SY100EL38 查看數據表（PDF） - Micrel

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SY100EL38

5V/3.3V ÷2, ÷4/6 CLOCK GENERATION CHIP

Micrel 

Micrel, Inc.

Precision Edge®

SY10EL38/L

SY100EL38/L

AC ELECTRICAL CHARACTERISTICS(1)

VEE = VEE (Min.) to VEE (Max.); VCC = GND

Symbol

fMAX

tPD

tskew

tS

tH

VPP

VCMR

tRR

tPW

tr

tf

TA = -40°C

TA = 0°C

TA = +25°C

TA = +85°C

Parameter

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

Maximum Toggle Frequency 1000 — — 1000 — — 1000 — — 1000 — — MHz

Propagation Delay to Output

CLK ➝ Output (Diff.) 950

CLK ➝ Output (S.E.) 900

MR ➝ Output

600

Within-Device Skew(2) Q0 — Q3 —

All —

— 1150 950

— 1200 900

— 900 600

— 50 —

— 75 —

— 1150 970

— 1200 920

— 900 600

— 50 —

— 75 —

— 1170 1050 —

— 1220 1000 —

— 900 600 —

— 50 — —

— 75 — —

ps

1250

1300

900

50 ps

75

Part-to-Part

Q0 — Q3 (Diff.) —

All —

— 200 — — 200 — — 200 —

— 240 — — 240 — — 240 —

— 200

— 240

Set-up Time

EN ➝ CLK 300 150 — — 150 — — 150 — — 150 — ps

DIVSEL ➝ CLK 300 — — — — — — — — — — —

Hold Time

CLK ➝ EN 400 150 — 400 150 — 400 150 — 400 150 — ps

CLK ➝ DIVSEL 400 200 — 400 200 — 400 200 — 400 200 —

Minimum Input Swing(3) CLK 250 — — 250 — — 250 — — 250 — — mV

Common Mode Range(4) CLK –1.3 — –0.4 –1.4 — –0.4 –1.4 — –0.4 –1.4 — –0.4 V

Reset Recovery Time

— — 100 — — 100 — — 100 — — 100 ps

Minimum Pulse Width

CLK 800 — — 800 — — 800 — — 800 — — ps

MR 700 — — 700 — — 700 — — 700 — —

Output Rise/Fall Times

(20% —80%)

Q 280 — 550 280 — 550 280 — 550 280 — 550 ps

NOTES:

1. Parametric values specified at:

5 volt Power Supply Range 100EL38 Series:

-4.2V to -5.5V.

10EL38 Series

-4.75V to -5.5V.

3 volt Power Supply Range 10/100EL38L Series: -3.0V to -3.8V.

2. Skew is measured between outputs under identical transitions.

3. Minimum input swing for which AC parameters are guaranteed. The device will function reliably with differential inputs down to 100mV.

4. The CMR range is referenced to the most positive side of the differential input signal. Normal operation is obtained if the HIGH level falls within the specified

range and the peak-to-peak voltage lies between VPP min. and 1V. The lower end of the CMR range varies 1:1 with VEE. The numbers in the spec table

assume a nominal VEE = –3.3V. Note for PECL operation, the VCMR (min) will be fixed at 3.3V – IVCMR (min)I.

M9999-031006

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

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