HCS412

DS41099C-page 36

Preliminary

© 2002 Microchip Technology Inc.

8.0

ELECTRICAL CHARACTERISTICS

TABLE 8-1:

ABSOLUTE MAXIMUM RATING

Symbol

Item

Rating

Units

Supply voltage

-0.3 to 6.6

V

Input voltage

V

Output voltage

V

Max output current

50

mA

Storage temperature

-55 to +125

C (Note)

Lead soldering temp

300

C (Note)

ESD rating (Human Body Model)

4000

V

Note:

Stresses above those listed under “ABSOLUTE MAXIMUM RATINGS” may cause permanent damage to the

device.

* If a battery is inserted in reverse, the protection circuitry switches on, protecting the device and draining the battery.

TABLE 8-2:

DC AND TRANSPONDER CHARACTERISTICS

Commercial (C):

Industrial (I):

Parameter

Symbol

Min

Max

Unit

Conditions

Average operating current

Note 2

—

200

500

Programming current

2.3

4.0

mA

Standby current

—

0.1

500

nA

LC = off else < 5

µA

High level input voltage

V

Low level input voltage

-0.3

—

V

High level output voltage

——

V

Low level output voltage

—

—

—

—

V

LED output current

3.0

4.0

7.0

mA

Switch input resistor

40

60

80

k

Ω

S0/S1 not S2

DATA input resistor

80

120

160

k

Ω

LC input current

—

—

10.0

mA

LC input clamp voltage

—10

—

V

LC induced output current

—2.0

mA

LC induced output voltage

—

—

4.5

4.0

—

—

V

Carrier frequency

fc

—

125

kHz

LC input sensitivity

—100

—

Note 3

Note 1: Typical values at 25°C.

2: No load connected.

3: Not tested.