MAX7389 datasheet(3/10 Pages) MAXIM

3 / 10 page

Speed-Switching Clock Generator

with Power Fail

_______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS (continued)

(Typical Application Circuit, VCC = +2.7V to +5.5V, TA = -40°C to +125°C, 1MHz to 16MHz output frequency range, typical values at

VCC = +5.0V, TA = +25°C, unless otherwise noted.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Clock Frequency Temperature

Coefficient

VCC = +5.0V (Note 2)

140

400

ppm/°C

Clock Frequency Supply Voltage

Coefficient

TA = +25

°C (Note 2)

0.67

%/V

CLOCK Duty Cycle

(Note 2)

CLOCK Output Jitter

Observation for 20s using a 500MHz

oscilloscope

310

RMS

Output Rise Time

CLOAD = 10pF, 10% to 90% of full scale

(Note 2)

2.5

7.0

Output Fall Time

CLOAD = 10pF, 90% to 10% of full scale

(Note 2)

2.5

7.5

INTERNAL POWER-ON RESET

TA = +25°C

VTH

- 1.5%

VTH

+ 1.5%

VTH+

VCC rising, Table 1

TA = -40°C to

+125°C

VTH

- 2.5%

VTH

+ 2.5%

Reset Voltage

VTH-

VCC falling

0.98 x

VTH+

Reset Timeout Period

tRST

Figure 1

135

250

µs

POWER FAIL

Power-Fail Select Threshold

VSEL

PFI input

0.65 x

VCC

0.85 x

VCC

VCC Monitoring Threshold

(Internal Threshold)

VITH

VCC rising

4.06

4.38

4.60

Internal Threshold Hysteresis

VIHYST

VCC falling

1.0

4.0

%VITH

PFI Monitoring Threshold

(External Threshold)

VETH

PFI rising

0.9

1.1

1.4

External Threshold Hysteresis

VEHYST

PFI falling

1.0

3.5

8.0

%VETH

Note 1: All parameters are tested at TA = +25°C. Specifications over temperature are guaranteed by design.

Note 2: Guaranteed by design. Not production tested.

MAX7389 Datasheet(PDF) 3 Page - Maxim Integrated Products

MAX7389 Datasheet(HTML) 3 Page - Maxim Integrated Products

Html Pages

1 2 3 4 5 6 7 8 9 10

Datasheet Download

Link URL