ICS9148-58 Datasheet, PDF (11/14 Pages) Integrated Circuit Systems – Frequency Generator & Integrated Buffers for PENTIUM/ProTM

ICS9148 - 58
Electrical Characteristics - CPU
T_A = 0 - 70C; V_DD = V_DDL = 3.3 V +/-10%; C_L = 10 - 20 pF (unless otherwise stated)
PARAMETER SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Output High Voltage V_OH2A I_OH = -28 mA
Output Low Voltage V_OL2A I_OL = 27 mA
Output High Current I_OH2A V_OH = 2.0 V
Output Low Current
I_OL2A V_OL = 0.8 V
Rise Time
t_r2A1 V_OL = 0.4 V, V_OH = 2.4 V
Fall Time
t_f2A1 V_OH = 2.4 V, V_OL = 0.4 V
Duty Cycle
d_t2A1 V_T = 1.5 V
Skew
t_sk2A1 V_T = 1.5 V
Jitter, One Sigma
Jitter, Absolute
t_j1s2A1
t_jabs2A1
V_T = 1.5 V
V_T = 1.5 V
1_{Guaranteed by design, not 100% tested in production.}
2.5 2.6
V
0.35 0.4 V
-29 -23 mA
33 37
mA
1.75 2
ns
1.1 2 ns
45 50 55 %
50 250 ps
65 150 ps
-250 165 250 ps
Electrical Characteristics - CPU
T_A = 0 - 70C; V_DD = 3.3 V +/-5%, V_DDL = 2.5 V +/-5%; C_L = 10 - 20 pF (unless otherwise stated)
PAR AM ETER
SYM B OL
C ONDIT IONS
MIN TYP
Output High Voltage VOH2B I_OH = -8 mA
2
2 .2
Output Low Voltage VOL2B I_OL = 12 mA
0 .3
Output High Current IOH2B V_OH = 1.7 V
-2 0
Output Low Current
Rise Time
Fall Time
Duty Cycle
Skew
IOL 2 B
t r2 B ¹
t f2 B ¹
dt2B¹
tsk2B¹
V_OL = 0.7 V
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
19
26
1 .5
1 .6
40
47
60
Jitter, Single Edge
Displacement²
Jitter, One Sigma
Jitter, Absolute
tjsed2B¹
tj1s2B¹
tjabs2B¹
V_T = 1.25 V
V_T = 1.25 V
V_T = 1.25 V
200
65
-300 160
1 _{Guaranteed by design, not 100% tested in production.}
2 _{Edge displacement of a period relative to a 10-clock-cycle rolling average period.}
M AX UNITS
V
0 .4
V
-16 mA
mA
1 .8
ns
1 .8
ns
55
%
250 ps
250 ps
150 ps
300 ps
11