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Maximum ratings, Operating range, Dc electrical characteristics – Cypress STK14C88-5 User Manual

Page 7: Data retention and endurance

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STK14C88-5

Document Number: 001-51038 Rev. **

Page 7 of 17

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 V

CC

+ 0.5V

Voltage on DQ

0-7

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

V

CC

Military

-55

°C to +125°C

4.5V to 5.5V

DC Electrical Characteristics

Over the operating range (V

CC

= 4.5V to 5.5V)

[6]

Parameter

Description

Test Conditions

Min

Max

Unit

I

CC1

Average V

CC

Current

t

RC

= 35 ns

t

RC

= 45 ns

Dependent on output loading and cycle rate. Values obtained
without output loads.
I

OUT

= 0 mA.

85
70

mA
mA

I

CC2

Average V

CC

Current

during STORE

All Inputs Do Not Care, V

CC

= Max

Average current for duration t

STORE

3

mA

I

CC3

Average V

CC

Current at

t

RC

= 200 ns, 5V, 25°C

Typical

WE > (V

CC

– 0.2V). All other inputs cycling.

Dependent on output loading and cycle rate. Values obtained
without output loads.

10

mA

I

CC4

Average V

CAP

Current

during AutoStore Cycle

All Inputs Do Not Care, V

CC

= Max

Average current for duration t

STORE

2

mA

I

SB1

[7]

V

CC

Standby Current

(Standby, Cycling TTL
Input Levels)

t

RC

= 35 ns, CE > V

IH

t

RC

= 45 ns, CE > V

IH

26
23

mA
mA

I

SB2

[7]

V

CC

Standby Current

CE > (V

CC

– 0.2V). All others V

IN

< 0.2V or > (V

CC

– 0.2V).

Standby current level after nonvolatile cycle is complete.
Inputs are static. f = 0 MHz.

1.5

mA

I

IX

Input Leakage Current

V

CC

= Max, V

SS

< V

IN

< V

CC

-1

+1

μA

I

OZ

Off State Output Leakage
Current

V

CC

= Max, V

SS

< V

IN

< V

CC

, CE or OE > V

IH

or WE < V

IL

-5

+5

μA

V

IH

Input HIGH Voltage

2.2

V

CC

+

0.5

V

V

IL

Input LOW Voltage

V

SS

0.5

0.8

V

V

OH

Output HIGH Voltage

I

OUT

= –4 mA

2.4

V

V

OL

Output LOW Voltage

I

OUT

= 8 mA

0.4

V

V

BL

Logic ‘0’ Voltage on HSB
Output

I

OUT

= 3 mA

0.4

V

V

CAP

Storage Capacitor

Between V

CAP

pin and Vss, 6V rated. 68 µF +20% nom.

54

260

uF

Data Retention and Endurance

Parameter

Description

Min

Unit

DATA

R

Data Retention

100

Years

NV

C

Nonvolatile STORE Operations

1,000

K

Notes

6. V

CC

reference levels throughout this data sheet refer to V

CC

if that is where the power supply connection is made, or V

CAP

if V

CC

is connected to ground.

7. CE > V

IH

does not produce standby current levels until any nonvolatile cycle in progress has timed out.

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