GS81302Q37E Datasheet PDF - GSI Technology
Part Number | GS81302Q37E | |
Description | 144Mb SigmaQuad-II+ Burst of 2 SRAM | |
Manufacturers | GSI Technology | |
Logo | ||
There is a preview and GS81302Q37E download ( pdf file ) link at the bottom of this page. Total 28 Pages |
Preview 1 page No Preview Available ! GS81302Q07/10/19/37E-318/300/250/200
165-Bump BGA
Commercial Temp
Industrial Temp
144Mb SigmaQuad-II+TM
Burst of 2 SRAM
318 MHz–200 MHz
1.8 V VDD
1.8 V and 1.5 V I/O
Features
• 2.0 clock Latency
• Simultaneous Read and Write SigmaQuad™ Interface
• JEDEC-standard pinout and package
• Dual Double Data Rate interface
• Byte Write controls sampled at data-in time
• On-Die Termination (ODT) on Data (D), Byte Write (BW),
and Clock (K, K) inputs
• Burst of 2 Read and Write
• 1.8 V +100/–100 mV core power supply
• 1.5 V or 1.8 V HSTL Interface
• Pipelined read operation
• Fully coherent read and write pipelines
• ZQ pin for programmable output drive strength
• Data Valid Pin (QVLD) Support
• IEEE 1149.1 JTAG-compliant Boundary Scan
• 165-bump, 15 mm x 17 mm, 1 mm bump pitch BGA package
• RoHS-compliant 165-bump BGA package available
SigmaQuad™ Family Overview
The GS81302Q07/10/19/37E are built in compliance with the
SigmaQuad-II+ SRAM pinout standard for Separate I/O
synchronous SRAMs. They are 150,994,944-bit (144Mb)
SRAMs. The GS81302Q07/10/19/37E SigmaQuad SRAMs
are just one element in a family of low power, low voltage
HSTL I/O SRAMs designed to operate at the speeds needed to
implement economical high performance networking systems.
Clocking and Addressing Schemes
The GS81302Q07/10/19/37E SigmaQuad-II+ SRAMs are
synchronous devices. They employ two input register clock
inputs, K and K. K and K are independent single-ended clock
inputs, not differential inputs to a single differential clock input
buffer.
Each internal read and write operation in a SigmaQuad-II+ B2
RAM is two times wider than the device I/O bus. An input data
bus de-multiplexer is used to accumulate incoming data before
it is simultaneously written to the memory array. An output
data multiplexer is used to capture the data produced from a
single memory array read and then route it to the appropriate
output drivers as needed. Therefore the address field of a
SigmaQuad-II+ B2 RAM is always one address pin less than
the advertised index depth (e.g., the 16M x 8 has an 8M
addressable index).
Parameter Synopsis
tKHKH
tKHQV
-318
3.145 ns
0.45 ns
-300
3.3 ns
0.45 ns
-250
4.0 ns
0.45 ns
-200
5.0 ns
0.45 ns
Rev: 1.02e 5/2012
1/28
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
© 2010, GSI Technology
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GS81302Q07/10/19/37E-318/300/250/200
4M x 36 SigmaQuad-II+ SRAM—Top View
1 2 3 4 5 6 7 8 9 10 11
A
CQ
NC
(288Mb)
SA
W BW2 K BW1 R
SA SA CQ
B Q27 Q18 D18 SA BW3 K BW0 SA D17 Q17 Q8
C D27 Q28 D19 VSS SA SA SA VSS D16 Q7 D8
D D28 D20 Q19 VSS VSS VSS VSS VSS Q16 D15 D7
E
Q29
D29
Q20
VDDQ
VSS
VSS
VSS
VDDQ
Q15
D6
Q6
F
Q30 Q21 D21
VDDQ
VDD
VSS
VDD
VDDQ
D14
Q14
Q5
G
D30 D22 Q22 VDDQ VDD
VSS
VDD
VDDQ
Q13
D13
D5
H
Doff
VREF
VDDQ
VDDQ
VDD
VSS
VDD
VDDQ
VDDQ
VREF
ZQ
J
D31
Q31
D23
VDDQ
VDD
VSS
VDD
VDDQ
D12
Q4
D4
K
Q32 D32 Q23 VDDQ VDD
VSS
VDD
VDDQ
Q12
D3
Q3
L
Q33
Q24
D24
VDDQ
VSS
VSS
VSS
VDDQ
D11
Q11
Q2
M D33 Q34 D25 VSS VSS VSS VSS VSS D10 Q1 D2
N
D34 D26 Q25 VSS SA
SA
SA
VSS Q10
D9
D1
P
Q35 D35 Q26
SA
SA QVLD SA
SA
Q9
D0
Q0
R
TDO TCK
SA
SA
SA ODT SA
SA
SA TMS TDI
11 x 15 Bump BGA—15 x 17 mm Body—1 mm Bump Pitch
Notes:
3. BW0 controls writes to D0:D8; BW1 controls writes to D9:D17; BW2 controls writes to D18:D26; BW3 controls writes to D27:D35
4. Pin A2 is the Expansion Address.
Rev: 1.02e 5/2012
5/28
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
© 2010, GSI Technology
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Information | Total 28 Pages | |
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