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
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Access Time
Maximum Clock Frequency
Interface Type
Supply Voltage - Max
Supply Voltage - Min
Supply Current - Max
Minimum Operating Temperature
Maximum Operating Temperature
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Packaging

ISSI SRAM 4M (256Kx16) 10ns Async SRAM
Datasheet
1,980In Stock
Min.: 1
Mult.: 1
Max.: 26

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 Tray

ISSI SRAM 2M (128Kx16) 12ns Async SRAM
Datasheet
345In Stock
Min.: 1
Mult.: 1
Max.: 49

2 Mbit 128 k x 16 12 ns Parallel 3.6 V 2.4 V 60 mA - 40 C + 125 C SMD/SMT TSOP-44 Tray

ISSI SRAM 1Mb 15ns 64Kx16 Async SRAM
Datasheet
1,039In Stock
Min.: 1
Mult.: 1
Max.: 6

1 Mbit 64 k x 16 15 ns Parallel 3.6 V 2.5 V 50 mA - 40 C + 125 C SMD/SMT TSOP-44 Tray
ISSI SRAM 32Mb,High-Speed-Automotive,Async,2048K x 16,12ns,2.4v-3.6v,48 Pin TSOP I, RoHS, Automotive temp
Datasheet
196In Stock
Min.: 1
Mult.: 1
Max.: 200

32 Mbit 2 M x 16 12 ns Parallel 3.6 V 2.4 V 110 mA - 40 C + 125 C SMD/SMT TSOP-48

ISSI SRAM 4Mb (256K x 16) 8ns Async SRAM
Datasheet
56In Stock
135Expected 4/3/2026
Min.: 1
Mult.: 1
Max.: 46

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 Tray
ISSI SRAM 1M, 2.4V-3.6V, 10ns LP Async SRAM
Datasheet
306In Stock
Min.: 1
Mult.: 1
Max.: 55

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

ISSI SRAM 1Mb 5V 15ns 64K x 16 Async SRAM
Datasheet
106In Stock
Min.: 1
Mult.: 1
Max.: 6

1 Mbit 64 k x 16 15 ns Parallel 5.5 V 4.5 V 50 mA - 40 C + 125 C SMD/SMT TSOP-44 Tray
ISSI SRAM 1M (128Kx8) 12ns 5V Async SRAM
Datasheet
696In Stock
Min.: 1
Mult.: 1
Max.: 94

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 Tray
ISSI SRAM 64K 8Kx8 10ns 5V Async SRAM
Datasheet
99In Stock
Min.: 1
Mult.: 1
Max.: 9

64 kbit 8 k x 8 10 ns Parallel 5.25 V 4.75 V 50 mA - 40 C + 85 C SMD/SMT TSOP-28 Tray

ISSI SRAM 4Mb,High-Speed/Low Power,Async,256K x 16,8ns/3.3v +/-10%,or 10ns/2.4v-3.6v,44 Pin TSOP II, RoHS
Datasheet
375In Stock
Min.: 1
Mult.: 1
Max.: 141

4 Mbit 256 k x 16 10 ns Parallel 3.6 V 2.4 V 25 mA - 40 C + 85 C SMD/SMT TSOP-44
ISSI SRAM 1Mb (128Kx8) 10ns Async SRAM 3.3v
Datasheet
184In Stock
Min.: 1
Mult.: 1
Max.: 200

1 Mbit 128 k x 8 10 ns Parallel 3.6 V 2.4 V 55 mA - 40 C + 85 C SMD/SMT Tray
ISSI SRAM 512K 32Kx16 12ns Async SRAM
Datasheet
192In 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 SOJ-44 Tube

ISSI SRAM 4Mb,High-Speed/Low Power,Async,512K x 8,10ns, 2.4v-3.6v, 44 Pin TSOP II, RoHS
Datasheet
315In Stock
Min.: 1
Mult.: 1
Max.: 38

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 256K (32K x 8) 20ns Async SRAM 3.3v
Datasheet
101In Stock
Min.: 1
Mult.: 1
Max.: 9

