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ICS9248-81 Datasheet, PDF (15/18 Pages) Integrated Circuit Systems – Frequency Generator & Integrated Buffers
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ICS9248 - 81
Electrical Characteristics - PCICLK
TA = 0 - 70C; VDD = 3.3 V +/-5%; VDDL = 2.5 V +/-5%; CL = 30 pF
PARAMETER
SYMBOL
CONDITIONS
Output High Voltage
Output Low Voltage
Output High Current
Output Low Current
Rise Time1
Fall Time1
Duty Cycle1
Skew1
Jitter, Cycle-to-cycle
Jitter, One Sigma1
Jitter, Absolute1
VOH2
VOL2
IOH2
IOL2
tr2
tf2
dt2
tsk2
tjcyc-cyc2
tj1s2
tjabs2
IOH = -11 mA
IOL = 9.4 mA
VOH = 2.0 V
VOL = 0.8 V
VOL = 0.4 V, VOH = 2.4 V
VOH = 2.4 V, VOL = 0.4 V
VT = 1.5 V
VT = 1.5 V
VT = 1.25 V
VT = 1.5 V
VT = 1.5 V
1Guaranteed by design, not 100% tested in production.
MIN TYP MAX UNITS
2.4 3.1
V
0.1
0.4
V
-62 -22 mA
16
57
mA
1.5 2.6 ns
1.1
2
ns
45
50
55
%
140 500 ps
250 500 ps
17 150 ps
-350 70 350 ps
Electrical Characteristics -SDRAM
TA = 0 - 70C; VDD = 3.3 V +/-5%; VDDL = 2.5 V +/-5%; CL = 30 pF
PARAMETER
SYMBOL
CONDITIONS
Output High Voltage
Output Low Voltage
Output High Current
Output Low Current
Rise Time1
Fall Time1
Duty Cycle1
Skew1 (Window)
Jitter, Cycle-to-cycle
Jitter, One Sigma1
Jitter, Absolute1
VOH3
VOL3
IOH3
IOL3
tr3
tf3
dt3a
dt3b
dt3c
tsk3a
tsk3b
tsk3c
tjcyc-cyc3
tj1s3
tjabs3
IOH = -11 mA
IOL = 9.4 mA
VOH = 2.0 V
VOL = 0.8 V
VOL = 0.4 V, VOH = 2.4 V
VOH = 2.4 V, VOL = 0.4 V
VT = 1.5 V; Divide by 2 seclects<124MHz
VT = 1.5 V; Divide by 3 seclects
VT = 1.5 V; Selects >= 124MHz
VT = 1.5 V; SDRAM0,8,9
VT = 1.5 V; All except SDRAM8 and 9
VT = 1.5 V; All SDRAMs
VT = 1.25 V
VT = 1.5 V
VT = 1.5 V
1Guaranteed by design, not 100% tested in production.
MIN TYP MAX UNITS
2.4 3.1
V
0.1
0.4
V
-62 -22 mA
16
57
mA
1.5 2.6 ns
1.1 2.2 ns
47%
57%
45
55
43
50
53
%
140 250
ps
200 400
250 500 ps
17 150 ps
-250 70 250 ps
15
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