82801CA Datasheet, PDF (481/521 Pages) Intel Corporation – I/O Controller Hub 3-S (ICH3-S)

Electrical Characteristics
Figure 16-18. Power Sequencing and Reset Signal Timings
PWROK,
VRMPWRGD
Vcc3_3, Vcc1_8,
V_CPU_IO
V5Ref
RSMRST#,
RSM_PWROK
VccSus3_3,
VccSus1_8
V5RefSus
RTCRST#
VccRTC
T172
T170
T175
T173
T171
T176
T174
ich2_powerup_reset_DT.vsd
Figure 16-19. 1.8 V/3.3 V Power Sequencing
V
3.3
V
O ^1.8
L
T
A
G
E
V
Time
V < 2.0V
t
Pow er_Seq
Intel^® 82801CA ICH3-S Datasheet
481