ICS94222 Datasheet, PDF (13/19 Pages) List of Unclassifed Manufacturers – Programmable System Frequency Generator for PII/III™

ICS94222
Advance Information
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
Output High Voltage V_OH3 I_OH = -28 mA
2.4
Output Low Voltage
V_OL3
I_OL = 23 mA
Output High Current
I_OH3
V_OH = 2.0 V
Output Low Current
I_OL3
V_OL = 0.8 V
41
Rise Time
T_r31
V_OL = 0.4 V, V_OH = 2.4 V
Fall Time
T_f31
V_OH = 2.4 V, V_OL = 0.4 V
Duty Cycle
D_t31
V_T = 1.5 V
45
Skew¹
Tsk1
VT = 1.5 V
Propagation Delay
Tprop VT = 1.5 V
1_{Guarenteed by design, not 100% tested in production.}
MAX UNITS
V
0.4 V
-54 mA
mA
2
ns
2
ns
55 %
500 ps
5
ns
Electrical Characteristics - IOAPIC
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
Output High Voltage VOH4B IOH = -12 mA
2
Output Low Voltage
VOL4B IOL = 12 mA
Output High Current
IOH4B VOH = 1.7 V
Output Low Current
IOL4B VOL = 0.7 V
19
Rise Time¹
Tr4B
VOL = 0.4 V, VOH = 2.0 V
Fall Time¹
Tf4B
VOH = 2.0 V, VOL = 0.4 V
Duty Cycle¹
Dt4B VT = 1.25 V
45
Jitter, One Sigma¹
Tj1s4B VT = 1.25 V
Jitter, Absolute¹
Tjabs4B VT = 1.25 V
-1
1_{Guaranteed by design, not 100% tested in production.}
MAX UNITS
V
0.4
V
-19 mA
mA
2
ns
2
ns
55
%
0.5 ns
1
ns
This document is confidential and should not be released
without written consent from ICS.
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