QDR IITM Equivalent Synchronous SRAM QUAD & DDR

QDR IITM Equivalent
Synchronous SRAM
QUAD & DDR-II,
QUADP & DDR-IIP
ISSI’s QUAD/QUADP and DDR-II/DDR-IIP Synchronous SRAM family
(compatible with QDR IITM) offers high-density, fast access and high
frequency memory requirements.
► Product Summary
Density
Config.
Burst
Length
RL*
Max.
Speed
(MHz)
Part
Number(x36)
QUAD, QUADP
18Mb
36Mb
72Mb
X18/x36
4
1.5
400
IS61QDB451236C
X18/x36
4
2.5
567
IS61QDPB451236C
X18/x36
2
1.5
400
IS61QDB251236C
X18/x36
2
2.5
500
IS61QDPB251236C
X18/x36
4
1.5
400
IS61QDB41M36C
X18/x36
4
2.5
567
IS61QDPB41M36C
X18/x36
2
1.5
400
IS61QDB21M36C
X18/x36
2
2.5
500
IS61QDPB21M36C
X18/x36
4
1.5
400
IS61QDB42M36C
X18/x36
4
2.5
567
IS61QDPB42M36C
X18/x36
2
1.5
400
IS61QDB22M36C
X18/x36
2
2.5
500
IS61QDPB22M36C
DDR-II, DDR-IIP, Common I/O
18Mb
36Mb
72Mb
X18/x36
4
1.5
400
IS61DDB451236C
X18/x36
4
2.5
567
IS61DDPB451236C
X18/x36
2
1.5
400
IS61DDB251236C
X18/x36
2
2.5
567
IS61DDPB251236C
X18/x36
4
1.5
400
IS61DDB41M36C
X18/x36
4
2.5
567
IS61DDPB41M36C
X18/x36
2
1.5
400
IS61DDB21M36C
X18/x36
2
2.5
567
IS61DDPB21M36C
X18/x36
4
1.5
400
X18/x36
4
2.5
X18/x36
2
X18/x36
2
• QUAD (QDR IITM Compatible), DDR-II
• QUADP (QDR II+TM Compatible), DDR-IIP
• 18Mb, 36Mb, 72Mb
• x18, x36
• Burst of 2 and Burst of 4
• Commercial and Industrial Temperature support
• 165-BGA available in both 13x15mm and 15x17mm
• Leaded/Lead-free packages
• Target speed up to 400MHz for QUAD and DDR-II
• Target speed up to 567Mhz for QUADP and DDR-IIP
► New Product Development
• QUAD/DDR-II SRAMs based on 65nm
technology in production now.
• Samples for 55nm based QUAD/DDR-II Synchronous SRAMs will be available in Q1/2015
► Applications
• Switches, Routers, other communication applications
• QUAD /DDR-II 18Mb/36Mb Speed Improvement
Device
C-Die
A-Die
*QUAD (BL2)
400 MHz
333MHz
IS61DDB42M36C
QUAD (BL4)
400MHz
400MHz
567
IS61DDPB42M36C
DDR II(BL2/4)
400MHz
333MHz
1.5
400
IS61DDB22M36C
*QUADP (BL2)
500 MHz
333MHz
2.5
567
IS61DDPB22M36C
QUADP (BL4)
567MHz
450MHz
DDR IIP(BL2/4)
567MHz
450MHz
DDR-II, Seperate I/O
18Mb
X18/x36
2
1.5
400
IS61DDSB251236C
36Mb
X18/x36
2
1.5
400
IS61DDSB21M36C
36Mb
X18/x36
2
1.5
400
IS61DDSB22M36C
Notes
1. *RL means Read Latency
2. RL=2.0 cycles products are also optionally available. Please contact MKT.
3. Support all QUAD(P)/DDR-II(P) Family Products; DDR SIO, DDR CIO BL4,
and RL=2 products.
4. If faster than 567MHz is required at RL=2.5. Please contact MKT.
Mar 2015
► QUAD Synchronous SRAM
RL=1.5
RL=2.5
*ISSI offers industry’s fastest speed QUAD(P)
and DDR II(P), specially QUADP BL2, which
can deliver a Random Transaction Rate of
1.0Billion Transaction/sec.
1623 Buckeye Dr., Milpitas, CA. 95035 • Tel: 408.969.6600 • Support: [email protected] • www.issi.com
• QUAD, QUADP, DDR-II, DDR II-P SRAM Roadmap
Product
Configuration
Previous
Years
1H
2015
2H
2015
1H
2016
2H
2016
1H
2017
2017
to 2025
QUAD
400MHz, Vcc=1.8V, Vccq=1.8V/1.5V, 65nm
18Mb (x18, x36)
400MHz, Vcc=1.8V, Vccq=1.8V/1.5V, 55nm
333MHz, Vcc=1.8V, Vccq=1.8V/1.5V, 0.13µm
400MHz, Vcc=1.8V, Vccq=1.8V/1.5V, 65nm
36Mb (x18, x36)
400MHz, Vcc=1.8V, Vccq=1.8V/1.5V, 55nm
400MHz, Vcc=1.8V, Vccq=1.8V/1.5V, 65nm
72Mb (x18, x36)
400MHz, Vcc=1.8V, Vccq=1.8V/1.5V, 55nm
QUADP
400-450MHz, Vcc=1.8V, Vccq=1.8V/1.5V, 65nm
18Mb (x18, x36)
400-567MHz, Vcc=1.8V, Vccq=1.8V/1.5V, 55nm
400-550MHz, Vcc=1.8V, Vccq=1.8V/1.5V, 65nm
36Mb (x18, x36)
400-567MHz, Vcc=1.8V, Vccq=1.8V/1.5V, 55nm
400-550MHz, Vcc=1.8V, Vccq=1.8V/1.5V, 65nm
72Mb (x18, x36)
400-567MHz, Vcc=1.8V, Vccq=1.8V/1.5V, 55nm
DDR-II, Common I/O & Separate I/O
333MHz, Vcc=1.8V, Vccq=1.8V/1.5V, 65nm
18Mb (x18, x36)
400MHz, Vcc=1.8V, Vccq=1.8V/1.5V, 55nm
333MHz, Vcc=1.8V, Vccq=1.8V/1.5V, 0.13µm
36Mb (x18, x36)
333MHz, Vcc=1.8V, Vccq=1.8V/1.5V, 65nm
400MHz, Vcc=1.8V, Vccq=1.8V/1.5V, 55nm
333MHz, Vcc=1.8V, Vccq=1.8V/1.5V, 65nm
72Mb (x18, x36)
400MHz, Vcc=1.8V, Vccq=1.8V/1.5V, 55nm
DDR-IIP, Common I/O
400-450MHz, Vcc=1.8V, Vccq=1.8V/1.5V, 65nm
18Mb (x18, x36)
400-567MHz, Vcc=1.8V, Vccq=1.8V/1.5V, 55nm
400-550MHz, Vcc=1.8V, Vccq=1.8V/1.5V, 65nm
36Mb (x18, x36)
400-567MHz, Vcc=1.8V, Vccq=1.8V/1.5V, 55nm
400-550MHz, Vcc=1.8V, Vccq=1.8V/1.5V, 65nm
72Mb (x18, x36)
400-567MHz, Vcc=1.8V, Vccq=1.8V/1.5V, 55nm
previous die rev
Mar 2015
current die rev
new die rev
1623 Buckeye Dr., Milpitas, CA. 95035 • Tel: 408.969.6600 • Support: [email protected] • www.issi.com