L6238 datasheet(5/35 Pages) STMICROELECTRONICS

5 / 35 page

ELECTRICAL CHARACTERISTICS (Continued)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

LOGIC SECTION

VinH

VinL

Input Voltage

TBD

IinH

IinL

Input Current

–1

µA

VoutL

VoutH

Output Voltage

Vsink = 2mA

Vsource = 2mA

4.5

0.5

Fsys

System Clock Frequency

MHz

ton

Clock ON Time

toff

Clock OFF Time

SEQUENCE INCREMENT

tseq

Time Between Rising Edges

µs

SERIAL PORT TIMING Note: Cload(data I/O) = 50pF;

Fshift

Clock Frequency

TBD

MHz

tos

Operating Set-up Time

tsettle

Enabling Settling Time

tstrobe

Strobe Pulse Width

twait

Disable Wait Time

tds

Data Setup Time

100

tdh

Data Hold Time

tsd

Strobe to Data Prop. Delay

(*)

100

tcd

Clock to Data Prop. Delay

(*)

100

tsd

Data I/O Activation Delay

(*)

100

ttsd

Data I/O Tri State Delay

twrs

Write to Read Set-up Time

tscr

Strobe to Clock Time

(Read Mode)

tcsw

Clock to Strobe Time

(Write Mode)

PHASE LOCK LOOP SECTION

Tphse

Static Phase Error

µs

BRAKE DELAY SECTION

Vchrg

Capacitor Charge Voltage

RT = 50K

TBD

9.5

TBD

Iout3

Source Current

0.5

VThres

Delay Timer Low Trip Threshold

TBD

1.8

TBD

CHARGE PUMP

Vout9

Storage Capacitor Output

Voltage

Vleak

Blocking Diode Leakage Current

µA

Fcp

Charge Pump Frequency

300

KHz

(*) These parameters are a function of Cload.

L6238

5/35

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