ICS9248-134 Datasheet, PDF (7/13 Pages) Integrated Circuit Systems – Frequency Timing Generator for PENTIUM II/III Systems

ICS9248-134
Electrical Characteristics - 3V66
T_A = 0 - 70º C; V_DD = 3.3 V +/-5%, V_DDL = 2.5 V +/-5%; C_L = 30 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN
Output Impedance¹
R_DSP1 V_O = V_DD*(0.5)
12
Output Impedance¹
R_DSN1 V_O = V_DD*(0.5)
12
Output High Voltage
V_OH1 I_OH = -11 mA
2.4
Output Low Voltage
V_OL1
I_OL = 9.4 mA
Output High Current
I_OH1
V_OH = 2.0 V
Output Low Current
I_OL1
V_OL = 0.8 V
16
Rise Time¹
t_r1
V_OL = 0.4 V, V_OH = 2.4 V
Fall Time¹
t_f1
V_OH = 2.4 V, V_OL = 0.4 V
Duty Cycle¹
d_t1
V_T = 1.5 V
45
Skew¹
Jitter, Cycle-to-cycle¹
t_sk1
T_jcyc-cyc1
V_T = 1.5 V
V_T = 1.5 V
1_{Guaranteed by design, not 100% tested in production.}
TYP
24
23
3.1
0.17
-51
41
1.4
1.5
50
89
173
MAX UNITS
55
Ω
55
Ω
V
0.4
V
-22 mA
mA
2
ns
2
ns
55
%
250 ps
500 ps
Electrical Characteristics - PCICLK
T_A = 0 - 70º C; V_DD = 3.3 V +/-5%, V_DDL = 2.5 V +/-5%; C_L = 30 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN
Output Impedance¹
R_DSP1 V_O = V_DD*(0.5)
12
Output Impedance¹
R_DSN1 V_O = V_DD*(0.5)
12
Output High Voltage
V_OH1 I_OH = -11 mA
2.4
Output Low Voltage
V_OL1
I_OL = 9.4 mA
Output High Current
I_OH1
V_OH = 2.0 V
Output Low Current
I_OL1
V_OL = 0.8 V
16
Rise Time¹
t_r1
V_OL = 0.4 V, V_OH = 2.4 V
Fall Time¹
t_f1
V_OH = 2.4 V, V_OL = 0.4 V
Duty Cycle¹
d_t1
V_T = 1.5 V
45
Skew Window¹
V_T = 1.5 V, PCICLK_(F:7)
t_sk1
V_T = 1.5 V, PCICLK_(8:10)
Jitter, Cycle-to-cycle¹
T_jcyc-cyc1
V_T = 1.5 V, PCICLK_(F:10)
V_T = 1.5 V
1_{Guaranteed by design, not 100% tested in production.}
TYP MAX UNITS
24
55
Ω
23
55
Ω
3.1
V
0.16 0.4
V
-50 -22 mA
42
mA
1.8 2.5 ns
1.5 2.5 ns
50
55
%
260 350
211 250 ps
466 600
280 500 ps
7