ICS9250-13 Datasheet, PDF (12/15 Pages) Integrated Circuit Systems – Frequency Generator & Integrated Buffers for PENTIUM/ProTM

ICS9250 - 13
Electrical Characteristics - SDRAM
T_A = 0 - 70º C; V_DD = 3.3 V +/-5%, V_DDL = 2.5 V +/-5%; C_L = 30 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Output High Voltage
V_OH3 I_OH = -25 mA
Output Low Voltage
V_OL3
I_OL = 20 mA
Output High Current
I_OH3
V_OH = 2.0 V
Output Low Current
Rise Time
Fall Time
Duty Cycle
Skew¹
I_OL3
V_OL = 0.8 V
T_r31
V_OL = 0.4 V, V_OH = 2.4 V
T_f31
V_OH = 2.4 V, V_OL = 0.4 V
D_t31
V_T = 1.5 V
T_sk1
V_T = 1.5 V
1_{Guarenteed by design, not 100% tested in production.}
2.4 2.85
V
0.35 0.4
V
-60 -40 mA
35
45
mA
1.6 2.4 ns
1.8 2.2 ns
46
52
56
%
325 500 ps
Electrical Characteristics - CPUCLK
T_A = 0 - 70º C; V_DD = 3.3 V +/-5%, V_DDL = 2.5 V +/-5%; C_L = 20 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Output High Voltage
V_OH2B I_OH = -8.0 mA
Output Low Voltage
V_OL2B I_OL = 12 mA
Output High Current
I_OH2B V_OH =1.7 V
Output Low Current
Rise Time
Fall Time
Duty Cycle
Skew
Jitter, Cycle-to-cycle
Jitter, One Sigma
Jitter, Absolute
I_OL2B
t_r2B1
t_f2B1
d_t2B1
t_sk2B1
tj_cyc-cyc2B1
t_j1σ2B1
t_jabs2B1
V_OL = 0.7 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
V_T = 1.25 V, Normal or Spread mode
V_T = 1.25 V
V_T = 1.25 V
1_{Guaranteed by design, not 100% tested in production.}
2
2.4
V
0.32 0.4
V
-37 -16 mA
19
26
mA
1.3 1.9 ns
1.5 1.9 ns
45
50
55
%
78 175 ps
170 350 ps
45 150 ps
-250 120 250 ps
12