Abridged Data Sheet

DS28CN01

2 of 9

ABSOLUTE MAXIMUM RATINGS

Voltage Range on Any Pin Relative to Ground

-0.5V, +6V

Maximum Current Any Pin

±20mA

Operating Temperature Range

-40°C to +85°C

Junction Temperature

+150°C

Storage Temperature Range

-55°C to +125°C

Soldering Temperature

See IPC/JEDEC J-STD-020

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.

ELECTRICAL CHARACTERISTICS (see Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage

1.62

5.50

V

Standby Current

5.5

µA

Operating Current

Bus active at 400kHz,

500

µA

Power-Up Wait Time

(Note 2)

5

µs

EEPROM

10

Programming Time

45

ms

Programming Current

1.2

mA

At +25°C

200k

Endurance (Notes 3, 4, 5)

At +85°C

50k

—

Data Retention (Notes 6, 7, 8)

At +85°C

40

years

SHA-1 Engine

SHA Computation Time

See full version of data

sheet

ms

SHA Computation Current

See full version of data

sheet

mA

SCL, SDA, AD1, AD0 Pins (Note 9) (See Figure 3)

-0.3

LOW Level Input Voltage

-0.3

0.25 ×

V

0.7 ×

+0.3V

HIGH Level Input Voltage

0.8 ×

+0.3V

V

0.05 ×

Hysteresis of Schmitt Trigger

Inputs (Note 2)

0.1 ×

V

0.4

LOW Level Output Voltage at

4mA Sink Current, Open Drain

V

20 +

250

from 10pF to 400pF

(Notes 2, 10)

20 +

300

ns

Pulse Width of Spikes that are

Suppressed by the Input Filter

(Note 2)

50

ns

Input Current with an Input

(Note 11)

-10

+10

µA