ICS9250-14 Datasheet, PDF (11/13 Pages) Integrated Circuit Systems – Frequency Timing Generator for Pentium II Systems

ICS9250 - 14
Preliminary Product Preview
Electrical Characteristics - PCI
T_A = 0 - 70C; V_DD = 3.3 V +/-5%; C_L = 10-30 pF (unless otherwise stated)
PARAMETER SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Output Frequency
Output Impedance
Output Impedance
Output High Voltage
Output Low Voltage
Output High Current
Output Low Current
Rise Time
Fall Time
Duty Cycle
Skew
Jitter
F_O1
R_DSP11
R_DSN11
V_OH1
V_OL1
I_OH1
I_OL1
t_r11
t_f11
d_t11
t_sk11
t_jcyc-cyc
V_O = V_DD*(0.5)
12
V_O = V_DD*(0.5)
12
I_OH = -1 mA
2.4
I_OL = 1 mA
VOH@ MIN = 1.0 V, VOH@ MAX = 3.135 V -33
VOL@ MIN = 1.95 V, VOL@ MAX= 0.4
30
V_OL = 0.4 V, V_OH = 2.4 V
0.5
V_OH = 2.4 V, V_OL = 0.4 V
0.5
V_T = 1.5 V
45
V_T = 1.5 V
V_T = 1.5 V
33
MHz
55
Ω
55
Ω
V
0.55 V
-33 mA
38 mA
2
ns
2
ns
55 %
500 ps
500 ps
1_{Guarenteed by design, not 100% tested in production.}
Electrical Characteristics - 48M, REF
TA = 0 - 70C; VDD = VDDL = 3.3 V +/-5%; CL = 10 -20 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
Output Frequency
FO48M
Output Frequency
Output Impedance
Output Impedance
FOREF
RDSP
1
5
RDSN51
VO = VDD*(0.5)
VO = VDD*(0.5)
Output High Voltage
VOH5 IOH = 1 mA
Output Low Voltage
VOL5 IOL = -1 mA
Output High Current
IOH5
VOH @MIN=1 V, VOH@MAX= 3.135 V
Output Low Current
Rise Time
Fall Time
Duty Cycle
Jitter
IOL5
tr51
tf51
dt51
tjcyc-cyc1
tjcyc-cyc1
VOL@MIN=1.95 V, VOL@MIN=0.4 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; Fixed Clocks
VT = 1.5 V; Ref Clocks
Skew
Tsk
VT = 1.5 V
1_{Guarenteed by design, not 100% tested in production.}
MIN TYP MAX UNITS
48
MHz
14.318
MHz
20
60
Ω
20
60
Ω
2.4
V
0.4 V
-29
-23 mA
29
27 mA
1.8
4
nS
1.7
4
nS
45
55
%
500 pS
1000 pS
250 pS
11