ICS9250-26 Datasheet, PDF (10/15 Pages) Integrated Circuit Systems – Frequency Generator & Integrated Buffers for Celeron & PII/III™

ICS9250-26
Electrical Characteristics - IOAPIC
TA = 0 - 70C; VDDL = 2.5 V +/-5%; CL = 10-20 pF (unles s otherwis e s pecified)
PA RA M ETER
SYM BOL
CONDITIONS
Output Impedance
Output Impedance
Output High Voltage
R _DSP4B1
R _DSN4B1
VO H 4B
V_O = V_DD*(0.5)
V_O = V_DD*(0.5)
IOH = -1 mA
Output Low Voltage
VO L4B IO L = 1 mA
Output High Current
IO H 4 B
VO H @ MIN = 1.0 V
VOH @ MAX = 2.375 V
Output Low Current
Ris e Time¹
Fall Time¹
Duty Cycle¹
Skew window¹
Jitter, Cycle-to-cycle¹
IO L 4 B
t r4 B
t f4 B
dt4B
tsk4B
t j cy c-cy c4 B
VO L @ MIN = 1.2 V
VO L @ MA X = 0.3 V
VOL = 0.4 V, VOH = 2.0 V
VOH = 2.0 V, VOL = 0.4 V
VT = 1.25 V
VT = 1.25 V
VT = 1.25 V
1_{Guaranteed by des ign, not 100% tes ted in production.}
M IN
9
9
2
-27
27
0.4
0.4
45
TYP M A X UNITS
16
30
Ω
20
30
Ω
V
0.4
V
-68
mA
-9
-27
54
mA
11
30
1.1
1.6
ns
1.1
1.6
ns
49
55
%
25
250 ps
150 500 ps
Electrical Characteristics - SDRAM
T_A = 0 - 70C; V_DD = 3.3 V +/-5%; C_L = 20-30 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
Output Impedance
Output Impedance
R_DSP3B1
R_DSN3B1
V_O = V_DD*(0.5)
V_O = V_DD*(0.5)
Output High Current
I_OH3
V_{OH @ MIN} = 2.0 V
V_{OH @ MAX} = 3.135 V
Output Low Current
Rise Time¹
Fall Time¹
Duty Cycle¹
Skew window¹
I_OL3
V_{OL @ MIN} = 1.0 V
V_{OL @ MAX} = 0.4 V
t_r3
V_OL = 0.4 V, V_OH = 2.4 V
t_f3
V_OH = 2.4 V, V_OL = 0.4 V
d_t3
V_T = 1.5 V
t_sk3
V_T = 1.5 V
Jitter, Cycle-to-cycle¹
t_jcyc-cyc3
V_T = 1.5 V, 66, 100 MHz
V_T = 1.5 V, 133 MHz
1_{Guaranteed by design, not 100% tested in production.}
MIN TYP MAX UNITS
10
12
24
Ω
10
15
24
Ω
-54 -92
mA
-16 -46
54
68
mA
29
53
0.4
1
1.6 ns
0.4 1.5 1.6 ns
45
52
55
%
85 250 ps
120 250
ps
150 300
10