DS2703 SHA-1 Battery Pack Authentication IC

2 of 20

ABSOLUTE MAXIMUM RATINGS

Voltage Range on DQ, THM Pins Relative to Ground

-0.3V to +18V

Voltage Range on VB Pin Relative to Ground

-0.3V to +6V

Operating Temperature Range

-40°C to +85°C

Storage Temperature Range

-55°C to +125°C

Soldering Temperature

See IPC/JEDEC J-STD-020A Specification

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

RECOMMENDED DC OPERATING CONDITIONS

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Communication Mode

0

5.5

DQ Pullup Voltage

Computation Mode

2.7

5.5

V

DQ, THM Relative Voltage

(Note 1)

-0.3

15

V

DQ to THM Resistor

(Note 2)

5

500

K

W

DC ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Communication Mode

5

mA

Computation Mode,

SHA-1 Computation Active

0.5

mA

Thermistor Mux Active,

(Note 3)

1

mA

14.5 < V(DQ) < 15.0V

0 < t < 50

10

mA

DQ Load Current

(Note 4)

60

mA

DQ Programming Voltage

Program Pulse, (Note 5, 6)

14.5

15.0

V

Input Logic High: DQ

(Note 6)

V

Input Logic Low: DQ

(Note 6)

0.5

V

Output Logic Low: DQ

0.4

V

Output Logic Low: THM

0.4

V

Hold-Up Current: VB pin

3.2

mA

DQ Capacitance

(Note 9)

50

pF

EEPROM RELIABILITY SPECIFICATION

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

EEPROM Write Endurance

0 < t < 50

1000

Cycles