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| ICS9248-99 Datasheet, PDF (11/13 Pages) Integrated Circuit Systems – Frequency Generator & Integrated Buffers for Celeron & PII/III™ | |||
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ICS9248-99
Preliminary Product Preview
Electrical Characteristics - IOAPIC
TA = 0 - 70C;VDDL = 2.5 V +/-5%; CL = 10 - 20 pF (unless otherwise stated)
PARAMETER SYMBOL
CONDITIONS
Output Impedance
Output Impedance
RDSP4B1
RDSN4B1
VO = VDD*(0.5)
VO = VDD*(0.5)
Output High Voltage VOH4\B IOH = -5.5 mA
Output Low Voltage VOL4B IOL = 9.0 mA
Output High Current
IOH4B VOH@ min = 1.4 V, VOH@ MAX = 2.5 V
Output Low Current
Rise Time
Fall Time
Duty Cycle
IOL4B
tr4B1
tf4B1
dt4B1
VOL@ MIN = 1.0 V, VOL@ MAX= 0.2
VOL = 0.4 V, VOH = 2.0 V
VOH = 2.0 V, VOL = 0.4 V
VT = 1.25 V
Jitter
Skew
tjcyc-cyc
Tska1
VT = 1.25 V
1Guarenteed by design, not 100% tested in production.
MIN TYP MAX UNITS
9
30 â¦
9
30 â¦
2
V
0.4 V
-36
-21 mA
36
31 mA
0.4 0.9 1.6 ns
0.4 1.5 1.9 ns
45 50 55 %
120 250 ps
250 ps
Electrical Characteristics - SDRAM
TA = 0 - 70C; VDD = VDDL = 3.3 V +/-5%; CL = 20 - 30 pF (unless otherwise stated)
PARAMETER SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Output Impedance
RDSP31 VO = VDD*(0.5)
Output Impedance
RDSN31 VO = VDD*(0.5)
Output High Voltage VOH3 IOH = -1 mA
Output Low Voltage
VOL3 IOL = 1 mA
Output High Current
IOH3
VOH @MIN= 2.0 V, VOH@ MAX=3.135 V
Output Low Current
IOL3
VOL@ MIN= 1.0 V, VOL@ MAX=0.4 V
Rise Time
Tr31
VOL = 0.4 V, VOH = 2.4 V
Fall Time
Tf31
VOH = 2.4 V, VOL = 0.4 V
Duty Cycle
Dt31
VT = 1.5 V
Skew
Tsk31 VT = 1.5 V
Jitter
tjcyc-cyc VT = 1.5 V
1Guarenteed by design, not 100% tested in production.
10
24 â¦
10
24 â¦
2.4
V
0.4 V
-54
-46 mA
54
53 mA
0.4 1.0 1.6 ns
0.4 1.0 1.6 ns
45 50 55 %
50 250 ps
140 250 ps
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