ICS952601 Datasheet, PDF (9/25 Pages) Integrated Circuit Systems – Programmable Timing Control Hub™ for Next Gen P4™ processor

ICS952601
Programmable Timing Control Hub^TM for Next Gen P4^TM Processor
Electrical Characteristics - REF-14.318MHz
T_A = 0 - 70°C; V_DD = 3.3 V +/-5%; C_L = 10-20 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX
Long Accuracy
ppm¹
see Tperiod min-max values
-300
300
Clock period
Output High Voltage
Output Low Voltage
T_period
V_OH1
V_OL1
14.318MHz output nominal
I_OH = -1 mA
I_OL = 1 mA
69.8270
2.4
69.8550
0.4
Output High Current
I_OH1
V _OH @MIN = 1.0 V,
OH^{@MAX = 3.135 V}
V
-29
-23
Output Low Current
I_OL1
V_OL @MIN = 1.95 V,
@MAX = 0.4 V
V_OL
29
27
Rise Time
t_r11
V_OL = 0.4 V, V_OH = 2.4 V
Fall Time
t_f11
V_OH = 2.4 V, V_OL = 0.4 V
Skew
t_sk11
V_T = 1.5 V
Duty Cycle
d_t11
V_T = 1.5 V
Jitter
t_jcyc-cyc1
V_T = 1.5 V
1_{Guaranteed by design, not 100% tested in production.}
1 1.92 2
1 1.92 2
26 500
45 53.4 55
284 1000
UNITS
ppm
ns
V
V
mA
mA
ns
ns
ps
%
ps
Group to Group Skews at Common Transition Edges
GROUP
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
200MHZ CPU to
3V66¹
S_CPU200-3V66
3V66 (4:0) leads 200MHZ
CPU
-2.1 -1.6 -1.1
ns
3V66 to PCI
S_3V66-PCI 3V66 (4:0) leads 33MHz PCI 1.50 2.59 3.50
ns
DOT-USB
S_{DOT_USB} 180 degrees out of phase 0.00
1.00
ns
DOT-VCH
S_{DOT_VCH}
in phase
0.00
1.00
ns
1. 3V66 MHz C_L = 0pf, Rseries = 33 ohm. CPU CL = 2 pf, Rseries = 33 ohm, Rshunt = 49.9 ohms.
Measured at the pins of the 952601.
IDT^TM Progammable Timing Control Hub^TM for Next Gen P4^TM Processor
9
701J—01/25/10