3.3V Single-Piece 1Mb Nonvolatile SRAM

with Clock

2

_____________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

RECOMMENDED OPERATING CONDITIONS

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

Voltage Range on Any Pin Relative to Ground......-0.3V to +4.6V

Operating Temperature Range ...........................-40°C to +85°C

Storage Temperature Range ...............................-40°C to +85°C

Soldering Temperature Range .......See IPC/JEDEC J-STD-020C

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage

3.0

3.3

3.6

V

Input Logic 1

2.2

V

Input Logic 0

0.0

0.4

V

PIN CAPACITANCE

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Input Capacitance

Not production tested

15

pF

Input/Output Capacitance

Not production tested

15

pF

DC ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Input Leakage Current

-1.0

+1.0

µA

I/O Leakage Current

-1.0

+1.0

µA

Output-Current High

At 2.4V

-1.0

mA

Output-Current Low

At 0.4V

2.0

mA

Output-Current Low RST

At 0.4V (Note 1)

8.0

mA

Output-Current Low IRQ/FT

7.0

mA

CE = CS = 2.2V

0.5

7

Standby Current

0.2

5

mA

Operating Current

50

mA

Write Protection Voltage

2.8

2.9

3.0

V