ICS952301 Datasheet, PDF (11/12 Pages) Integrated Circuit Systems – Frequency Timing Generator for Transmeta Systems

ICS952301
Advance Information
Electrical Characteristics - 48MHz & 48/24MHz Output Type: 1
TA = 0 - 70C; VDD = 3.3 V , +/-5%; CL = 10 - 20 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Output Impedence
Rdsp VO = Vdd * 0.5
20
30
65 Ohm
Output High Voltage
VOH5 IOH = -12 mA
2.6 2.9
V
Output Low Voltage
VOL5 IOL = 9 mA
0.3 0.4 V
Output High Current
IOH5 VOH = 2.0 V
-29 -22 mA
Output Low Current
Rise Time¹
Fall Time¹
Duty Cycle¹
IOL5 VOL = 0.8 V
tr5 VOL = 0.4 V, VOH = 2.4 V
tf5 VOH = 2.4 V, VOL = 0.4 V
dt5 VT = 1.5 V
16
51
mA
0.7 1.2 ns
0.7 1.2 ns
45
52
55
%
Jitter¹
t_jcyc-cyc5 VT = 1.5 V
tjabs5 VT = 1.5 V
164 500 ps
221 800 ps
Electrical Characteristics - PCICLK Output Type: 5
TA = 0 - 70C; VDD = 3.3 V,+/-5%; CL = 30 pF
PARAMETER
SYMBOL CONDITIONS
MIN
Output Impedence
Rdsp VO = Vdd * 0.5
12
Output High Voltage
VOH1 IOH = -18 mA
2.1
Output Low Voltage
VOL1 IOL = 9.4 mA
Output High Current
IOH1 VOH = 2.0 V
Output Low Current
Rise Time¹
Fall Time¹
Duty Cycle¹
Skew¹
Jitter
IOL1 VOL = 0.8 V
16
tr1 VOL = 0.4 V, VOH = 2.4 V
tf1 VOH = 2.4 V, VOL = 0.4 V
dt1 VT = 1.5 V
45
tsk1
t_jcyc-cy
1
c
tjabs1
VT = 1.5 V
V_T = 1.5 V
VT = 1.5 V
PCICLK(6:0)
TYP MAX UNITS
32
60 Ohm
2.8
V
0.15 0.4
V
-75 -22 mA
44
57 mA
1.6
2
ns
1.8
2
ns
50
55
%
16 500 ps
100 500 ps
210 500 ps
0673—07/09/02
11