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Alliance Semiconductor Corporation
Alliance Semiconductor Corporation

AS7C33256PFD36A Datasheet Preview

AS7C33256PFD36A Datasheet

(AS7C33256PFD32A / AS7C33256PFD36A) 3.3V 256K x 32/36 pipelined burst synchronous SRAM

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AS7C33256PFD36A pdf
December 2004
AS7C33256PFD32A
AS7C33256PFD36A
®
3.3V 256K × 32/36 pipelined burst synchronous SRAM
Features
• Organization: 262,144 words x 32 or 36 bits
• Fast clock speeds to 166 MHz
• Fast clock to data access: 3.5/4.0 ns
• Fast OE access time: 3.5/4.0 ns
• Fully synchronous register-to-register operation
• Dual-cycle deselect
• Asynchronous output enable control
• Available in100-pin TQFP
• Individual byte write and global write
• Multiple chip enables for easy expansion
• Linear or interleaved burst control
• Snooze mode for reduced power-standby
• Common data inputs and data outputs
• 3.3V core power supply
• 2.5V or 3.3V I/O operation with separate VDDQ
www.DataSheet4U.com
Logic block diagram
CLK
ADV
ADSC
ADSP
A[17:0]
BWE
GWE
BWd
BWc
BWb
BWa
CE0
CE1
CE2
Selection guide
ZZ
OE
Minimum cycle time
Maximum clock frequency
Maximum clock access time
Maximum operating current
Maximum standby current
Maximum CMOS standby current (DC)
18
Power
down
LBO
CLK
CE
Q0
Burst logic
CLR Q1
D Q 18 2 16 2 18
CCELKrAedgdisrteesrs
256K × 32/36
Memory
array
D BytDeQwdriteQ
registers
CLK
DBytDeQwcriteQ
registers
CLK
DBytDeQwbriteQ
registers
CLK
DBytDeQwariteQ
registers
CLK
36/32 36/32
4
DQ
Enable
CE register
CLK
D Enable Q
delay
register
CLK
OE
Output
registers
CLK
Input
registers
CLK
36/32
DQ[a:d]
–166
6
166
3.5
475
130
30
–133
7.5
133
4
425
100
30
Units
ns
MHz
ns
mA
mA
mA
12/1/04, v.1.2
Alliance Semiconductor
P. 1 of 20
Copyright ©Alliance Semiconductor. All rights reserved.



Alliance Semiconductor Corporation
Alliance Semiconductor Corporation

AS7C33256PFD36A Datasheet Preview

AS7C33256PFD36A Datasheet

(AS7C33256PFD32A / AS7C33256PFD36A) 3.3V 256K x 32/36 pipelined burst synchronous SRAM

No Preview Available !

AS7C33256PFD36A pdf
8 Mb Synchronous SRAM products list1,2
Org Part Number
512KX18
AS7C33512PFS18A
256KX32
AS7C33256PFS32A
256KX36
AS7C33256PFS36A
512KX18
AS7C33512PFD18A
256KX32
AS7C33256PFD32A
256KX36
AS7C33256PFD36A
512KX18
AS7C33512FT18A
www.DataSheet4U.co2m56KX32
256KX36
AS7C33256FT32A
AS7C33256FT36A
512KX18
AS7C33512NTD18A
256KX32
AS7C33256NTD32A
256KX36
AS7C33256NTD36A
512KX18
AS7C33512NTF18A
256KX32
AS7C33256NTF32A
256KX36
AS7C33256NTF36A
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
®
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
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
AS7C33256PFD32A
AS7C33256PFD36A
Speed
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
1NTD: No Turnaround Delay. NTDTM is a trademark of Alliance Semiconductor Corporation. All trademarks mentioned in this document are the property of
their respective owners.
12/1/04, v.1.2
Alliance Semiconductor
P. 2 of 20


Part Number AS7C33256PFD36A
Description (AS7C33256PFD32A / AS7C33256PFD36A) 3.3V 256K x 32/36 pipelined burst synchronous SRAM
Maker Alliance Semiconductor Corporation
Total Page 20 Pages
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1 AS7C33256PFD36A (AS7C33256PFD32A / AS7C33256PFD36A) 3.3V 256K x 32/36 pipelined burst synchronous SRAM Alliance Semiconductor Corporation
Alliance Semiconductor Corporation
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