ADT7485AARMZ View Datasheet(PDF) - ON Semiconductor

Part Name

Description

Manufacturer

ADT7485AARMZ

Temperature Sensor and Voltage Monitor with Simple Serial Transport

ON Semiconductor 

ADT7485A

ELECTRICAL CHARACTERISTICS TA = TMIN to TMAX, VCC = VMIN to VMAX, unless otherwise noted.

Parameter

Test Conditions/Comments

Min

Typ

Digital I/O (SST Pin)

High Impedance State Leakage, ILEAK

Device powered on SST bus;

VSST = 1.1 V, VCC = 3.3 V

High Impedance State Leakage, ILEAK

Device non−powered on SST bus;

VSST = 1.1 V, VCC = 0 V

Signal Noise Immunity, VNOISE

Noise glitches from 10 MHz to 100 MHz;

300

width up to 50 ns

SST Timing

Bitwise Period, tBIT

High Level Time for Logic 1, tH1

(Note 2)

High Level Time for Logic 0, tH0

(Note 2)

Time to Assert SST High for Logic 1,

tSU, HIGH

Hold Time, tHOLD (Note 3)

tBIT defined in speed negotiation

See SST Specification Rev 1.0

0.495

0.6 x

tBIT

0.2 x

tBIT

0.75 x

tBIT

0.25 x

tBIT

Stop Time, tSTOP

Time to Respond After a Reset, tRESET

Response Time to Speed Negotiation

After Powerup

Device responding to a constant low level

driven by originator

Time after powerup when device can participate

in speed negotiation

1.25 x

tBIT

1. Guaranteed by design, not production tested.

2. Minimum and maximum bit times are relative to tBIT defined in the timing negotiation pulse.

3. Device is compatible with hold time specification as driven by SST originator.

2 x tBIT

500

Max

±1.0

±10

500

0.8 x

tBIT

0.4 x

tBIT

0.2 x

tBIT

0.5 x

tBIT−M

2 x tBIT

0.4

Unit

mA

mA

mV

p−p

ms

ms

ms

ms

ms

ms

ms

ms

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