ICS952801 Datasheet, PDF (18/22 Pages) Integrated Circuit Systems – Programmable Timing Control HubTM for K8TM processor

Integrated
Circuit
Systems, Inc.
ICS952801
Advance Information
Electrical Characteristics - ZCLK
T_A = 0 - 70C; VDD=3.3V +/-5%; C_L = 10-30 pF (unless otherwise specified)
PARAMETER SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Output Frequency
F_O1
Output Impedance
R_DSP11 V_O = V_DD*(0.5)
12
Output High Voltage V_OH1 I_OH = -1 mA
2.4
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
-33
Output Low Current
I_OL1
V_{OL @MIN} = 1.95 V, V_{OL @MAX} = 0.4 V
30
Rise Time
t_r11
V_OL = 0.4 V, V_OH = 2.4 V
0.5
Fall Time
t_f11
V_OH = 2.4 V, V_OL = 0.4 V
0.5
Duty Cycle
d_t11
V_T = 1.5 V
45
Skew
t_sk11
V_T = 1.5 V
Jitter
t_jcyc-cyc1 V_T = 1.5 V 3V66
MHz
55
Ω
V
0.55 V
-33 mA
38 mA
2
ns
2
ns
55 %
250 ps
250 ps
Electrical Characteristics - AGPCLK, ZCLK
T_A = 0 - 70C; VDD=3.3V +/-5%; C_L = 10-30 pF (unless otherwise specified)
PARAMETER SYMBOL
CONDITIONS
Output Frequency
Output Impedance
Output High Voltage
Output Low Voltage
Output High Current
Output Low Current
Rise Time
Fall Time
Duty Cycle
Skew
Jitter
F_O1
R_DSP11
V_OH1
V_OL1
I_OH1
I_OL1
t_r11
t_f11
d_t11
t_s
1
k1
t_jcyc-cyc1
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
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 3V66
MIN
12
2.4
-33
30
0.5
0.5
45
TYP
MAX UNITS
MHz
55
Ω
V
0.55 V
-33 mA
38 mA
2
ns
2
ns
55 %
250 ps
250 ps
Electrical Characteristics - PCICLK
T_A = 0 - 70C; V_DD = 3.3 V,+/-5%; C_L = 30 pF
PARAMETER SYMBOL
CONDITIONS
Output High Voltage V_OH1 I_OH = -18 mA
Output Low Voltage V_OL1 I_OL = 9.4 mA
Output High Current
I_OH1
V_OH = 2.0 V
Output Low Current
Rise Time¹
Fall Time¹
Duty Cycle¹
Skew¹
I_OL1
V_OL = 0.8 V
t_r1
V_OL = 0.4 V, V_OH = 2.4 V
t_f1
V_OH = 2.4 V, V_OL = 0.4 V
d_t1
V_T = 1.5 V
t_sk1
V_T = 1.5 V
Jitter
t_jcyc-cyc1
t_jabs1
V_T = 1.5 V
V_T = 1.5 V
1_{Guaranteed by design, not 100% tested in production.}
0719—01/22/03
MIN TYP MAX UNITS
2.1
V
0.4 V
-22 mA
16
57 mA
2
ns
2
ns
45
55 %
500 ps
500 ps
500 ps
18