Cypress STK12C68-5 manual Maximum Ratings, Operating Range, DC Electrical Characteristics

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STK12C68-5 (SMD5962-94599)

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 DQ0-7or 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

 

75

mA

 

 

 

 

tRC = 55 ns

 

55

mA

 

 

 

 

Dependent on output loading and cycle rate. Values

 

 

 

 

 

 

 

obtained without output loads.

 

 

 

 

 

 

 

IOUT = 0 mA.

 

 

 

ICC2

Average VCC Current

 

All Inputs Do Not Care, VCC = Max

 

3

mA

 

 

during STORE

 

Average current for duration tSTORE

 

 

 

ICC3

Average VCC Current at

 

WE

> (VCC – 0.2V). All other inputs cycling.

 

10

mA

 

 

tRC= 200 ns, 5V, 25°C

 

Dependent on output loading and cycle rate. Values

 

 

 

 

 

Typical

 

obtained without output loads.

 

 

 

ICC4

Average VCAP Current

 

All Inputs Do Not Care, VCC = Max

 

2

mA

 

 

during AutoStore Cycle

Average current for duration tSTORE

 

 

 

I

[5]

VCC Standby Current

 

tRC = 35 ns,

CE

> VIH

 

24

mA

SB1

 

(Standby, Cycling TTL

 

tRC = 55 ns, CE > VIH

 

19

mA

 

 

 

 

 

 

Input Levels)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I

[5]

VCC Standby Current

 

CE

> (VCC – 0.2V). All others VIN < 0.2V or > (VCC – 0.2V).

 

2.5

mA

SB2

 

 

 

Standby current level after nonvolatile cycle is complete.

 

 

 

 

 

 

 

Inputs are static. f = 0 MHz.

 

 

 

 

 

 

 

 

 

 

IIX

 

Input Leakage Current

VCC = Max, VSS < VIN < VCC

-1

+1

μA

IOZ

 

Off State Output

 

VCC = Max, VSS < VIN < VCC,

CE

or

OE

> VIH or

WE

< VIL

-5

+5

μA

 

 

Leakage Current

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

IOUT = 3 mA

 

0.4

V

 

 

HSB Output

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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.

Document Number: 001-51026 Rev. **

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Contents Cypress Semiconductor Corporation 198 Champion Court FeaturesLogic Block Diagram Functional DescriptionPin Definitions PinoutsAutoStore Operation Device OperationSram Read Sram WriteSoftware Store AutoStore Inhibit ModeHardware Recall Power Up Hardware Store HSB OperationHardware Protect Low Average Active PowerData Protection Noise ConsiderationsA12-A0 Mode Power Hardware Mode SelectionBest Practices Operating Range DC Electrical CharacteristicsRange Ambient Temperature Maximum RatingsAC Test Conditions Data Retention and EnduranceCapacitance Thermal ResistanceParameter AC Switching CharacteristicsSwitching Waveforms Parameter Description 35 ns 55 ns Unit Cypress Alt Min MaxSram Write Cycle 2 CE Controlled 11 Sram Write Cycle 1 WE Controlled 11Switching Waveform AutoStore or Power Up RecallParameter Alt Description STK12C68-5 Unit Min Max Parameter Alt Description 35 ns 55 ns Unit Min Max Software Controlled STORE/RECALL CycleHardware Store Cycle Hardware Store CycleSMD5962 94599 01 MX Part Numbering Nomenclature STK12C68 5 C 35 MPin LCC 350 mil Ordering InformationPin 300-Mil Side Braze DIL Package DiagramsPad 350-Mil LCC New data sheet Sales, Solutions, and Legal InformationDocument History