ST92F120 datasheet(289/324 Pages) STMICROELECTRONICS

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ST92F120 - ELECTRICAL CHARACTERISTICS

Note:

(1) Unless otherwise stated, typical data are based on TA= 25°C and VDD= 5V. They are only reported for design guide lines not tested in

production. Hysteresis voltage between switching levels: characterization results - not tested.

(2) Hysteresis voltage between switching levels: characterization results - not tested.

(3) For a description of the EMR1 Register - BSZ bit refer to the External Memory Interface Chapter.

(4) Not 100% tested, guaranteed by design characterisation. The absolute sum of input overload currents on all port pins may no t exceed

100 mA.

(5) Indicative values extracted from Design simulation.

VHYS

Input Hysteresis (2)

Standard Schmitt Trigger

P2[5:4]-P2[1:0]-P3[7:4] P3[2:1]-

P4[4:3]-P4[1:0] P5[7:4]-P5[2:0]-

P6[3:0] P7[7:0]-P8[7:0]-P9[7:0]

600

Input Hysteresis (2)

Special Schmitt Trigger

P4[7:6]

800

Input Hysteresis (2)

High Hyst. Schmitt Trigger

P6[5:4]

900

VOH

Output High Level

P0[7:0]-P6[5:4]

AS-DS-RW

Push Pull, IOH= – 2mA

EMR1 Register - BSZ bit = 0 (3)

VDD – 0.8

Push Pull, IOH= – 8mA

EMR1 Register - BSZ bit = 1 (3)

VDD – 0.8

Output High Level

P1[7:0]-P2[7:4]-P2[1:0] P3[7:1]-

P4[5:0]-P5[7:0]-P6[3:0]-P7[7:0]-

P8[7:0] P9[7:0]-VPWO

Push Pull, IOH= – 2mA

EMR1 Register - BSZ bit = 0 (3)

VDD – 0.8

Push Pull, IOH= – 4mA

EMR1 Register - BSZ bit = 1 (3)

VDD – 0.8

VOL

Output Low Level

P0[7:0]-P2[3:2]-P4[7:6] P6[5:4]-

AS-DS-RW

Push Pull / Open Drain, IOL=2mA

EMR1 Register - BSZ bit = 0 (3)

0.4

Push Pull / Open Drain, IOL=8mA,

EMR1 Register - BSZ bit = 1 (3)

0.4

Output Low Level

P1[7:0]-P2[7:4]-P2[1:0] P3[7:1]-

P4[5:0]-P5[7:0]

P6[3:0]-P7[7:0]-P8[7:0] P9[7:0]-

VPWO

Push Pull / Open Drain, IOL=2mA,

EMR1 Register - BSZ bit = 0 (3)

0.4

Push Pull / Open Drain, IOL=4mA,

EMR1 Register - BSZ bit = 1 (3)

0.4

RWPU

Weak Pull-up Current

P2[7:4]-P2[1:0]-P3[7:1]

P4.5-P4[3:1]-P5.3-P6[3:0]

P7[7:0] P8[7:0]-P9[7:0]

Bidirectional Weak Pull-up

VOL = 0V

100

400

µA

Weak Pull-up Current

P6[5:4]-AS-DS

Bidirectional Weak Pull-up

VOL = 0V

100

200

450

µA

ILKIO

I/O Pin Input Leakage

Input/Tri-State,

0V < VIN < VDD

– 1

+ 1

µA

ILKIOD

I/O Pin Open Drain Input Leakage

Input/Tri-State,

0V < VIN < VDD

– 1

+ 1

µA

ILKA/D

A/D Conv. Input Leakage

– 1

+ 1

µA

IOV

Overload Current

(4)

SRR

Slew Rate Rise

(5)

mA/ns

SRF

Slew Rate Fall

(5)

mA/ns

Symbol

Parameter

Comment

Value

Unit

Min

Typ(1)

Max

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