Asynchronous SRAMs

ISSI Asynchronous SRAMs are offered in x8, x16, and x32 configurations. These devices are available in high-speed, low-power, high-speed/low-power, PowerSaver lower power, and automotive versions with long-term support offered by ISSI's commitment to the continued development of these products. ISSI Asynchronous SRAMs feature a wide offering of densities (64K to 16M), speeds (8ns to 55ns), supply voltages (1.65V to 5V), and temperature ranges (commercial, industrial, and automotive). These devices are available in a variety of packages (BGA, SOJ, SOP, sTSOP, and TSOP) to fit a variety of design needs.

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Description Datasheet Availability Pricing (TWD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Memory Size
Organization
Access Time
Maximum Clock Frequency
Interface Type
Supply Voltage - Max
Supply Voltage - Min
Supply Current - Max
Minimum Operating Temperature
Maximum Operating Temperature
Mounting Style
Package / Case
Packaging

ISSI SRAM 4Mb (512k x 8) 10ns Async SRAM 3.3v
Datasheet
9,966In Stock
Min.: 1
Mult.: 1

4 Mbit 512 k x 8 10 ns Parallel 3.6 V 2.4 V 45 mA - 40 C + 85 C SMD/SMT TSOP-44 Tube
ISSI SRAM 256K,Low Power,Async,32K x 8,45ns,5v,28 Pin SOP, RoHS
Datasheet
12,838In Stock
Min.: 1
Mult.: 1

256 kbit 32 k x 8 45 ns Parallel 5.5 V 4.5 V 20 mA - 40 C + 85 C SMD/SMT SOP-28 Tray

ISSI SRAM 16M (1Mx16) 10ns Async SRAM 3.3v
Datasheet
1,665In Stock
3,000Expected 8/19/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

16 Mbit 1 M x 16 10 ns Parallel 3.6 V 2.4 V 95 mA - 40 C + 85 C SMD/SMT TSOP-48 Reel, Cut Tape, MouseReel
ISSI SRAM 16Mb 10ns 1Mx16 Async SRAM 3.3v
Datasheet
3,770In Stock
Min.: 1
Mult.: 1

16 Mbit 1 M x 16 10 ns Parallel 3.465 V 3.135 V 95 mA - 40 C + 85 C SMD/SMT BGA-48 Tray
ISSI SRAM 4Mb 256Kx16 10ns Async SRAM 3.3v
Datasheet
12,958In Stock
15,000Expected 8/21/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

4 Mbit 256 k x 16 10 ns Parallel 3.6 V 2.4 V 45 mA - 40 C + 85 C SMD/SMT BGA-48 Reel, Cut Tape, MouseReel
ISSI SRAM 1Mb 128K x 8 35ns 5v Async SRAM 5v
Datasheet
9,060In Stock
7,000Expected 8/17/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

1 Mbit 128 k x 8 35 ns Parallel 5.5 V 4.5 V 30 mA - 40 C + 85 C SMD/SMT SOP-32 Reel, Cut Tape, MouseReel
ISSI SRAM 8Mb, Low Power/Power Saver,Async,512K x 16,55ns,2.5v-3.6v,48 Ball mBGA (7.2x8.7mm), RoHS
Datasheet
3,794In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

8 Mbit 512 k x 16 55 ns Parallel 3.6 V 2.5 V 5 mA - 40 C + 85 C SMD/SMT TFBGA-48 Reel, Cut Tape, MouseReel

ISSI SRAM 8Mb 512Kx16 55ns Async SRAM
Datasheet
4,361In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

8 Mbit 512 k x 16 55 ns 18 MHz Parallel 3.6 V 2.5 V 4 mA - 40 C + 85 C SMD/SMT TSOP-44 Reel, Cut Tape, MouseReel

ISSI SRAM 8M, 2.4-3.6V, 10ns 512Kx16 Asych SRAM
Datasheet
2,220In Stock
1,890Expected 8/31/2026
Min.: 1
Mult.: 1

8 Mbit 516 k x 16 10 ns Parallel 3.6 V 2.4 V 50 mA - 40 C + 85 C SMD/SMT TSOP-44 Tray
ISSI SRAM 16M (1Mx16) 10ns Async SRAM
Datasheet
2,078In Stock
Min.: 1
Mult.: 1

16 Mbit 1 M x 16 10 ns Parallel 3.6 V 2.4 V 140 mA - 40 C + 125 C SMD/SMT BGA-48 Tray
ISSI SRAM 4Mb, 2.4v-3.6v, 10ns 512K x 8 Async SRAM
Datasheet
1,896In Stock
Min.: 1
Mult.: 1

