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PDF IS61WV1288EEBLL Data sheet ( Hoja de datos )
| Número de pieza | IS61WV1288EEBLL | |
| Descripción | 256K x 8 HIGH SPEED ASYNCHRONOUS CMOS STATIC RAM | |
| Fabricantes | ISSI | |
| Logotipo |  |
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IS61WV1288EEBLL
IS64WV1288EEBLL
256K x 8 HIGH SPEED ASYNCHRONOUS
CMOS STATIC RAM WITH ECC
FEATURES
DESCRIPTION
ADVANCED INFORMATION
OCTOBER 2012
• High-speed access time: 8, 10 ns
• Low Active Power: 85 mW (typical)
• Low Standby Power: 7 mW (typical)
CMOS standby
• Single power supply
The ISSI IS61/64WV1288EEBLL is a high-speed,
1,048,576-bit static RAMs organized as 131,072 words by
8 bits.It is fabricated using ISSI's high-performance CMOS
technology.This highly reliable process coupled with inno-
vative circuit design techniques, yields high-performance
and low power consumption devices.
• Fully static operation: no clock or refresh
required
• Three state outputs
When CE is HIGH (deselected), the device assumes
a standby mode at which the power dissipation can be
reduced down with CMOS input levels.
• Industrial and Automotive temperature support
• Lead-free available
• Error Detection and Error Correction
Easy memory expansion is provided by using Chip Enable
and Output Enable inputs, CE and OE. The active LOW
Write Enable (WE) controls both writing and reading of
the memory.
The IS61/64WV1288EEBLL is packaged in the JEDEC
standard 32-pin SOJ, TSOP-II, sTSOP-I, and 48-ball BGA
(6mmx8mm).
FUNCTIONAL BLOCK DIAGRAM
A0-A16
Decoder
Memory Array
(256Kx8)
ECC Array
(256Kx4)
IO0-7
8
I/O Data
Circuit
8
12
ECC
84
Column I/O
/CE
/OE
/WE
Control
Circuit
Copyright © 2012 Integrated Silicon Solution, Inc. All rights reserved. ISSI reserves the right to make changes to this specification and its products at any time without
notice. ISSI assumes no liability arising out of the application or use of any information, products or services described herein. Customers are advised to obtain the lat-
est version of this device specification before relying on any published information and before placing orders for products.
Integrated Silicon Solution, Inc. does not recommend the use of any of its products in life support applications where the failure or malfunction of the product can reason-
ably be expected to cause failure of the life support system or to significantly affect its safety or effectiveness. Products are not authorized for use in such applications
unless Integrated Silicon Solution, Inc. receives written assurance to its satisfaction, that:
a.) the risk of injury or damage has been minimized;
b.) the user assume all such risks; and
c.) potential liability of Integrated Silicon Solution, Inc is adequately protected under the circumstances
Integrated Silicon Solution, Inc. — www.issi.com 1
Rev. 00A
10/10/2012
Free Datasheet http://www.datasheet4u.com/
1 page  
IS61/64WV1288EEBLL
AC TEST CONDITIONS
Parameter Unit
(2.4V-3.6V)
Input Pulse Level
0.4V to Vdd-0.3V
Input Rise and Fall Times
1V/ ns
Input and Output Timing
and Reference Level (VRef)
Vdd/2
Output Load
See Figures 1 and 2
AC TEST LOADS
OUTPUT
ZO = 50Ω
50Ω
1.5V
30 pF
Including
jig and
scope
Figure 1.
3.3V
319 Ω
OUTPUT
5 pF
Including
jig and
scope
Figure 2.
353 Ω
READ CYCLE SWITCHING CHARACTERISTICS(1) (Over Operating Range)
-8 -10 -20
Symbol Parameter
Min. Max.
Min. Max.
Min. Max.
Unit
trc
Read Cycle Time
8 —
10 —
20 —
ns
taa
Address Access Time
— 8
— 10
— 20
ns
toha
Output Hold Time
2.0 —
2.0 —
2.5 —
ns
tace
CE Access Time
— 8
— 10
— 20
ns
tdoe
OE Access Time
— 4.5
— 4.5
— 8
ns
thzoe(2) OE to High-Z Output
— 3
— 4
— 8
ns
tlzoe(2) OE to Low-Z Output
0 —
0 —
0 —
ns
thzce(2 CE to High-Z Output
0 3
0 4
0 8
ns
tlzce(2) CE to Low-Z Output
3 —
3 —
3 —
ns
tpu
Power Up Time
0 —
0 —
0 —
ns
tpd
Power Down Time
— 8
— 10
— 20
ns
Notes:
1. Test conditions and output loading conditions are specified in the AC Test Conditions and AC Test Loads (Figure 1).
2. Tested with the load in Figure 2. Transition is measured ±500 mV from steady-state voltage.
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Integrated Silicon Solution, Inc. — www.issi.com
Rev. 00A
10/10/2012
5
Free Datasheet http://www.datasheet4u.com/
5 Page 
IS61/64WV1288EEBLL
ORDERING INFORMATION
Industrial Range: -40°C to +85°C
Speed (ns)
8
Order Part No.
IS61WV1288EEBLL-8BLI
IS61WV1288EEBLL-8TLI
IS61WV1288EEBLL-8KLI
Industrial Range: -40°C to +85°C
Speed (ns) Order Part No.
10
IS61WV1288EEBLL-10BI
IS61WV1288EEBLL-10BLI
IS61WV1288EEBLL-10TI
IS61WV1288EEBLL-10TLI
IS61WV1288EEBLL-10KLI
Package
36 mini BGA (6mm x 8mm), Lead-free
TSOP (Type II), Lead-free
400-mil Plastic SOJ, Lead-free
Package
36 mini BGA (6mm x 8mm)
36 mini BGA (6mm x 8mm), Lead-free
TSOP (Type II)
TSOP (Type II), Lead-free
400-mil Plastic SOJ, Lead-free
Automotive (A1) Range: -40°C to +85°C
Speed (ns)
10
Order Part No.
IS64WV1288EEBLL-10BA1
IS64WV1288EEBLL-10BLA1
IS64WV1288EEBLL-10CTA1
IS64WV1288EEBLL-10CTLA1
IS64WV1288EEBLL-10KLA1
Package
36 mini BGA (6mm x 8mm)
36 mini BGA (6mm x 8mm), Lead-free
TSOP (Type II), Copper Leadframe
TSOP (Type II), Lead-free, Copper Leadframe
400-mil Plastic SOJ, Lead-free
Automotive (A3) Range: -40°C to +125°C
Speed (ns)
10
Order Part No.
IS64WV1288EEBLL-10BA3
IS64WV1288EEBLL-10BLA3
IS64WV1288EEBLL-10CTA3
IS64WV1288EEBLL-10CTLA3
IS64WV1288EEBLL-10KLA3
Package
36 mini BGA (6mm x 8mm)
36 mini BGA (6mm x 8mm), Lead-free
TSOP (Type II), Copper Leadframe
TSOP (Type II), Lead-free, Copper Leadframe
400-mil Plastic SOJ, Lead-free
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Integrated Silicon Solution, Inc. — www.issi.com 11
Rev. 00A
10/10/2012
Free Datasheet http://www.datasheet4u.com/
11 Page | ||
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