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 (SGD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Memory Size
Organisation
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 512K,High-Speed,Async,32K x 16,12ns,5v,44 Pin TSOP II, RoHS
Datasheet
2,000In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 200
Reel: 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
ISSI SRAM 1Mb 128K x 8 35ns 5v Async SRAM 5v
Datasheet
2,143In Stock
Min.: 1
Mult.: 1
Max.: 674

1 Mbit 128 k x 8 35 ns Parallel 5.5 V 4.5 V 10 mA - 40 C + 85 C SMD/SMT SOP-32 Tray
ISSI SRAM 1Mb 128K x 8 35ns 5v Async SRAM 5v
Datasheet
3,696In Stock
5,720On Order
MouseReel Available
Min.: 1
Mult.: 1
Max.: 2,625
Reel: 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 1Mb 128K x 8 35ns 5v Async SRAM 5v
Datasheet
2,649In Stock
Min.: 1
Mult.: 1
Max.: 63

1 Mbit 128 k x 8 35 ns Parallel 5.5 V 4.5 V 10 mA - 40 C + 85 C SMD/SMT TSOP-32 Tray

ISSI SRAM 1Mb 128K x 8 35ns 5v Async SRAM 5v
Datasheet
1,379In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 40
Reel: 1,500

1 Mbit 128 k x 8 35 ns Parallel 5.5 V 4.5 V 30 mA - 40 C + 85 C SMD/SMT TSOP-32 Reel, Cut Tape, MouseReel
ISSI SRAM 256K 32K x 8 45ns 5v Async SRAM 5v
Datasheet
6,537In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 1,876
Reel: 1,000

256 kbit 32 k x 8 45 ns Parallel 5.5 V 4.5 V 25 mA - 40 C + 85 C SMD/SMT SOP-28 Reel, Cut Tape, MouseReel

ISSI SRAM 16M (1Mx16) 10ns Async SRAM
Datasheet
287In Stock
Min.: 1
Mult.: 1
Max.: 1

16 Mbit 1 M x 16 10 ns Parallel 3.6 V 2.4 V 140 mA - 40 C + 125 C SMD/SMT TSOP-48 Tray
ISSI SRAM 4M (512Kx8) 25ns Async SRAM
Datasheet
137In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 5
Reel: 1,000

4 Mbit 512 k x 8 25 ns Parallel 5.5 V 4.5 V 15 mA - 40 C + 85 C SMD/SMT SOP-32 Reel, Cut Tape, MouseReel

ISSI SRAM 4M (512Kx8) 25ns Async SRAM
Datasheet
96In Stock
117Expected 18/2/2026
Min.: 1
Mult.: 1
Max.: 21

4 Mbit 512 k x 8 25 ns Parallel 5.5 V 4.5 V 15 mA - 40 C + 85 C SMD/SMT TSOP-32 Tray
ISSI SRAM 2M (128Kx16) 10ns Async SRAM 3.3v
Datasheet
188In Stock
Min.: 1
Mult.: 1
Max.: 200

2 Mbit 128 k x 16 10 ns Parallel 3.6 V 2.4 V 65 mA - 40 C + 85 C SMD/SMT BGA-48 Tray

ISSI SRAM 1M, 2.4V-3.6V, 10ns LP Async SRAM
Datasheet
244In Stock
Min.: 1
Mult.: 1
Max.: 12

1 Mbit 128 k x 8 10 ns Parallel 3.6 V 2.4 V 25 mA - 40 C + 85 C SMD/SMT TSOP-32 Tray

ISSI SRAM 1Mb,High-Speed/Low Power,Async,64K x 16,8ns/3.3v or 10ns/2.5v-3.6v,44 Pin TSOP II, RoHS
Datasheet
345In Stock
Min.: 1
Mult.: 1
Max.: 46

1 Mbit 64 k x 16 10 ns Parallel 3.6 V 2.4 V 55 mA - 40 C + 85 C SMD/SMT TSOP-44 Tray
ISSI SRAM 256K (32K x 8) 25ns Async SRAM 5v
Datasheet
960In Stock
Min.: 1
Mult.: 1
Max.: 92

