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STK12C68-5K55M Datasheet(PDF) 7 Page - Cypress Semiconductor

Part No. STK12C68-5K55M
Description  64 Kbit (8K x 8) AutoStore nvSRAM
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Maker  CYPRESS [Cypress Semiconductor]
Homepage  http://www.cypress.com
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STK12C68-5 (SMD5962-94599)
Document Number: 001-51026 Rev. **
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
Temperature under Bias ............................. –55
°C to +125°C
Voltage on Input Relative to GND.....................–0.5V to 7.0V
Voltage on Input Relative to Vss............ –0.6V to VCC + 0.5V
Voltage on DQ0-7 or HSB .......................–0.5V to Vcc + 0.5V
Power Dissipation.......................................................... 1.0W
DC output Current (1 output at a time, 1s duration) .... 15 mA
Operating Range
Range
Ambient Temperature
VCC
Military
-55
°C to +125°C
4.5V to 5.5V
DC Electrical Characteristics
Over the operating range (VCC = 4.5V to 5.5V)
[4]
Parameter
Description
Test Conditions
Min
Max
Unit
ICC1
Average VCC Current
tRC = 35 ns
tRC = 55 ns
Dependent on output loading and cycle rate. Values
obtained without output loads.
IOUT = 0 mA.
75
55
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
2mA
ISB1
[5]
VCC Standby Current
(Standby, Cycling TTL
Input Levels)
tRC = 35 ns, CE > VIH
tRC = 55 ns, CE > VIH
24
19
mA
mA
ISB2
[5]
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.
2.5
mA
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
-5
+5
μA
VIH
Input HIGH Voltage
2.2
VCC + 0.5
V
VIL
Input LOW Voltage
VSS – 0.5
0.8
V
VOH
Output HIGH Voltage
IOUT = –4 mA
2.4
V
VOL
Output LOW Voltage
IOUT = 8 mA
0.4
V
VBL
Logic ‘0’ Voltage on
HSB Output
IOUT = 3 mA
0.4
V
VCAP
Storage Capacitor
Between Vcap pin and Vss, 6V rated. 68 µF +20% nom.
54
260
µF
Notes
4. VCC reference levels throughout this data sheet refer to VCC if that is where the power supply connection is made, or VCAP if VCC is connected to ground.
5. CE > VIH does not produce standby current levels until any nonvolatile cycle in progress has timed out.
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