256 kbit 32 k x 8 20 ns Parallel 3.63 V 2.97 V 25 mA - 40 C + 85 C SMD/SMT TSOP-28 Tray

ISSI SRAM 16Mb, Low Power/Power Saver,Async,1Mb x 16/2Mb x 8, 55ns, 2.2v-3.6v,48 Pin TSOP I, RoHS
Datasheet
112In Stock
Min.: 1
Mult.: 1
Max.: 31

16 Mbit 1 M x 16 55 ns 3.6 V 2.2 V 12 mA - 40 C + 85 C SMD/SMT TSOP-48 Tray
ISSI SRAM 8Mb 1Mb x 8 10ns Async SRAM 3.3v
Datasheet
94In 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 256K 32Kx8 45ns Async SRAM 3.3v
Datasheet
905In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 4
Reel: 1,000

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 Reel, Cut Tape, MouseReel

ISSI SRAM 8M (1Mx8) 55ns Async SRAM 5v
Datasheet
111In Stock
Min.: 1
Mult.: 1
Max.: 2

8 Mbit 1 M x 8 55 ns Parallel 5.5 V 4.5 V 25 mA - 40 C + 85 C SMD/SMT TSOP-44 Tray

ISSI SRAM 8Mb, Low Power/Power Saver,Async,512K x 16,45ns,2.2v-3.6v,44 Pin TSOP II, ECC, RoHS
Datasheet
218In Stock
Min.: 1
Mult.: 1
Max.: 2

8 Mbit 512 k x 16 45 ns Parallel 3.6 V 2.2 V 35 mA - 40 C + 85 C SMD/SMT TSOP-44
ISSI SRAM 8Mb LowPwr/Pwr Saver Async 512Kx16 45ns
Datasheet
247In Stock
Min.: 1
Mult.: 1
Max.: 200

8 Mbit 512 k x 16 45 ns Parallel 3.6 V 2.2 V 15 mA - 40 C + 85 C SMD/SMT
ISSI SRAM 8Mb,High-Speed/Low Power,Async with ECC,512K x 16,10ns,2.4V-3.6V,48 Pin TSOP I, ERR1/2 pins, RoHS
Datasheet
132In Stock
Min.: 1
Mult.: 1
Max.: 200

8 Mbit 512 k x 16 10 ns Parallel 3.6 V 2.4 V 95 mA - 40 C + 85 C SMD/SMT TSOP-48
ISSI SRAM 16Mb,High-Speed,Async,1Mbx16, 20ns, 1.65v-2.2v, 48 Ball mBGA (6x8 mm), RoHS
Datasheet
74In Stock
Min.: 1
Mult.: 1
Max.: 26

16 Mbit 1 M x 16 20 ns Parallel 2.2 V 1.65 V 90 mA - 40 C + 85 C SMD/SMT BGA-48
ISSI SRAM 64K 8Kx8 10ns 5V Async SRAM
Datasheet
453In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 26
Reel: 1,000

64 kbit 8 k x 8 10 ns Parallel 5.25 V 4.75 V 50 mA - 40 C + 85 C SMD/SMT SOJ-28 Reel, Cut Tape, MouseReel
ISSI SRAM 16Mb,High-Speed,Async,2Mbx8,10ns, 2.4v-3.6v, 54 Pin TSOP II, RoHS
Datasheet
104In Stock
Min.: 1
Mult.: 1
Max.: 200

16 Mbit 2 M x 8 10 ns Parallel 3.6 V 2.4 V 90 mA - 40 C + 85 C SMD/SMT TSOP-II-54
ISSI SRAM 16Mb,High-Speed,Async,1Mbx16, 20ns, 1.65v-2.2v, 48 Pin TSOP I, RoHS
Datasheet
95In Stock
Min.: 1
Mult.: 1
Max.: 200

16 Mbit 1 M x 16 20 ns Parallel 2.2 V 1.65 V 90 mA - 40 C + 85 C SMD/SMT TSOP-48