W83194AR-WE Datasheet, PDF (13/16 Pages) Winbond – 200MHZ CLOCK FOR WHITNEY CHIPSET

W83194AR-We
PRELIMINARY
7.5 Electronical Characteristics of SDRAM Clock
Vdd=3.3V +/- 5%; CL=20-30pF
Parameter
Symbol
Ouput Impedance
R_DSP
Ouput Impedance
RDSN
Output Low Voltage
VOL
Output High Voltage
V_OH
Output Low Current
I_OL
Output High Current
I_OH
Rise/Fall Time Min
Between 0.4 V and 2.0 V
T_RF(min)
Rise/Fall Time Max
Between 0.4 V and 2.0 V
T_RF(max)
Duty Cycle
Dt
Skew
Jitter
T_SK
Tsc-c
Min
13.5
13.5
2.4
54
-54
0.4
45
Typ Max
40
40
0.45
54
-45
1.6
55
250
250
Units
Ohm
Ohm
V
V
MA
MA
ns
Test Conditions
I_OL=1mA
I_OH=-1mA
10pF Load
ns 20pF Load
% VT=1.5V
ps V_T=1.5V
ps V_T=1.5V
7.6 Electronical Characteristics of PCI Clock
Vdd=3.3V +/- 5%; CL=10-30pF
Parameter
Symbol Min Typ
Ouput Impedance
R_DSP
15
Ouput Impedance
RDSN
15
Output Low Voltage
VOL
Output High Voltage
VOH
2.4
Output Low Current
I_OL
30
Output High Current
I_OH
-33
Rise/Fall Time Min
Between 0.4 V and 2.0 V
T_RF(min)
0.5
Rise/Fall Time Max
Between 0.4 V and 2.0 V
T_RF(max)
Duty Cycle
Dt
45
Skew
TSK
Jitter
Tsc-c
Max Units
Test Conditions
55 Ohm
55 Ohm
0.55
V
I_OL=1mA
V
I_OH=-1mA
38 MA
-33 MA
ns 10pF Load
2.0
ns 20pF Load
55
% VT=1.5V
500
ps VT=1.5V
500
ps V_T=1.5V
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Publication Release Date: Nov. 1999
Revision 0.50