ICS9250-26 Datasheet, PDF (11/15 Pages) Integrated Circuit Systems – Frequency Generator & Integrated Buffers for Celeron & PII/III™

ICS9250-26
Electrical Characteristics - PCI
T_A = 0 - 70C; V_DD = 3.3 V +/-5%; C_L = 10-30 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
Output Impedance
Output Impedance
Output High Voltage
Output Low Voltage
Output High Current
R_DSP1B1
R_DSN1B1
V_OH1
V_OL1
I_OH1
V_O = V_DD*(0.5)
V_O = V_DD*(0.5)
I_OH = -1 mA
I_OL = 1 mA
V_{OH @ MIN} = 1.0 V
V_{OH @ MAX} = 3.135 V
Output Low Current
Rise Time¹
Fall Time¹
Duty Cycle¹
Skew window¹
Jitter, Cycle-to-cycle¹
I_OL1
t_r1
t_f1
d_t1
t_sk1
t_jcyc-cyc1
V_{OL @ MIN} = 1.95 V
V_{OL @ MAX} = 0.4 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
1_{Guaranteed by design, not 100% tested in production.}
MIN TYP MAX UNITS
12
15
55
Ω
12
15
55
Ω
2.4
V
0.55 V
-33 -106
mA
-14 -33
30
94
mA
29
38
0.4 1.3
2
ns
0.4 1.4
2
ns
45
51
55
%
250 500 ps
150 500 ps
Electrical Characteristics - REF, 48M Hz_0 (Pin 25)
TA = 0 - 70C; VDD = 3.3 V +/-5%; CL = 10-20 pF (unles s otherwis e s pecified)
PA RA M ETER
SYM BOL
CONDITIONS
M IN
Output Impedance
R
DSP5
1
B
V_O = V_DD*(0.5)
20
Output Impedance
R
DSN5
1
B
V_O = V_DD*(0.5)
20
Output High Voltage
VOH15 IOH = -1 mA
2.4
Output Low Voltage
VO L5
IOL = 1 mA
VO H @ MIN = 1.0 V
-29
Output High Current
IO H 5
VOH @ MAX = 3.135 V
VOL @ MIN = 1.95 V
29
Output Low Current
IO L5
VO L @ MA X = 0.4 V
Ris e Time¹
tr5
VOL = 0.4 V, VOH = 2.4 V
0.4
Fall Time¹
tf5
VOH = 2.4 V, VOL = 0.4 V
0.4
Duty Cycle¹
dt5
VT = 1.5 V
45
Jitter, Cycle-to-cycle¹ tjcyc-cyc5 VT = 1.5 V, Fixed clocks
Jitter, Cycle-to-cycle¹ tjcyc-cyc5 VT = 1.5 V, Ref clocks
1_{Guaranteed by des ign, not 100% tes ted in production.}
TYP M A X UNITS
29
60
Ω
27
60
Ω
V
0.55 V
-54
mA
-11 -23
54
mA
16
27
1.1
4
ns
1.6
4
ns
53
55
%
130 500 ps
650 1000 ps
11