SY89429V データシートの表示（PDF） - Micrel

部品番号

コンポーネント説明

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SY89429V

5V/3.3V PROGRAMMABLE FREQUENCY SYNTHESIZER (25MHz to 400MHz)

Micrel 

Micrel, Inc.

Precision Edge®

SY89429V

AC ELECTRICAL CHARACTERISTICS

VCC1 = VCC_QUIET = VCC_TTL = VCC_OUT = +3.3V to +5.0V ±5%; TA = 0°C to +75°C

Symbol

Parameter

TA = 0°C TA = +25°C TA = +75°C

Min. Max. Min. Max. Min. Max. Unit

Condition

fMAXI

Maximum Input Frequency

S_CLOCK — 10 — 10 — 10 MHz

Note 1

Xtal Oscillator 10 25 10 25 10 25

Fundamental

Cyrstal

fMAXO

Maximum Output Frequency VCO (Internal) 400 800 400 800 400 800 MHz

FOUT 25 400 25 400 25 400

tLOCK

tjitter

tS

Maximum PLL Lock Time

— 10 — 10 — 10 ms

Cycle-to-Cycle Jitter (Peak-to-Peak)

— 50 — 50 — 50 ps Test output static

Setup Time

S_DATA to S_CLOCK 20

—

20

—

20

—

ns

S_CLOCK to S_LOAD

20

—

20

—

20

—

M, N to /P_LOAD 20 — 20 — 20 —

tH

Hold Time

S_DATA to S_CLOCK 20

—

20

—

20

—

ns

S_CLOCK to S_LOAD

20

—

20

—

20

—

M, N to /P_LOAD 20 — 20 — 20 —

tpw(MIN) Minimum Pulse Width

S_LOAD 50 — 50 — 50 — ns

/P_LOAD 50 — 50 — 50 —

tDC

FOUT Duty Cycle

tr

Output Rise/Fall

tf

20% to 80%

45 55 45 55 45 55 %

FOUT 300 800 300 800 300 800 ps

NOTE:

1. 10MHz is the maximum frequency to load the feedback divide registers. S_CLOCK can be switched at high frequencies when used as a test clock in

TEST_MODE 6.

TIMING DIAGRAM

S_DATA

S_CLOCK

S_LOAD

M[8:0]

N[1:0]

/P_LOAD

tSET-UP

tHOLD

tSET-UP

tSET-UP

tHOLD

M9999-011106

hbwhelp@micrel.com or (408) 955-1690

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