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CY14V256LA_13 Datasheet, PDF (7/22 Pages) Cypress Semiconductor – 256-Kbit (32 K x 8) nvSRAM
CY14V256LA
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
Maximum accumulated storage time:
At 150 C ambient temperature ..................... 1000 h
At 85 C ambient temperature .................... 20 Years
Maximum junction temperature ................................. 150 C
Supply voltage on VCC relative to VSS ...........–0.5 V to 4.1 V
Supply voltage on VCCQ relative to VSS ......–0.5 V to 2.45 V
Voltage applied to outputs
in High Z State ..................................–0.5 V to VCCQ + 0.5 V
Input voltage .....................................–0.5 V to VCCQ + 0.5 V
Transient voltage (< 20 ns) on
any pin to ground potential ...............–2.0 V to VCCQ + 2.0 V
Package power dissipation
capability (TA = 25 °C) ................................................. 1.0 W
Surface mount Pb soldering
temperature (3 seconds) ......................................... +260 C
DC output current
(1 output at a time, 1s duration) .................................. 15 mA
Static discharge voltage
(per MIL-STD-883, Method 3015) ......................... > 2001 V
Latch up current .................................................... > 140 mA
Operating Range
Range
Ambient
Temperature
VCC
VCCQ
Industrial –40 C to +85 C 3.0 V to 3.6 V 1.65 V to 1.95 V
DC Electrical Characteristics
Over the Operating Range
Parameter
VCC
VCCQ
ICC1
ICCQ1
ICC2
ICC3
ICCQ3
ICC4
ISB
IIX[5]
Description
Power supply voltage
Test Conditions
Average VCC current
Average VCCQ current
Average VCC current during
STORE
Average VCC current at
tRC = 200 ns, VCC(Typ), 25 °C
Average VCCQ current at
tRC = 200 ns, VCCQ(Typ), 25 °C
Average VCAP current during
AutoStore cycle
VCC standby current
Input leakage current
(except HSB)
Input leakage current (for HSB)
tRC = 35 ns
Values obtained without output
loads
(IOUT = 0 mA)
All inputs don’t care, VCC = Max
Average current for duration tSTORE
All inputs cycling at CMOS levels.
Values obtained without output
loads (IOUT = 0 mA)
All inputs don’t care. Average
current for duration tSTORE
CE > (VCCQ – 0.2 V).
VIN < 0.2 V or > (VCCQ – 0.2 V).
Standby current level after
nonvolatile cycle is complete. Inputs
are static. f = 0 MHz
VCCQ = Max, VSS < VIN < VCCQ
VCCQ = Max, VSS < VIN < VCCQ
Min
3.0
1.65
–
–
–
–
–
–
–
–1
–100
Typ [4]
3.3
1.8
–
–
–
35
5
–
–
–
–
Max Unit
3.6
V
1.95
V
60
mA
20
mA
10
mA
–
mA
–
mA
8
mA
8
mA
+1
µA
+1
µA
Notes
4. Typical values are at 25 °C, VCC = VCC(Typ) and VCCQ= VCCQ(Typ). Not 100% tested.
5. The HSB pin has IOUT = –4 µA for VOH of 1.07 V when both active HIGH and LOW drivers are disabled. When they are enabled standard VOH and VOL are valid. This
parameter is characterized but not tested.
Document Number: 001-76295 Rev. *B
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