SI3021 datasheet(7/54 Pages) ETC

7 / 54 page

Si3035

Rev. 1.2

Figure 2. General Inputs Timing Diagram

Table 6. Absolute Maximum Ratings

Parameter

Symbol

Value

Unit

DC Supply Voltage

VD, VA

–0.5 to 6.0

Input Current, Si3021 Digital Input Pins

IIN

±10

Digital Input Voltage

VIND

–0.3 to (VD + 0.3)

Operating Temperature Range

–40 to 100

°C

Storage Temperature Range

TSTG

–65 to 150

°C

Note: Permanent device damage may occur if the above Absolute Maximum Ratings are exceeded. Functional operation

should be restricted to the conditions as specified in the operational sections of this data sheet. Exposure to absolute

maximum rating conditions for extended periods may affect device reliability.

Table 7. Switching Characteristics—General Inputs

(VA = Charge Pump, VD = 3.0 to 5.25 V, TA = 0 to 70°C for K-Grade, CL = 20 pF)

Parameter1

Symbol

Min

Typ

Max

Unit

Cycle Time, MCLK

tmc

16.67

—

1000

MCLK Duty Cycle

tdty

Rise Time, MCLK

——

Fall Time, MCLK

——

MCLK Before RESET

↑

tmr

—

cycles

RESET Pulse Width2

trl

250

—

M0, M1 Before RESET

↑3

tmxr

150

—

Notes:

1. All timing (except Rise and Fall time) is referenced to the 50% level of the waveform. Input test levels are

VIH = VD – 0.4 V, VIL = 0.4 V. Rise and Fall times are referenced to the 20% and 80% levels of the waveform.

2. The minimum RESET pulse width is the greater of 250 ns or 10 MCLK cycle times.

3. M0 and M1 are typically connected to VD or GND and should not be changed during normal operation.

MCLK

M0, M1

RESET

mxr

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