ICS9148-37 Datasheet, PDF (13/16 Pages) Integrated Circuit Systems – Frequency Generator & Integrated Buffers for PENTIUM/Pro

ICS9148 - 37
Electrical Characteristics - SDRAM
T_A = 0 - 70C; V_DD = V_DDL = 3.3 V +/-5%; C_L = 30 pF
PARAMETER SYMBOL
CONDITIONS
MIN
Output High Voltage V_OH1 I_OH = -28 mA
2.4
Output Low Voltage V_OL1 I_OL = 23 mA
Output High Current I_OH1 V_OH = 2.0 V
Output Low Current
Rise Time¹
Fall Time¹
Duty Cycle¹
Skew¹
Jitter, One Sigma¹
Jitter, Absolute¹
Jitter, Absolute¹
I_OL1
T_r1
T_f1
D_t1
T_sk1
T_j1s1
T_jabs1
T_jabs1
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 (with synchronous PCI)
V_T = 1.5 V (with asynchronous PCI)
41
45
-250
-400
1_{Guaranteed by design, not 100% tested in production.}
TYP
MAX UNITS
3
V
0.2
0.4
V
-60
-40
mA
50
mA
1.75
2
ns
1.5
2
ns
50
55
%
200
500
ps
50
150
ps
+250
ps
400
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
MIN
TYP
Output High Voltage V_OH1 I_OH = -28 mA
2.4
3
Output Low Voltage V_OL1 I_OL = 23 mA
0.2
Output High Current I_OH1 V_OH = 2.0 V
-60
Output Low Current
I_OL1 V_OL = 0.8 V
41
50
Rise Time
t_r11 V_OL = 0.4 V, V_OH = 2.4 V
1.8
Fall Time
t_f11 V_OH = 2.4 V, V_OL = 0.4 V
1.6
Duty Cycle
d_t11 V_T = 1.5 V
45
51
Skew
t_sk11 V_T = 1.5 V
130
Jitter, One Sigma¹
tj1s1a VT = 1.5 V, synchronous
40
tj1s1b VT = 1.5 V, asynchronous
200
Jitter, Absolute¹
tabs1a VT = 1.5 V, synchronous
-250
135
tjabs1b VT = 1.5 V, asynchronous
-650
500
1_{Guaranteed by design, not 100% tested in production.}
MAX
0.4
-40
2
2
55
250
150
250
250
650
UNITS
V
V
mA
mA
ns
ns
%
ps
ps
ps
ps
ps
0143G—08/04/04
13