ICS94236 データシートの表示（PDF） - Integrated Circuit Systems

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ICS94236

Programmable System Clock Chip forAMD - K7™ processor

Integrated Circuit Systems 

ICS94236

Electrical Characteristics - SDRAM

TA = 0 - 70°C; VDD = 3.3 V +/-5%; CL = 20-30 pF (unless otherwise stated)

PARAMETER

SYMBOL

CONDITIONS

Output Impedance1

RDSP3B

VO = VDD*0.5

Output High Voltage

VOH3

IOH = -18mA

Output Low Voltage

VOL3

IOL = 9.4mA

Output High Current

IOH3

VOH = 2.0 V

Output Low Current

IOL3

VOL = 0.8 V

Rise Time1

tr3

VOL = 0.4 V, VOH = 2.4 V

Fall Time1

tf3

VOH = 2.4 V, VOL = 0.4 V

Duty Cycle1

dt3

VT = 1.5V

Skew Window(0:11)

tsk3

VT = 1.5V

Skew Window(0:12)

tsk3

VT = 1.5V

Jitter, Cycle-to-cycle1

tjcyc-cyc3

VT = 1.5V

1 - Guaranteed by design, not 100% tested in production.

MIN TYP MAX UNITS

10

24

2.4

V

0.4

V

-46

mA

19

mA

0.8

1.6

ns

0.8

1.6

ns

45

48.5

55

%

192

250

pS

290

500

pS

173 250

pS

Electrical Characteristics - 24MHz,48MHz

TA = 0 - 70°C; VDD = 3.3 V +/-5%; CL = 20 pF (unless otherwise stated)

PARAMETER

SYMBOL

CONDITIONS

Output High Voltage

VOH5

IOH = -16 mA

Output Low Voltage

VOL5

IOL = 9 mA

Output High Current

IOH5

VOH = 2.0 V

Output Low Current

IOL5

VOL = 0.8 V

Rise Time1

tr5

VOL = 0.4 V, VOH = 2.4 V

Fall Time1

tf5

VOH = 2.4 V, VOL = 0.4 V

Duty Cycle1

dt5

VT = 1.5V

Jitter, One Sigma1

tj1s5

VT = 1.5V

Jitter, Cycle to cycle

tjcyc_cyc2B

VT = 1.5V

1Guaranteed by design, not 100% tested in production.

MIN TYP MAX UNITS

2.4

V

0.4

V

-22

mA

16

mA

1.1

4

ns

1.28

4

ns

45

52

55

%

0.5

ns

177

500

ps

0451A—01/10/03

13

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