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Products > Memory > Product Lineup > Static RAM (SRAM) > Low Power SRAM >

Low Power SRAM 256K bit

(Temperature Range: TA=0 to 70°C)(Extended Temperature: TA=-25 to +85°C)
  • 256K


256K bits (32K words x 8 bits organization)

Part Number Supply
Voltage
(V) 		Speed
Grade 		Access
Time
MAX.
(ns) 		Maximum
Supply Current 		Package Operating
Ambient
Temperature
(°C) 		Data
Sheet
Active
(mA) 		Standby
(µA) 		Data
Retention
(µA)
µPD43256B 4.5 to 5.5 70L 70 45 50 3
(TA≤40°C) 		CZ:
28-pin DIP
(15.24mm(600))
GU:
28-pin SOP
(11.43mm(450)) 		0 to 70 (310KB)
85L 85
70LL 70 45 15 2
(TA≤40°C) 		CZ:
28-pin DIP
(15.24mm(600))
GU:
28-pin SOP
(11.43mm(450))
GW:
28-pin TSOP(I)
(8x13.4mm)
85LL 85
3.0 to 5.5 A85 85 45 15 2
(TA≤40°C) 		GU:
28-pin SOP
(11.43mm(450))
A10 100
A12 120
2.7 to 5.5 B10 100
B12 120
4.5 to 5.5 70X 70 45 50 2
(TA≤40°C) 		GW:
28-pin TSOP(I)
(8x13.4mm) 		-25 to
+85 		(270KB)
85X 85
3.0 to 5.5 A85X 85
A10X 100 40
A12X 120
2.7 to 5.5 B10X 100
B15X 150
µPD43257B 4.5 to 5.5 70L 70 45 50 3
(TA≤40°C) 		CZ:
28-pin DIP
(15.24mm(600))
GU:
28-pin SOP
(11.43mm(450)) 		0 to 70 (183KB)
85L 85
70LL 70 15 2
(TA≤40°C)
85LL 85



 
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