256 kbit 32 k x 8 25 ns Parallel 5.5 V 4.5 V 30 mA - 40 C + 85 C SMD/SMT SOP-28 Tray
ISSI SRAM 256K (32K x 8) 25ns Async SRAM 5v
Datasheet
689In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 36
Reel: 1,000

256 kbit 32 k x 8 25 ns Parallel 5.5 V 4.5 V 30 mA - 40 C + 85 C SMD/SMT SOP-28 Reel, Cut Tape, MouseReel
ISSI SRAM 256K,High-Speed,Async,32K x 8,12ns,5v,28 Pin TSOP I (8x13.4mm), RoHS
Datasheet
296In Stock
468Expected 4/3/2026
Min.: 1
Mult.: 1
Max.: 173

256 kbit 32 k x 8 12 ns 83 MHz Parallel 5.5 V 4.5 V 25 mA - 40 C + 85 C SMD/SMT TSOP-28 Tray
ISSI SRAM 256K 32Kx8 10ns Async SRAM 3.3v
Datasheet
1,159In Stock
Min.: 1
Mult.: 1
Max.: 377

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 Tray
ISSI SRAM 256K,Low Power,Async,32K x 8,45ns,5v,28 Pin TSOP I (8x13.4mm), RoHS
Datasheet
909In Stock
Min.: 1
Mult.: 1
Max.: 278

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 256K 32Kx8 45ns Async SRAM 3.3v
Datasheet
176In Stock
Min.: 1
Mult.: 1
Max.: 200

256 kbit 32 k x 8 45 ns Parallel 3.63 V 2.97 V 5 mA - 40 C + 85 C SMD/SMT SOP-28 Tube

ISSI SRAM 4Mb 512K x 8 10ns Async SRAM
Datasheet
315In Stock
Min.: 1
Mult.: 1
Max.: 200
Reel: 1,000

4 Mbit 256 k x 16 10 ns Parallel 3.6 V 2.4 V 35 mA - 40 C + 85 C SMD/SMT TSOP-44 Reel, Cut Tape

ISSI SRAM 4Mb 256Kx16 10ns Async SRAM 3.3v
Datasheet
30In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 200
Reel: 1,000

4 Mbit 256 k x 16 10 ns Parallel 3.6 V 2.4 V 40 mA 0 C + 70 C SMD/SMT TSOP-44 Reel, Cut Tape, MouseReel

ISSI SRAM 1Mb 128Kx8 12ns 5v Async SRAM
Datasheet
188In Stock
Min.: 1
Mult.: 1
Max.: 36

1 Mbit 128 k x 8 12 ns Parallel 5.5 V 4.5 V 40 mA - 40 C + 85 C SMD/SMT TSOP-32 Tray
ISSI SRAM 512K 32Kx16 12ns Async SRAM
Datasheet
125In Stock
Min.: 1
Mult.: 1
Max.: 200

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 Tray

ISSI SRAM 1Mb,High-Speed,Async,64K x 16,12ns,5v,44 Pin TSOP II, RoHS
Datasheet
204In Stock
Min.: 1
Mult.: 1
Max.: 39

1 Mbit 64 k x 16 12 ns Parallel 5.5 V 4.5 V 45 mA - 40 C + 85 C SMD/SMT TSOP-44 Tray
ISSI SRAM 256K 32Kx8 45ns 3.3v Async SRAM 3.3v
Datasheet
1,394In Stock
Min.: 1
Mult.: 1
Max.: 167

256 kbit 32 k x 8 45 ns Parallel 3.63 V 2.97 V 20 mA - 40 C + 85 C SMD/SMT TSOP-28 Tray

ISSI SRAM 4Mb, 2.4v-3.6v, 10ns 256Kx16 Async SRAM
Datasheet
135In Stock
Min.: 1
Mult.: 1
Max.: 13

4 Mbit 256 k x 16 10 ns Parallel 3.6 V 2.4 V 60 mA - 40 C + 125 C SMD/SMT TSOP-44 Tray