ICS9248-95 Datasheet, PDF (14/16 Pages) Integrated Circuit Systems – Frequency Generator & Integrated Buffers for PENTIUM/ProTM

ICS9248 - 95
Electrical Characteristics - PCI
T_A = 0 - 70C; V_DD = 3.3 V +/-5%; C_L = 30 pF (unless otherwise stated)
PARAMETER SYMBOL
CONDITIONS
MIN
Output Impedance
R_DSP11 V_O = V_DD*(0.5)
12
Output Impedance
R_DSN11 V_O = V_DD*(0.5)
12
Output High Voltage V_OH1 I_OH = -18 mA
2.4
Output Low Voltage
V_OL1 I_OL = 9.4 mA
Output High Current
I_OH1 V_OH = 2.0 V
Output Low Current
Rise Time
Fall Time
Duty Cycle
Skew Window
Jitter
I_OL1
t_r11
t_f11
d_t11
t_sk11
t_j1s11
t_jabs11
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
V_T = 1.5 V
25
45.0
1_{Guarenteed by design, not 100% tested in production.}
TYP
MAX UNITS
23
55
Ω
20
55
Ω
2.9
V
0.2
0.4
V
-58
-22
mA
52
mA
1.5
2.0
nS
1.4
2.0
nS
50.0
55.0
%
80
500
pS
50
150
pS
200
500
pS
Electrical Characteristics - SDRAM
T_A = 0 - 70C; V_DD =V_DDL 3.3 V +/-5%; C_L = 30 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
Output Impedance
Output Impedance
R_DSP2A1
R_DSN2A1
V_O = V_DD*(0.5)
V_O = V_DD*(0.5)
Output High Voltage
V_OH2A I_OH = -28 mA
Output Low Voltage
V_OL2A I_OL = 19 mA
Output High Current
I_OH2A V_OH = 2.0 V
Output Low Current
Rise Time
Fall Time
Duty Cycle
Skew Window ( output to output )
Skew ( Bufferin to output )
I_OL2A
t_r2A1
t_f2A1
d_t2A1
t_sk2A1
t_sk2A1
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_{Guarenteed by design, not 100% tested in production.}
MIN TYP MAX UNITS
10
20
Ω
10
20
Ω
2.4 2.8
V
0.3 0.4 V
-72 -42 mA
33
50
mA
0.5
2.0 nS
0.5
2
nS
45
50
55
%
200 250 pS
5
nS
310D—04/12/05
14