ICS9248-110 Datasheet, PDF (13/14 Pages) Integrated Circuit Systems – AMD-K7TM System Clock Chip

ICS9248-110
Electrical Characteristics - AGP
T_A = 0 - 70C; V_DD=3.3V +/-5%; C_L = 20 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
Output Impedance
Output Impedance
Output High Voltage
R_DSP4B1
R_DSN4B1
V_OH4B
V_O=V_DD*(0.5)
V_O=V_DD*(0.5)
I_OH = -18 mA
Output Low Voltage
Output High Current
Output Low Current
Rise Time¹
Fall Time¹
Duty Cycle¹
Skew window1
Jitter Cyc-Cyc
V_OL4B
I_OH4B
I_OL4B
t_r4B
t_f4B
d_t4B
tsk¹
tjcyc-cyc¹
I_OL = 18 mA
V_OH = 2.0 V
V_OL = 0.8 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.}
Electrical Characteristics - SDRAM _OUT
TA = 0 - 70C; VDD=3.3V +/-5%; CL = 30 pF (unles s otherwis e s pecified)
PA RA M ETER
SYM BOL
CONDITIONS
Output Impedance
Output Impedance
RD SP ¹
RD SN ¹
VO =VD D * (0.5)
VO =VD D * (0.5)
Output High Voltage
VO H 3
IOH = -11 mA
Output Low Voltage
VO L 3
IOL = 11 mA
Output High Current
IO H 1
VOH = 2.0 V
Output Low Current
IO L 3
VOL = 0.8 V
SD (0:1,3:12) Ris e Time¹
t r3 ¹
VOL = 0.4 V, VOH = 2.4 V
SD(0:1,3:12) Fall Time¹
t f3 ¹
VOH = 2.4 V, VOL = 0.4 V
SD(0:1,3:12) Duty Cycle¹
dt31
VT = 1.5 V
Skew window¹
t
s
1
k
VT = 1.5 V
1_{Guaranteed by des ign, not 100% tes ted in production.}
MIN TYP MAX UNITS
12
55
Ω
12
55
Ω
2
V
0.4 V
-19 mA
19
mA
1
2
ns
1
2
ns
45
50
55
%
50 200 ps
288 450 ps
M IN
12
12
2
12
45
TYP M A X UNITS
55
Ω
55
Ω
V
0.4
V
-12 mA
mA
1
2
ns
1
2
ns
50
55
%
70
150 ps
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