ICS950812 Datasheet, PDF (12/30 Pages) Integrated Circuit Systems – Frequency Generator with 200MHz Differential CPU Clocks

ICS950812
Frequency Generator with 200MHz Differential CPU Clocks
Electrical Characteristics - 3V66 -Un-Buffered Mode: 3V66 [5:0]
T_A = 0 - 90°C; VDD=3.3V +/-5%; C_L = 10-30 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
MIN
Output Impedance
R_DSP11
V_O = V_DD*(0.5)
12
Average Period
T_PERIOD
Fig. 8
Output High Voltage
V_OH1
I_OH = -1 mA
Output Low Voltage
V_OL1
I_OL = 1 mA
Output High Current
I_OH1
V _OH@MIN = 1.0 V, V _OH@MAX = 3.135 V
Output Low Current
I_OL1
V_{OL @MIN} = 1.95 V, V_{OL @MAX} = 0.4 V
Rise Time
t_r11
V_OL = 0.4 V, V_OH = 2.4 V (Fig. 7)
Fall Time
t_f11
V_OH = 2.4 V, V_OL = 0.4 V (Fig. 7)
Duty Cycle
d_t11
V_T = 1.5 V (Fig. 8)
Skew
t_sk11
V_T = 1.5 V
Jitter
t_jcyc-cyc1
V_T = 1.5 V (Fig. 8)
1_{Guaranteed by design, not 100% tested in production.}
15.00
2.05
-33
26
0.5
0.5
45
TYP
33
15.01
1.6
1.2
48
40
133
MAX
65
15.30
0.65
-28
38
2.3
2.3
55
250
290
UNITS
Ω
ns
V
V
mA
mA
ns
ns
%
ps
ps
Electrical Characteristics - VCH, 48MHz DOT, 48MHz, USB
T_A = 0 - 90°C; VDD=3.3V +/-5%; C_L = 10-20 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
Output Frequency
F_O1
Fig. 8
Output Impedance
R_DSP11
V_O = V_DD*(0.5)
Output High Voltage
V_OH1
I_OH = -1 mA
Output Low Voltage
V_OL1
I_OL = 1 mA
Output High Current
I_OH1
V _OH@MIN = 1.0 V, V _OH@MAX = 3.135 V
Output Low Current
I_OL1
V_{OL @MIN} = 1.95 V, V_{OL @MAX} = 0.4 V
48DOT Rise Time
t_r11
V_OL = 0.4 V, V_OH = 2.4 V (Fig. 7)
48DOT Fall Time
t_f11
V_OH = 2.4 V, V_OL = 0.4 V (Fig. 7)
VCH 48 USB Rise Time
t_r11
V_OL = 0.4 V, V_OH = 2.4 V (Fig. 7)
VCH 48 USB Fall Time
t_f11
V_OH = 2.4 V, V_OL = 0.4 V (Fig. 7)
48 DOT Duty Cycle
d_t11
V_T = 1.5 V (Fig. 8)
VCH 48 USB Duty Cycle
d_t11
V_T = 1.5 V (Fig. 8)
48 DOT Jitter
t_jcyc-cyc1
V_T = 1.5 V (Fig. 8)
USB to DOT Skew
t_sk11
V_T = 1.5 V (180 degrees out of phase)
VCH Jitter
t_jcyc-cyc1
V_T = 1.5 V (Fig. 8)
1_{Guaranteed by design, not 100% tested in production.}
MIN TYP MAX UNITS
48
MHz
20 48 70
Ω
2.05
V
0.5
V
-29
-20 mA
25
27
mA
0.5 0.7 1.15 ns
0.5 0.8 1.15 ns
1
1.2 2.3
ns
1
1.4 2.3
ns
45 53 55
%
45 53 55
%
183 410
ps
0.43 1
ns
157 410
ps
IDT^TM Frequency Generator with 200MHz Differential CPU Clocks
12
0542J—01/25/10