ICS9150-04 Datasheet, PDF (15/19 Pages) Integrated Circuit Systems – Pentium Pro™ and SDRAM Frequency Generator

ICS9150- 04
Electrical Characteristics - SDRAM
T_A = 0 - 70C; V_DD = V_DDL = 3.3 V +/-10%; C_L = 20 - 30 pF (unless otherwise stated)
PARAMETER SYMBOL
CONDITIONS
MIN
Output Impedance R_DSP31 V_O = V_DD*(0.5)
10
Output Impedance R_DSN31 V_O = V_DD*(0.5)
10
Output High Voltage V_OH3 I_OH = -28 mA (except SDRAM12,13)
2.4
V_OH3a I_OH = -16 mA (SDRAM12,13)
2.4
Output Low Voltage V_OL3 I_OL = 23 mA (except SDRAM12,13)
V_OL3a I_OL = 9 mA (SDRAM12,13)
Output High Current I_OH3 V_OH = 2.0 V (except SDRAM12,13)
I_OH3a V_OH = 2.0 V (SDRAM12,13)
Output Low Current I_OL3 V_OL = 0.8 V (except SDRAM12,13)
41
I_OL3a V_OL = 0.8 V (SDRAM12,13)
16
Rise Time
T_r31
V_OL = 0.4 V, V_OH = 2.4
(except SDRAM12,13)
T_r3a1 V_OL = 0.4 V, V_OH = 2.4 V (SDRAM12,13)
Fall Time
T_f31
V_OH = 2.4 V, V_OL = 0.4
(except SDRAM12,13)
T_f3a1 VOH = 2.4 V, VOL = 0.4 V (SDRAM12,13)
Duty Cycle
D_t31 VT = 1.5 V
Skew
T_sk31 V_T = 1.5 V (except SDRAM12,13)
Jitter, One Sigma
T_j
1
1s3
V_T = 1.5 V
Jitter, Absolute
T_jabs31 VT = 1.5 V
1_{Guaranteed by design, not 100% tested in production.}
45
-250
TYP
MAX UNITS
24
Ω
24
Ω
3
V
2.6
V
0.2
0.4
V
0.3
0.4
V
-60
-40
mA
-32
-22
mA
50
mA
25
mA
1.2
2
ns
2.5
4
ns
1.1
2
ns
2.7
4
ns
51
57
%
285
500
ps
50
150
ps
-
250
ps
15