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 (EUR) 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
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Packaging
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
115In Stock
135Expected 4/8/2026
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

ISSI SRAM 4M (512Kx8) 25ns Async SRAM
Datasheet
189In Stock
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 8M (512Kx16) 10ns Async SRAM
Datasheet
39In Stock
Min.: 1
Mult.: 1
Max.: 200

8 Mbit 10 ns 3.6 V 2.4 V 140 mA - 40 C + 125 C SMD/SMT BGA-48 Tray

ISSI SRAM 4Mb,High-Speed/Low Power,Async,256K x 16,10ns,2.4v-3.6v,44 Pin TSOP II, RoHS, Automotive temp
Datasheet
8In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 5
Reel: 1.000

4 Mbit 10 ns 3.6 V 2.4 V 60 mA - 40 C + 125 C SMD/SMT TSOP-44 Reel, Cut Tape, MouseReel

ISSI SRAM 4M (256Kx16) 10ns Async SRAM
Datasheet
5In Stock
135Expected 4/8/2026
Min.: 1
Mult.: 1
Max.: 32

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
ISSI SRAM 8Mb,High-Speed/Low Power,Async with ECC,1Mb x 8,10ns,2.4V-3.6V,48 Ball mBGA (6x8 mm), RoHS
Datasheet
9In Stock
Min.: 1
Mult.: 1

8 Mbit 1 M x 8 10 ns Parallel 3.6 V 2.4 V 50 mA - 40 C + 85 C SMD/SMT BGA-48 Tray
ISSI SRAM 2Mb 256Kx8 10ns Async SRAM 3.3v
Datasheet
3In Stock
Min.: 1
Mult.: 1

2 Mbit 256 k x 8 10 ns Parallel 3.63 V 2.97 V 65 mA - 40 C + 85 C SMD/SMT SOJ-36 Tube
ISSI SRAM 8Mb, Low Power/Power Saver,Async,512K x 16,55ns,2.5v 3.6v,48 Ball mBGA (7.2x8.7mm), RoHS
Datasheet
4.713On Order
MouseReel Available
Min.: 1
Mult.: 1
Max.: 663
Reel: 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 4M (512Kx8) 10ns Async SRAM 3.3v
Datasheet
959Expected 3/31/2026
Min.: 1
Mult.: 1
Max.: 202

4 Mbit 512 k x 8 10 ns Parallel 3.6 V 2.4 V 45 mA - 40 C + 85 C SMD/SMT BGA-36 Tray

ISSI SRAM 8M, 2.4-3.6V, 10ns 512Kx16 Asych SRAM
Datasheet
1.122On Order
Min.: 1
Mult.: 1
Max.: 151

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 8Mb 1Mb x 8 10ns Async SRAM 3.3v
Datasheet
79In Stock
Min.: 1
Mult.: 1
Max.: 200

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 4Mb,High-Speed/Low Power,Async with ECC,512K x 8,10ns/2.4V-3.6V,36 Ball mBGA (6x8 mm), RoHS
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2.500
Mult.: 2.500
Reel: 2.500

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 Reel

ISSI SRAM 2Mb,High-Speed,Async with ECC,128K x 16,10ns,2.4V-3.6V, 44 Pin TSOP II, RoHS
Datasheet
Non-Stocked Lead-Time 12 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

2 Mbit 128 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, MouseReel

ISSI SRAM 4Mb,High-Speed/Low Power,Async with ECC,256K x 16,8ns,3.3V,44 Pin TSOP II, RoHS
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1.000
Mult.: 1.000
Reel: 1.000

4 Mbit 256 k x 16 8 ns Parallel 3.63 V 2.97 V 45 mA - 40 C + 85 C SMD/SMT TSOP-44 Reel

ISSI SRAM 2Mb,High-Speed,Async with ECC,256K x 8,10ns,2.4V-3.6V, 44 Pin TSOP II, RoHS
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1.000
Mult.: 1.000
Reel: 1.000

2 Mbit 256 k x 8 10 ns Parallel 3.6 V 2.4 V 35 mA - 40 C + 85 C SMD/SMT TSOP-44 Reel

ISSI SRAM 2Mb (256K x 8) 10ns Async SRAM
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

2 Mbit 256 k x 8 10 ns Parallel 3.6 V 2.4 V 35 mA - 40 C + 85 C SMD/SMT TSOP-44 Tube
ISSI SRAM 1Mb,High-Speed,Async,128K x 8,12ns,5v,32 Pin sTSOP I (8x13.4mm), RoHS
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 2.000
Mult.: 2.000
Reel: 2.000

1 Mbit 128 k x 8 12 ns Parallel 5.5 V 4.5 V 40 mA - 40 C + 85 C SMD/SMT sTSOP-32 Reel

ISSI SRAM 4Mb,High-Speed,Async,256K x 16,10ns,5v,44 Pin TSOP II, RoHS
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1.000
Mult.: 1.000
Reel: 1.000

4 Mbit 256 k x 16 10 ns Parallel 5.5 V 4.5 V 50 mA - 40 C + 85 C SMD/SMT TSOP-44 Reel

ISSI SRAM 4Mb,High-Speed,Low Power,Async,256K x 16,5v,44 Pin TSOP II, RoHS
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1.000
Mult.: 1.000
Reel: 1.000

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 Reel
ISSI SRAM 256K,High-Speed,Async,32K x 8,12ns,5v,28 Pin TSOP I (8x13.4mm), RoHS
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 2.000
Mult.: 2.000
Reel: 2.000

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 Reel

ISSI SRAM 4Mb,High-Speed,Async,512K x 8,10ns,5v,44 Pin TSOP II, RoHS
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1.000
Mult.: 1.000
Reel: 1.000

4 Mbit 512 k x 8 10 ns Parallel 5.5 V 4.5 V 50 mA - 40 C + 85 C SMD/SMT TSOP-44 Reel
ISSI SRAM 4Mb,High-Speed,Low Power,Async,512K x 8,25ns,5v,32 Pin sTSOP I, RoHS
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 2.000
Mult.: 2.000
Reel: 2.000

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