ICS9248-65 Datasheet, PDF (7/10 Pages) Integrated Circuit Systems – Frequency Timing Generator for PENDIUM II Systems

ICS9248-65
Electrical Characteristics - CPU/2
T_A = 0 - 70º C; V_DD = 3.3 V +/-5%, V_DDL = 2.5 V +/-5%; C_L = 20 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP
Output High Voltage V_OH2B I_OH = -12.0 mA
Output Low Voltage V_OL2B I_OL = 12 mA
Output High Current
I_OH2B V_OH = 1.7 V
Output Low Current
I_OL2B V_OL = 0.7 V
Rise Time
t_r2B1
V_OL = 0.4 V, V_OH = 2.0 V
Fall Time
t_f2B1
V_OH = 2.0 V, V_OL = 0.4 V
Duty Cycle
d_t2B1 V_T = 1.25 V, Freq. < 124 MHz
Jitter, One Sigma
Jitter, Absolute
Jitter, Cycle-to-cycle
t_j1
1
σ2B
t_jabs2B1
t_jcyc-cyc2B1
V_T = 1.25 V
V_T = 1.25 V
V_T = 1.25 V
1_{Guaranteed by design, not 100% tested in production.}
2
2.3
0.31
-33
19
27
1.1
1
45 48
13
-250 42
100
MAX UNITS
V
0.4 V
-19 mA
mA
1.6 ns
1.6 ns
55 %
150 ps
+250 ps
250 ps
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 TYP
Output High Voltage
VOH1 IOH = -11 mA
2.4 3.1
Output Low Voltage
VOL1 IOL = 9.4 mA
0.17
Output High Current
IOH1 VOH = 2.0 V
-61
Output Low Current
IOL1
VOL = 0.8 V
Rise Time¹
tr1
VOL = 0.4 V, VOH = 2.4 V
Fall Time¹
tf1
VOH = 2.4 V, VOL = 0.4 V
Duty Cycle¹
dt1
VT = 1.5 V
Skew¹
tsk1
VT = 1.5 V
Jitter, One Sigma¹
Jitter, Absolute¹
tj1_σ1
tjabs1
VT = 1.5 V
VT = 1.5 V
Jitter, Cycle-to-cycle¹ t_jcyc-cyc1 V_T = 1.5 V
1_{Guaranteed by design, not 100% tested in production.}
25
45
0.5 1.8
0.5 1.7
45
51
37
16
-250 50
130
MAX UNITS
V
0.4 V
-22 mA
mA
2
ns
2
ns
55 %
500 ps
150 ps
250 ps
500 ps
7