MPC9817 REVISION 3 AUGUST 16, 2012

5

©2012 Integrated Device Technology, Inc.

MPC9817 Data Sheet

CLOCK GENERATOR FOR POWERQUICC AND POWERPC MICROPROCESSORS AND MICROCONTROLLERS

Figure 3. MPC9817 AC Test Reference (LVCMOS Outputs)

Table 7. AC Characteristics(1) (2) (VDD = 3.3 V ± 5%, TA = –40° to +85°C)

1. AC characteristics are design targets and pending characterization.

2. AC characteristics apply for parallel output termination of 50

 to VTT.

Symbol

Characteristics

Min

Typ

Max

Unit

Condition

Input and Output Timing Specification

fref

Input Reference Frequency 25 MHz Input

XTAL Input

—

25

25

—

MHz

MHz

—

fVCO

VCO Frequency Range

—

400

—

MHz

—

fMCX

Output Frequency (QAx)FSEL0, FSEL1 = 00

FSEL0, FSEL1 = 01

FSEL0, FSEL1 = 10

FSEL0, FSEL1 = 11

Output Frequency (QREFx)

—

25

33

50

66

25

—

MHz

MHz

MHz

MHz

MHz

PLL locked

frefPW

Reference Input Pulse Width

10

—

—

ns

@ 25 MHz

DC

Output Duty Cycle

47.5

50

52.5

%

—

fout

Output Frequency Accuracy Crystal(3)

External Reference

3. Based upon recommended crystal specifications as outlined in MPC9817 Operation.

—

—

100

0

ppm

ppm

With recommended

crystal

see Table 3

PLL Specifications

BW

PLL Closed Loop Bandwidth(4)

4. –3 dB point of PLL transfer characteristics.

—

500

—

kHz

—

tLOCK

Maximum PLL Lock Time

—

—

10

ms

—

Skew and Jitter Specifications

tsk(O)

Output-to-Output Skew (within a bank)

—

—

100

ps

—

tsk(O)

Output-to-Output Skew (between bank A and bank

Ref)

—

—

200

—

FSEL0, FSEL1 = 00

tJIT(CC)

Cycle-to-Cycle Jitter

—

—

150

ps

@ 25 MHz Input

Reference QA output

tJIT(PER)

Period Jitter

—

—

100

ps

@ 25 MHz Input

Reference QA output

tr, tf

Output Rise/Fall Time

—

—

1

ns

20% to 80%

Z = 50



RT = 50

VTT

Z = 50



VTT

DUT MPC9817

Pulse

Generator

Z = 50



RT = 50