ICS94235 Datasheet, PDF (12/19 Pages) Integrated Circuit Systems – PROGRAMMABLE SYSTEM CLOCK CHIP FOR AMD-K7 TM PROCESSOR

ICS94235
Electrical Characteristics - CPUCLK (Open Drain)
TA = 0 - 70º C; VDD = 3.3 V +/-5%; CL = 20 pF (unless otherwise stated).
PARAMETER
SYMBOL
CONDITIONS
Output Impedance
ZO
VO = VX
MIN
TYP
MAX
Output High Voltage
VOH2B
Termination to Vpull-up(external)
1
1.2
Output Low Voltage
Output Low Current
Rise Time1
Fall Time1
Differential Voltage-AC1
Differential Voltage-DC1
VOL2B
IOL2B
tr2B
tf2B
VDIF
VDIF
Termination to Vpull-up(external)
VOL = 0.3V
VOL = 0.3V, VOH = 1.2 V
VOH = 1.2 V, VOL = 0.3 V
Note 2
Note 2
0.4
18
0.9
0.913
0.9
Vpullup(external)
0.4
0.6
Vpullup(external)
0.2
0.6
Differential Crossover Voltage1
Duty Cycle1
VX
Note 3
dt2B
VT = 50%
550
45
53
1100
55
Skew1
tsk2B
VT = 50%
250
Jitter, Cycle-to-cycle1
tjcyc-cyc2B
VT = VX
201
250
Jitter, Absolute1
tjabs2B
VT = 50%
-250
250
Notes:
1 - Guaranteed by design, not 100% tested in production.
2 - VDIF specifies the minimum input differential voltages (VTR-VCP) required for switching, where VTR is the TRUE
input level and VCP is the "complement" input level.
3 - Vpullup(external) = 1.5V, Min = Vpullup(external)/2-150mV; Max = (Vpullup(external)/2)+150mV.
UNITS
Ohms
V
V
mA
ns
ns
V
V
mV
%
ps
ps
ps
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