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CY14B256L-SZ45XI Datasheet(PDF) 7 Page - Cypress Semiconductor

Part # CY14B256L-SZ45XI
Description  256 Kbit (32K x 8) nvSRAM
Download  18 Pages
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Manufacturer  CYPRESS [Cypress Semiconductor]
Direct Link  http://www.cypress.com
Logo CYPRESS - Cypress Semiconductor

CY14B256L-SZ45XI Datasheet(HTML) 7 Page - Cypress Semiconductor

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CY14B256L
Document Number: 001-06422 Rev. *H
Page 7 of 18
Maximum Ratings
Exceeding maximum ratings may shorten the useful life of the
device. These user guidelines are not tested.
Storage Temperature ................................. –65
°C to +150°C
Ambient Temperature with
Power Applied ............................................ –55
°C to +125°C
Supply Voltage on VCC Relative to GND ..........–0.5V to 4.1V
Voltage Applied to Outputs
in High Z State ....................................... –0.5V to VCC + 0.5V
Input Voltage...........................................–0.5V to Vcc + 0.5V
Transient Voltage (<20 ns) on
Any Pin to Ground Potential .................. –2.0V to VCC + 2.0V
Package Power Dissipation
Capability (TA = 25°C) ................................................... 1.0W
Surface Mount Lead Soldering
Temperature (3 Seconds) .......................................... +260
°C
DC output Current (1 output at a time, 1s duration) .... 15 mA
Static Discharge Voltage.......................................... > 2001V
(MIL-STD-883, Method 3015)
Latch Up Current ................................................... > 200 mA
Operating Range
Range
Ambient Temperature
VCC
Commercial
0
°C to +70°C
2.7V to 3.6V
Industrial
-40
°C to +85°C
2.7V to 3.6V
DC Electrical Characteristics
Over the operating range (VCC = 2.7V to 3.6V)
[4]
Parameter
Description
Test Conditions
Min
Max
Unit
ICC1
Average VCC Current
tRC = 25 ns
tRC = 35 ns
tRC = 45 ns
Dependent on output loading and cycle rate.
Values obtained without output loads.
IOUT = 0 mA.
Commercial
65
55
50
mA
mA
Industrial
70
60
55
mA
mA
mA
ICC2
Average VCC Current
during STORE
All Inputs Do Not Care, VCC = Max
Average current for duration tSTORE
3mA
ICC3
Average VCC Current at
tRC= 200 ns, 5V, 25°C
Typical
WE > (VCC – 0.2V). All other inputs cycling.
Dependent on output loading and cycle rate. Values obtained
without output loads.
10
mA
ICC4
Average VCAP Current
during AutoStore Cycle
All Inputs Do Not Care, VCC = Max
Average current for duration tSTORE
3mA
ISB
VCC Standby Current
CE > (VCC – 0.2V). All others VIN < 0.2V or > (VCC – 0.2V).
Standby current level after nonvolatile cycle is complete.
Inputs are static. f = 0 MHz.
3mA
IIX
Input Leakage Current
VCC = Max, VSS < VIN < VCC
-1
+1
μA
IOZ
Off State Output
Leakage Current
VCC = Max, VSS < VIN < VCC, CE or OE > VIH or WE < VIL
-1
+1
μA
VIH
Input HIGH Voltage
2.0
VCC +
0.5
V
VIL
Input LOW Voltage
VSS – 0.5
0.8
V
VOH
Output HIGH Voltage
IOUT = –2 mA
2.4
V
VOL
Output LOW Voltage
IOUT = 4 mA
0.4
V
VCAP
Storage Capacitor
Between VCAP pin and Vss, 6V rated.
17
120
uF
Data Retention and Endurance
Parameter
Description
Min
Unit
DATAR
Data Retention at 55
°C
20
Years
NVC
Nonvolatile STORE Operations
200
K
Note
4. The HSB pin has IOUT = –10 μA for VOH of 2.4 V. This parameter is characterized but not tested.
[+] Feedback


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