(AS7C3364NTD32B / AS7C3364NTD36B) 3.3V 64K x 32/36 Pipelined SRAM
Description
April 2005
®
AS7C3364NTD32B AS7C3364NTD36B
3.
3V 64K×32/36 Pipelined SRAM with NTDTM
Features
• Organization: 65,536 words × 32 or 36 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 www.
DataSheet4U.
com • 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 VDDQ • Self-timed write cycles • Interleaved or linear burst modes • Snooze mode for reduced power standby
Logic block diagram
A[15:0] 16
D
Burst logic
CE0 CE1 CE2
Address register
Q
16 16
D
16
Q
CLK
Write delay addr.
registers
CLK
16
R/W
BWa
BWb
BWc BWd ADV / LD LBO ZZ
Control logic
Write Data Registers
CLK
CLK
128K x 32/36 SRAM Array
DQ [a:d]
32/36
D
Data Q Input Register
CLK
32/36
32/36
32/36
32/36 CLK
CEN CLK OE
Output Register
32/36
OE
DQ [a:d]
Selection Guide
-200 Minimum cycle time Maximum clock frequency Maximum clock access time Maximum operating current Maximum standby current Maximum CMOS standby current (DC) 5 200 3.
0 375 135 30 -166 6 166 3.
5 350 120 30 -133 7.
5 133 4 325 110 30 Units ns MHz ns mA mA mA
4/28/05; v.
1.
3
Alliance Semiconductor
P.
1 of 19
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AS7C3364NTD32B AS7C3364NTD36B
®
2 Mb Synchronous SRAM products list1,2
Org 128KX18 64KX32 64KX36 128KX18 64KX32 64KX36 128KX18 www.
DataSheet4U.
com 64KX32 64KX36 128KX18 64KX32 64KX36 128KX18 64KX32 64KX36 Part Number AS7C33128PFS18B AS7C3364PFS32B AS7C3364PFS36B AS7C33128PFD18B AS7C3364PFD32B AS7C3364PFD36B AS7C33128FT18B AS7C3364FT32B AS7C3364FT36B AS7C33128NTD18B AS7C3364NTD32B AS7C3364NTD36B AS7C33128NTF18B AS7C3364NTF32B AS7C3364NTF36B 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 Spe...
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