ICS9148-25 Datasheet, PDF (9/13 Pages) Integrated Circuit Systems – Pentium/Pro System and Cyrix Clock Chip

ICS9148-25
Electrical Characteristics - CPU
TA = 0 - 70C; VDD = 3.3 V +/-5%, VDDL = 2.5 V +/-5%; CL = 10 - 20 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP
Output Impedance
RDSP
1
2B
VO = VDD*(0.5)
10
Output Impedance
RDSN2B1 VO = VDD*(0.5)
10
Output High Voltage VOH2B IOH = -13.0 mA
2
2.2
Output Low Voltage VOL2B IOL = 14 mA
0.3
Output High Current
IOH2B VOH = 1.7 V
-25
Output Low Current
Rise Time
Fall Time
Duty Cycle
Skew
Jitter
IOL2B
tr2B1
tf2B1
dt2B1
tsk2B1
tjcyc-cyc2B1
tj
1s2
1
B
tjabs2B1
VOL = 0.7 V
VOL = 0.4 V, VOH = 2.0 V
VOH = 2.0 V, VOL = 0.4 V
VT = 1.25 V
VT = 1.25 V
VT = 1.25 V
VT = 1.25 V
VT = 1.25 V
22
26
1.35
1.2
45
50
60
150
30
-250 80
1_{Guarenteed by design, not 100% tested in production.}
MAX UNITS
25
Ω
25
Ω
V
0.4 V
-16 mA
mA
1.6 ns
1.6 ns
55 ns
250 ps
250 ps
150 ps
+250 ps
Electrical Characteristics - PCI
T_A = 0 - 70C; V_DD = V_DDL = 3.3 V +/-5%; C_L = 30 pF (unless otherwise stated)
PARAMETER SYMBOL
CONDITIONS
Output Impedance
Output Impedance
R_DSP11
R_DSN11
V_O = V_DD*(0.5)
V_O = V_DD*(0.5)
Output High Voltage V_OH1 I_OH = -11 mA
Output Low Voltage
V_OL1 I_OL = 9.4 mA
Output High Current
I_OH1
V_OH = 2.0 V
Output Low Current
Rise Time
Fall Time
Duty Cycle
Skew
Jitter
I_OL1
t_r11
t_f11
d_t11
t_sk11
t_j1s11
t_jabs11
V_OL = 0.8 V
V_OL = 0.4 V, V_OH = 2.4 V
V_OH = 2.4 V, V_OL = 0.4 V
V_T = 1.5 V
V_T = 1.5 V
V_T = 1.5 V
V_T = 1.5 V
1_{Guarenteed by design, not 100% tested in production.}
MIN TYP MAX UNITS
12
55 Ω
12
55 Ω
2.6 3.1
V
0.15 0.4 V
-62 -40 mA
40 55
mA
1.5
2
ns
1.4
2
ns
45 50 60 %
200 500 ps
10 150 ps
-250 65 250 ps
9