ICS9250-27 Datasheet, PDF (9/15 Pages) Integrated Circuit Systems – Frequency Generator & Integrated Buffers for Celeron & PII/III™

ICS9250-27
Frequency Generator and Integrated Buffers for Celeron & PII/III^TM
Electrical Characteristics - IOAPIC
T_A = 0 - 70C; V_DDL = 2.5 V +/-5%; C_L = 10-20 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
Output Impedance
Output Impedance
Output High Voltage
Output Low Voltage
Output High Current
Output Low Current
Rise Time¹
Fall Time¹
Duty Cycle¹
Jitter, Cycle-to-cycle¹
R_DSP4B1
R_DSN4B1
V_OH4B
V_OL4B
I_OH4B
I_OL4B
t_r4B
t_f4B
d_t4B
t_jcyc-cyc4B
V_O = V_DD*(0.5)
V_O = V_DD*(0.5)
I_OH = -1 mA
I_OL = 1 mA
V_{OH @ MIN} = 1.0 V
V_{OH @ MAX} = 2.375 V
V_{OL @ MIN} = 1.2 V
V_{OL @ MAX} = 0.3 V
V_OL = 0.4 V, V_OH = 2.0 V
V_OH = 2.0 V, V_OL = 0.4 V
V_T = 1.25 V
V_T = 1.25 V
1_{Guaranteed by design, not 100% tested in production.}
MIN TYP MAX UNITS
9
21.5 30
Ω
9
23
30
Ω
2
V
0.4 V
-27 -68
mA
-9
-27
27
54
mA
11
30
0.4 1.1 1.6 ns
0.4 1.1 1.6 ns
45
50
55
%
123 500 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
Output High Voltage
Output Low Voltage
Output High Current
Output Low Current
Rise Time¹
Fall Time¹
Duty Cycle¹
Skew window¹
R_DSP31
R_DSN31
V_OH3
V_OL3
I_OH3
I_OL3
t_r3
t_f3
d_t3
t_sk3
V_O = V_DD*(0.5)
V_O = V_DD*(0.5)
I_OH = -1 mA
I_OL = 1 mA
V_{OH @ MIN} = 2.0 V
V_{OH @ MAX} = 3.135 V
V_{OL @ MIN} = 1.0 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
Jitter, Cycle-to-cycle^{1 t}jcyc-cyc3 ^VT ^{= 1.5 V, 66, 100 MHz}
1_{Guaranteed by design, not 100% tested in production.}
MIN TYP MAX UNITS
10
14
24
Ω
10
18
24
Ω
2.4
V
0.4
V
-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
%
164 250 ps
180 250 ps
IDT^TM Frequency Generator and Integrated Buffers for Celeron & PII/III^TM
9
0395F—01/25/10