ICS952301 Datasheet, PDF (10/12 Pages) Integrated Circuit Systems – Frequency Timing Generator for Transmeta Systems

ICS952301
Advance Information
Electrical Characteristics - CPUCLK Output Type: 1
T_A = 0 - 70C; V_DD = 3.3 V +/-5% C_L = 10 - 20 pF (unless otherwise stated)
PARAMETER SYMBOL
CONDITIONS
MIN TYP MAX
Output Impedence
Rdsp VO = Vdd * 0.5
12
32
60
Output High Voltage V_OH2B I_OH = -12.0 mA
1.8 2.1
Output Low Voltage V_OL2B I_OL = 12 mA
0.15 0.4
Output High Current
I_OH2B V_OH = 1.7 V
-32 -27
Output Low Current
I_OL2B V_OL = 0.7 V
27 49
Rise Time
t_r2B1
V_OL = 0.4 V, V_OH = 2.4 V 0.4
1.4
2
Fall Time
t_f2B1
V_OH = 2.4 V, V_OL = 0.4 V 0.4
1.6
2
Duty Cycle
d
1
t2B
V_T = 1.5 V
44 48 55
Skew
t_s
1
k2B
V_T = 1.5 V
18 175
Jitter
t_jcy
1
c-cyc2B
V_T = 1.5 V
t_j
1
abs2B
V_T = 1.5 V
122 250
-250 198 +250
UNITS
Ohm
V
V
mA
mA
ns
ns
%
ps
ps
ps
Electrical Characteristics - REF
Output Type:
TA = 0 - 70C; VDD = 3.3 V , +/-5%; CL = 10 - 20 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP
Output Impedence
Rdsp VO = Vdd * 0.5
12
32
Output High Voltage
VOH5 IOH = -12 mA
2.6 2.9
Output Low Voltage
VOL5 IOL = 9 mA
0.3
Output High Current
IOH5 VOH = 2.0 V
-29
Output Low Current
Rise Time¹
Fall Time¹
Duty Cycle¹
IOL5
VOL = 0.8 V
16
51
tr5
VOL = 0.4 V, VOH = 2.4 V
1.9
tf5
VOH = 2.4 V, VOL = 0.4 V
1.9
dt5
VT = 1.5 V
45
52
Jitter¹
t_jcyc-cyc5 VT = 1.5 V
559
1
MAX
60
0.4
-22
4
4
55
1000
UNITS
Ohm
V
V
mA
mA
ns
ns
%
ps
0673—07/09/02
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