STE12PS datasheet(32/44 Pages) STMICROELECTRONICS

32 / 44 page

Obsolete

Product(s)

- Obsolete

Product(s)

Electrical specifications and timings

STE12PS

32/44

CDM

(Charge Device Model)

Corner pins

-750 to +750

All pins but pins Px_1-2 & Px_3

-500 to +500

All pins but pins FSRPx_1-2 & Px_3 (x = 1 to 12)

Pins Px_1-2 & Px_3

-250 to +250

Pins FSRPx_1-2 & Px_3 (x = 1 to 12)

(Machine Model)

All pins but pins Px_1-2 & Px_3

-200 to +200

All pins but pins FSRPx_1-2 & Px_3 (x = 1 to 12)

Pins Px_1-2 & Px_3

-50 to +50

Pins FSRPx_1-2 & Px_3 (x = 1 to 12)

Table 11.

ESD (continued)

Symbol

Parameter

Value

Units

Table 12.

Electrical characteristics

Symbol

Parameter

Min.

Typ.

Max.

Units

Notes

Detection

Vdl

Detection voltage LOW level

3.7

4.3

Between port terminals

Vdh

Detection voltage HIGH level

7.4

8.6

Between port terminals

Tds

Transient time between Vdl and

Vdh

300

µs

Adjustable with external

capacitor Cdetslow

Gdl

Conductance signature, lower

limit

(Software programmable)

µmhos Software programmable)

Gdh

Conductance signature, upper

limit

(Software programmable)

µmhos Software programmable

Rdl

Resistance signature, lower limit

(Software programmable)

Software programmable,

to be used as an

alternative to Gdh

Rdh

Resistance signature, upper limit

(Software programmable)

Software programmable,

to be used as an

alternative to Gdl

Idlim

Current limit during detection

1.1

Tdet

Detection time

12-port configuration,

one channel at a time

Tdetd

Detection delay time

(from PD insertion to end of

detection phase)

852

Maximum delay for 12-

port configuration

Tdbo

Back-off time (midspan mode)

sec.

Back off time in case of

failed PD detection,

avoided if Rdet > 500k

or Gdet < 2µmhos

Ted

Error delay time

750

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