13

ICS94236

0451A

—01/10/03

Electrical Characteristics - SDRAM

TA = 0 - 70

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

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Output Impedance

1

10

24

Output High Voltage

IOH = -18mA

2.4V

Output Low Voltage

IOL = 9.4mA

0.4V

Output High Current

-46

mA

Output Low Current

19

mA

Rise Time

1

0.8

1.6

ns

Fall Time

1

0.8

1.6

ns

Duty Cycle

1

45

48.5

55%

Skew Window

(0:11)

192

250

pS

Skew Window

(0:12)

290

500

pS

Jitter, Cycle-to-cycle

1

VT = 1.5V

173

250

pS

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

Electrical Characteristics - 24MHz,48MHz

TA = 0 - 70

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

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Output High Voltage

2.4V

Output Low Voltage

0.4V

Output High Current

-22

mA

Output Low Current

16

mA

Rise Time

1

1.1

4

ns

Fall Time

1

1.28

4

ns

Duty Cycle

1

45

52

55%

Jitter, One Sigma

1

tj1s5

0.5

ns

Jitter, Cycle to cycle

177

500

ps