4 Mbit 512 k x 8 10 ns Parallel 3.6 V 2.4 V 35 mA - 40 C + 85 C SMD/SMT BGA-36 Tray

ISSI SRAM 4M (256Kx16) 25ns Async SRAM
Datasheet
982In Stock
Min.: 1
Mult.: 1

4 Mbit 256 k x 16 25 ns Parallel 5.5 V 4.5 V 15 mA - 40 C + 85 C SMD/SMT TSOP-44 Tray

ISSI SRAM 256K 32Kx8 10ns Async SRAM 3.3v
Datasheet
1,438In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

256 kbit 32 k x 8 10 ns Parallel 3.6 V 3.135 V 25 mA - 40 C + 85 C SMD/SMT TSOP-28 Reel, Cut Tape, MouseReel

ISSI SRAM 8Mb,High-Speed/Low Power,Async with ECC,512K x 16,10ns,2.4V-3.6V,44 Pin TSOP II, RoHS
Datasheet
1,411In Stock
Min.: 1
Mult.: 1

8 Mbit 512 k x 16 10 ns Parallel 3.6 V 2.4 V 95 mA - 40 C + 85 C SMD/SMT TSOP-44
ISSI SRAM 4Mb 2.4-3.6v 10ns 256K x 16 Async SRAM
Datasheet
1,160In Stock
Min.: 1
Mult.: 1

4 Mbit 256 k x 16 10 ns Parallel 3.6 V 2.4 V 35 mA - 40 C + 85 C SMD/SMT BGA-48 Tray
ISSI SRAM 8M (512Kx16) 10ns Async SRAM 3.3v
Datasheet
800In Stock
630Expected 8/20/2026
Min.: 1
Mult.: 1

8 Mbit 512 k x 16 10 ns Parallel 3.6 V 2.4 V 95 mA - 40 C + 85 C SMD/SMT BGA-48 Tray

ISSI SRAM 8M, 8ns, 2.4-3.6V 512Kx16 Async SRAM
Datasheet
433In Stock
Min.: 1
Mult.: 1

8 Mbit 512 k x 16 8 ns Parallel 3.6 V 2.4 V 55 mA - 40 C + 85 C SMD/SMT TSOP-44 Tray
ISSI SRAM 256K,Low Power,Async,32K x 8,45ns,5v,28 Pin TSOP I (8x13.4mm), RoHS
Datasheet
1,401In Stock
Min.: 1
Mult.: 1

256 kbit 32 k x 8 45 ns Parallel 5.5 V 4.5 V 25 mA - 40 C + 85 C SMD/SMT TSOP-28 Tray
ISSI SRAM 8Mb 1Mb x 8 10ns Async SRAM 3.3v
Datasheet
324In Stock
Min.: 1
Mult.: 1

8 Mbit 1 M x 8 10 ns Parallel 3.6 V 2.4 V 100 mA - 40 C + 85 C SMD/SMT BGA-48 Tray

ISSI SRAM 16Mb 10ns 2Mx8 or 10ns/2.4V-3.6V
Datasheet
570In Stock
Min.: 1
Mult.: 1

16 Mbit 2 M x 8 10 ns Parallel 3.6 V 2.4 V 100 mA - 40 C + 85 C SMD/SMT TSOP-44 Tray

ISSI SRAM 4Mb 256Kx16 10ns Async SRAM 3.3v
Datasheet
2,644In Stock
2,000Expected 8/19/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

4 Mbit 256 k x 16 10 ns Parallel 3.6 V 2.4 V 45 mA - 40 C + 85 C SMD/SMT TSOP-44 Reel, Cut Tape, MouseReel
ISSI SRAM 4Mb 256Kx16 10ns Async SRAM 3.3v
Datasheet
550In Stock
Min.: 1
Mult.: 1

4 Mbit 256 k x 16 10 ns Parallel 3.6 V 2.4 V 45 mA - 40 C + 85 C SMD/SMT BGA-48 Tray

ISSI SRAM 4Mb,High-Speed/Low Power,Async,256K x 16,8ns/3.3v,or 10ns/2.4v-3.6v,44 Pin TSOP II, RoHS
Datasheet
1,965In Stock
Min.: 1
Mult.: 1

4 Mbit 256 k x 16 10 ns Parallel 3.6 V 2.4 V 45 mA - 40 C + 85 C SMD/SMT TSOP-44 Tray

ISSI SRAM 8Mb, Low Power/Power Saver,Async,512K x 16,55ns,2.5v-3.6v,44 Pin TSOP II, RoHS
Datasheet
1,733In Stock
Min.: 1
Mult.: 1

8 Mbit 512 k x 16 55 ns 18 MHz Parallel 3.6 V 2.5 V 4 mA - 40 C + 85 C SMD/SMT TSOP-44 Tray

ISSI SRAM 512K,High-Speed,Async,32K x 16,12ns,5v,44 Pin TSOP II, RoHS
Datasheet
1,992In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

512 kbit 32 k x 16 12 ns Parallel 5.5 V 4.5 V 45 mA - 40 C + 85 C SMD/SMT TSOP-II-44 Reel, Cut Tape, MouseReel