NH82801DBSL8DE 869490 Intel, NH82801DBSL8DE 869490 Datasheet - Page 537
NH82801DBSL8DE 869490
Manufacturer Part Number
NH82801DBSL8DE 869490
Description
Manufacturer
Intel
Datasheet
1.NH82801DBSL8DE_869490.pdf
(587 pages)
Specifications of NH82801DBSL8DE 869490
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®
Table 17-19. Power Sequencing and Reset Signal Timings
82801DB ICH4 Datasheet
NOTES:
1. The V5Ref supply must power up before or simultaneous with its associated 3.3 V supply, and must power
2. The VccSus supplies must never be active while the VccRTC supply is inactive. Likewise, the Vcc supplies
Sym
t170
t171
t172
t173
t174
t175
t176
t177
t178
t179
t180
down simultaneous with or after the 3.3 V supply. See
must never be active while the VccSus supplies are inactive.
VccRTC active to RTCRST# inactive
V5RefSus active to VccSus3_3, VccSus1_5
active
VccRTC supply active to VccSus supplies
active
VccSus supplies active to LAN_RST# active,
RSMRST# inactive
V5Ref active to Vcc3_3, Vcc1_5, VccHI active
VccSus supplies active to Vcc supplies active
Vcc supplies active to PWROK, VRMPWRGD
active
PWROK and VRMPWRGD and
SYS_RESET#inactive to SUS_STAT# inactive
SUS_STAT# inactive to PCIRST# inactive
AC_RST# active low pulse width
AC_RST# inactive to BIT_CLK startup delay
Parameter
Section 2.20.3
162.8
Min
10
10
32
5
0
0
0
0
1
1
for details.
Max
38
—
—
—
—
—
—
—
3
Electrical Characteristics
RTCCLK
RTCCLK
Units
ms
ms
ms
ms
ms
ms
ms
us
ns
1
2
1
2
Notes
17-18
17-18
17-18
17-18
17-20
17-18
17-18
17-18
17-20
17-20
17-20
Fig
537
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