ICS9148-53 Datasheet, PDF (15/18 Pages) Integrated Circuit Systems – Frequency Generator & Integrated Buffers for Mother Boards

ICS9148 - 53
Electrical Characteristics - SDRAM
TA = 0 - 70C; VDD = VDDL = 3.3 V +/-5%; CL = 30 pF
PARAMETER
SYMBOL
CONDITIONS
Output High Voltage
VOH1 IOH = -28 mA
Output Low Voltage
VOL1 IOL = 23 mA
Output High Current
IOH1 VOH = 2.0 V
Output Low Current
Rise Time¹
Fall Time¹
Duty Cycle¹
IOL1
VOL = 0.8 V
Tr1
VOL = 0.4 V, VOH = 2.4 V
Tf1
VOH = 2.4 V, VOL = 0.4 V
Dt1
VT = 1.5 V
Propagation Delay
Skew¹
Tprop
Tsk1
VT = 1.5 V
VT = 1.5 V
1_{Guaranteed by design, not 100% tested in production.}
MIN TYP MAX UNITS
2.4
3
V
0.2 0.4 V
-60 -40 mA
41
50
mA
1.75 2
ns
1.5
2
ns
45
50
55
%
4.2
6
ns
200 500 ps
Electrical Characteristics - PCI
T_A = 0 - 70C; V_DD = V_DDL = 3.3 V +/-5%; C_L = 30 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
Output High Voltage
Output Low Voltage
Output High Current
V_OH1
V_OL1
I_OH1
I_OH = -28 mA
I_OL = 23 mA
V_OH = 2.0 V
Output Low Current
Rise Time
Fall Time
Duty Cycle
Skew
Jitter, One Sigma¹
I_OL1
t_r11
t_f11
d_t11
t_sk
1
1
tj1s1a
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
VT = 1.5 V, synchronous
Jitter, Absolute¹
tj1s1b
tabs1a
VT = 1.5 V, asynchronous
VT = 1.5 V, synchronous
tjabs1b VT = 1.5 V, asynchronous
1_{Guaranteed by design, not 100% tested in production.}
MIN TYP MAX UNITS
2.4
3
V
0.2 0.4 V
-60 -40 mA
41 50
mA
1.8
2
ns
1.6
2
ns
45 51 55 %
130 250 ps
40 150 ps
200 250 ps
-250 135 250 ps
-650 500 650 ps
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