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 (CLP) 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 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

ISSI SRAM 1Mb 64Kx16 12ns 5v Async SRAM
Datasheet
1.110In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

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 Reel, Cut Tape, MouseReel

ISSI SRAM 1Mb 128K x 8 35ns 5v Async SRAM 5v
Datasheet
481In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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
3.108In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.000

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 Reel, Cut Tape, MouseReel
ISSI SRAM 256K 32K x 8 45ns 5v Async SRAM 5v
Datasheet
2.199In Stock
9.000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 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 4Mb 3.6v 10ns 512Kx16 LPAsync SRAM
Datasheet
960In Stock
Min.: 480
Mult.: 480

4 Mbit 256 k x 16 10 ns Parallel 3.6 V 2.4 V 50 mA - 40 C + 125 C SMD/SMT BGA-48

ISSI SRAM 16M (1Mx16) 10ns Async SRAM
Datasheet
87In 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 TSOP-48 Tray

ISSI SRAM 4M (256Kx16) 10ns Async SRAM
Datasheet
334In Stock
Min.: 1
Mult.: 1

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 4Mb,High-Speed,Low Power,Async,512K x 8,25ns,5v,32 Pin SOP (450 mil), RoHS
Datasheet
244In Stock
588Expected 8/27/2026
Min.: 1
Mult.: 1

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 Tray
ISSI SRAM 4M (512Kx8) 25ns Async SRAM
Datasheet
122In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 2M (128Kx16) 10ns Async SRAM 3.3v
Datasheet
280In Stock
Min.: 1
Mult.: 1

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
351In Stock
Min.: 1
Mult.: 1

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 4M (512Kx8) 10ns Async SRAM
Datasheet
233In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

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 Reel, Cut Tape, MouseReel

ISSI SRAM 4Mb,High-Speed/Low Power,Async,512K x 8,10ns, 2.4v-3.6v, 44 Pin TSOP II, RoHS
Datasheet
236In Stock
Min.: 1
Mult.: 1

4 Mbit 512 k x 8 10 ns Parallel 3.6 V 2.4 V 25 mA - 40 C + 85 C SMD/SMT TSOP-44

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
298In Stock
Min.: 1
Mult.: 1

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
387In Stock
600Expected 8/28/2026
Min.: 1
Mult.: 1

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
505In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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
330In Stock
Min.: 1
Mult.: 1

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 45ns Async SRAM 3.3v
Datasheet
146In Stock
Min.: 1
Mult.: 1

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
112In Stock
Min.: 1
Mult.: 1
: 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
24In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 512K 32Kx16 12ns Async SRAM
Datasheet
115In Stock
Min.: 1
Mult.: 1

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
145In Stock
Min.: 1
Mult.: 1

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 1Mb 128K x 8 35ns 5v Async SRAM 5v
Datasheet
415In Stock
1.848On Order
Min.: 1
Mult.: 1

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 4M (512Kx8) 25ns Async SRAM
Datasheet
173In Stock
Min.: 1
Mult.: 1

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