ICS9250-14 Datasheet, PDF (10/13 Pages) Integrated Circuit Systems – Frequency Timing Generator for Pentium II Systems

ICS9250 - 14
Preliminary Product Preview
Electrical Characteristics - IOAPIC
T_A = 0 - 70C;V_DDL = 2.5 V +/-5%; C_L = 10 - 20 pF (unless otherwise stated)
PARAMETER SYMBOL
CONDITIONS
Output Frequency
Output Frequency
Output Impedance
Output Impedance
Output High Voltage
Output Low Voltage
Output High Current
Output Low Current
Rise Time
Fall Time
Duty Cycle
Jitter
F_O4
F_O5
R_DSP4B1
R_DSN4B1
V_OH4\B
V_OL4B
I_OH4B
I_OL4B
t_r4B1
t_f4B1
d_t4B1
t_jcyc-cyc
V_O = V_DD*(0.5)
V_O = V_DD*(0.5)
I_OH = -5.5 mA
I_OL = 9.0 mA
V_{OH@ min} = 1.4 V, V_{OH@ MAX} = 2.5 V
V_{OL@ MIN} = 1.0 V, V_{OL@ MAX=} 0.2
V_OL = 0.4 V, V_OH = 2.0 V
V_OH = 2.0 V, V_OL = 0.4 V
V_T = 1.25 V
V_T = 1.25 V
1_{Guarenteed by design, not 100% tested in production.}
MIN TYP MAX UNITS
16.67
MHz
33
MHz
9
30 Ω
9
30 Ω
2
V
0.4 V
-36
-21 mA
36
31 mA
0.4
1.6 nS
0.4
1.6 nS
45
55 %
500 pS
Electrical Characteristics - SDRAM
TA = 0 - 70C; VDD = VDDL = 3.3 V +/-5%; CL = 20 - 30 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
Output Frequency
Output Impedance
Output Impedance
FO3
RDSP
1
3
RDSN31
VO = VDD*(0.5)
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
Rise Time
Fall Time
Duty Cycle
Skew
IOL3
Tr31
Tf31
Dt31
Tsk31
VOL@ MIN= 1.0 V, VOL@ MAX=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
Jitter
tjcyc-cyc VT = 1.5 V
MIN TYP MAX UNITS
100
MHz
10
24
Ω
10
24
Ω
2.4
V
0.4
V
-54
-46 mA
54
53 mA
0.4
1.6 ns
0.4
1.6 ns
45
55
%
250 ps
250 ps
1_{Guarenteed by design, not 100% tested in production.}
10