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What is GS8321E32E-V?

This electronic component, produced by the manufacturer "GSI Technology", performs the same function as "36Mb Sync Burst SRAMs".


GS8321E32E-V Datasheet PDF - GSI Technology

Part Number GS8321E32E-V
Description 36Mb Sync Burst SRAMs
Manufacturers GSI Technology 
Logo GSI Technology Logo 


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GS8321E18/32/36E-xxxV
165-Bump FP-BGA
Commercial Temp
Industrial Temp
2M x 18, 1M x 32, 1M x 36
36Mb Sync Burst SRAMs
250 MHz133 MHz
1.8 V or 2.5 V VDD
1.8 V or 2.5 V I/O
Features
• FT pin for user-configurable flow through or pipeline operation
• Dual Cycle Deselect (DCD) operation
• IEEE 1149.1 JTAG-compatible Boundary Scan
• 1.8 V or 2.5 V core power supply
• 1.8 V or 2.5 V I/O supply
• LBO pin for Linear or Interleaved Burst mode
• Internal input resistors on mode pins allow floating mode pins
• Default to Interleaved Pipeline mode
• Byte Write (BW) and/or Global Write (GW) operation
• Internal self-timed write cycle
• Automatic power-down for portable applications
• JEDEC-standard 165-bump FP-BGA package
• RoHS-compliant 165-bump BGA package available
Functional Description
Applications
The GS8321E18/32/36E-xxxV is a 37,748,736-bit high
performance synchronous SRAM with a 2-bit burst address
counter. Although of a type originally developed for Level 2
Cache applications supporting high performance CPUs, the
device now finds application in synchronous SRAM
applications, ranging from DSP main store to networking chip
set support.
Controls
Addresses, data I/Os, chip enable (E1), address burst control
inputs (ADSP, ADSC, ADV) and write control inputs (Bx, BW,
GW) are synchronous and are controlled by a positive-edge-
triggered clock input (CK3). Output enable (G) and power down
control (ZZ) are asynchronous inputs. Burst cycles can be
initiated with either ADSP or ADSC inputs. In Burst mode,
subsequent burst addresses are generated internally and are
controlled by ADV. The burst address counter may be
configured to count in either linear or interleave order with the
Linear Burst Order (LBO) input. The Burst function need not be
used. New addresses can be loaded on every cycle with no
degradation of chip performance.
Flow Through/Pipeline Reads
The function of the Data Output register can be controlled by the
user via the FT mode pin (Pin 14). Holding the FT mode pin low
places the RAM in Flow Through mode, causing output data to
bypass the Data Output Register. Holding FT high places the
RAM in Pipeline mode, activating the rising-edge-triggered Data
Output Register.
DCD Pipelined Reads
The GS8321E18/32/36E-xxxV is a DCD (Dual Cycle Deselect)
pipelined synchronous SRAM. SCD (Single Cycle Deselect)
versions are also available. DCD SRAMs pipeline disable
commands to the same degree as read commands. DCD RAMs
hold the deselect command for one full cycle and then begin
turning off their outputs just after the second rising edge of
clock.
Byte Write and Global Write
Byte write operation is performed by using Byte Write enable
(BW) input combined with one or more individual byte write
signals (Bx). In addition, Global Write (GW) is available for
writing all bytes at one time, regardless of the Byte Write control
inputs.
Sleep Mode
Low power (Sleep mode) is attained through the assertion (High)
of the ZZ signal, or by stopping the clock (CK). Memory data is
retained during Sleep mode.
Core and Interface Voltages
The GS8321E18/32/36E-xxxV operates on a 1.8 V or 2.5 V
power supply. All inputs are 1.8 V or 2.5 V compatible. Separate
output power (VDDQ) pins are used to decouple output noise
from the internal circuits and are 1.8 V or 2.5 Vcompatible.
Parameter Synopsis
-250 -225 -200 -166 -150 -133 Unit
Pipeline
tKQ
tCycle
3.0 3.0 3.0 3.5 3.8 4.0 ns
4.0 4.4 5.0 6.0 6.6 7.5 ns
3-1-1-1 Curr (x18) 285 250 215 200 190 165 mA
Curr (x32/x36) 330 290 255 235 220 195 mA
Flow
Through
2-1-1-1
tKQ
tCycle
Curr (x18)
Curr (x32/x36)
5.5
5.5
205
235
6.0
6.0
195
225
6.5
6.5
185
210
7.0
7.0
175
200
7.5
7.5
165
190
8.5
8.5
155
175
ns
ns
mA
mA
Rev: 1.04 6/2006
1/31
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
© 2003, GSI Technology

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GS8321E32E-V equivalent
GS8321E18/32/36E-xxxV
GS8321E18/32/36E-xxxV 165-Bump BGA Pin Description
Symbol
A0, A1
A
DQA
DQB
DQC
DQD
BA, BB, BC, BD
NC
CK
BW
GW
E1
E3
E2
G
ADV
ADSC, ADSP
ZZ
FT
LBO
TMS
TDI
TDO
TCK
MCL
VDD
VSS
VDDQ
Type
I
I
I/O
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
O
I
I
I
I
Description
Address field LSBs and Address Counter Preset Inputs
Address Inputs
Data Input and Output pins
Byte Write Enable for DQA, DQB, DQC, DQD I/Os; active low
No Connect
Clock Input Signal; active high
Byte Write—Writes all enabled bytes; active low
Global Write Enable—Writes all bytes; active low
Chip Enable; active low
Chip Enable; active low
Chip Enable; active high
Output Enable; active low
Burst address counter advance enable; active l0w
Address Strobe (Processor, Cache Controller); active low
Sleep mode control; active high
Flow Through or Pipeline mode; active low
Linear Burst Order mode; active low
Scan Test Mode Select
Scan Test Data In
Scan Test Data Out
Scan Test Clock
Must Connect Low
Core power supply
I/O and Core Ground
Output driver power supply
Rev: 1.04 6/2006
5/31
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
© 2003, GSI Technology


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