum clock access time
Maximum operating current
Maximum standby current
Maximum CMOS standby current (DC)
19
DQ
Write delay
addr. registers
CLK
19
CLK
32/36
512K x 32/36
SRAM
Array
32/36 32/36
32/36
CLKOutput
Register
OE
32/36
OE
DQ[a,b,c,d]
-166 -133
6 7.5
166 133
3.4 3.8
300 275
90 80
60 60
Units
ns
MHz
ns
mA
mA
mA
4/21/05, v 2.8
Alliance Semiconductor
P. 1 of 18
Copyright © Alliance Semiconductor. All rights reserved.




Alliance Semiconductor Corporation

AS7C33512NTD32A Datasheet Preview

AS7C33512NTD32A Datasheet

(AS7C33512NTD32A / AS7C33512NTD36A) 3.3V 512K x 32/36 Pipelined SRAM

No Preview Available !

AS7C33512NTD32A/36A
®
16 Mb Synchronous SRAM products list1,2
Org
1MX18
512KX32
512KX36
1MX18
512KX32
512KX36
1MX18
www.DataSheet4U.co5m12KX32
512KX36
1MX18
512KX32
512KX36
1MX18
512KX32
512KX36
Part Number
AS7C331MPFS18A
AS7C33512PFS32A
AS7C33512PFS36A
AS7C331MPFD18A
AS7C33512PFD32A
AS7C33512PFD36A
AS7C331MFT18A
AS7C33512FT32A
AS7C33512FT36A
AS7C331MNTD18A
AS7C33512NTD32A
AS7C33512NTD36A
AS7C331MNTF18A
AS7C33512NTF32A
AS7C33512NTF36A
Mode
PL-SCD
PL-SCD
PL-SCD
PL-DCD
PL-DCD
PL-DCD
FT
FT
FT
NTD-PL
NTD-PL
NTD-PL
NTD-FT
NTD-FT
NTD-FT
Speed3
166/133 MHz
166/133 MHz
166/133 MHz
166/133 MHz
166/133 MHz
166/133 MHz
7.5/8.5/10 ns
7.5/8.5/10 ns
7.5/8.5/10 ns
166/133 MHz
166/133 MHz
166/133 MHz
7.5/8.5/10 ns
7.5/8.5/10 ns
7.5/8.5/10 ns
1 Core Power Supply: VDD = 3.3V + 0.165V
2 I/O Supply Voltage: VDDQ = 3.3V + 0.165V for 3.3V I/O
VDDQ = 2.5V + 0.125V for 2.5V I/O
3 Refer corresponding product datasheets for the latest information on Clock Speed and Clock Access Time availability.
PL-SCD : Pipelined Burst Synchronous SRAM - Single Cycle Deselect
PL-DCD : Pipelined Burst Synchronous SRAM - Double Cycle Deselect
FT : Flow-through Burst Synchronous SRAM
NTD1-PL : Pipelined Burst Synchronous SRAM with NTDTM
NTD-FT : Flow-through Burst Synchronous SRAM with NTDTM
1. NTD: No Turnaround Delay. NTDTM is a trademark of Alliance Semiconductor Corporation. All trademarks mentioned in this document are the property
of their respective owners.
4/21/05, v 2.8
Alliance Semiconductor
P. 2 of 18


Part Number AS7C33512NTD32A
Description (AS7C33512NTD32A / AS7C33512NTD36A) 3.3V 512K x 32/36 Pipelined SRAM
Maker Alliance Semiconductor Corporation
Total Page 18 Pages
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Alliance Semiconductor Corporation





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