ICS950401 Datasheet, PDF (10/14 Pages) Integrated Circuit Systems – AMD - K8TM System Clock Chip

ICS950401
Electrical Characteristics - PCICLK, PCICLK33/HT66 (33MHz)
T_A = 0 - 70º C; V_DD = 3.3 V +/-5%; C_L = 30 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Output High Voltage
VOH1 IOH = -12 mA
2.4
V
Output Low Voltage
VOL1 IOL = 9.0 mA
0.4
V
Output High Current
IOH1 VOH = 2.0 V
-15 mA
Output Low Current
IOL1
VOL = 0.8 V
10
mA
Rise Edge Rate¹
Measured from 20-60%
1
4 V/ns
Fall Edge Rate¹
Duty Cycle¹
Measured from 60-20%
dt1
VT = 50%
1
4 V/ns
45
55 %
Jitter, Cycle-to-cycle¹ t_jcyc-cyc2B Measured on rising edge @ 1.5V
250 ps
Jitter, Accumulated¹
Output Impedance
Z_O
V_O = V_X
1_{Guaranteed by design, not 100% tested in production.}
-1000
12
1000 ps
55
Ω
Electrical Characteristics - PCICLK33/HT66 (66MHz)
T_A = 0 - 70º C; V_DD = 3.3 V +/-5%; C_L = 30 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN
Output High Voltage
VOH1 IOH = -12 mA
2.4
Output Low Voltage
VOL1 IOL = 9.0 mA
Output High Current
IOH1 VOH = 2.0 V
Output Low Current
IOL1
VOL = 0.8 V
10
Rise Edge Rate¹
Measured from 20-60%
1
Fall Edge Rate¹
Measured from 60-20%
1
Duty Cycle¹
dt1
VT = 50%
45
TYP MAX UNITS
V
0.4 V
-15 mA
mA
4 V/ns
4 V/ns
55 %
Jitter, Cycle-to-cycle¹ t_jcyc-cyc2B Measured on rising edge @ 1.5V
250 ps
Jitter, Accumulated¹
Output Impedance
Z_O
V_O = V_X
1_{Guaranteed by design, not 100% tested in production.}
-1000
12
1000 ps
55
Ω
0499C—11/01/04
10