SSTUG32865 NXP Semiconductors, SSTUG32865 Datasheet - Page 11

• Manufacturer Part Number: SSTUG32865
• Description: Sstug32865 1.8 V 28-bit 1 2 Registered Buffer With Parity For Ddr2-1g Rdimm Applications
• Manufacturer: NXP Semiconductors

NXP Semiconductors
SSTUG32865_1
Product data sheet
Fig 4. RESET switches from LOW to HIGH
PTYERR
(1) After RESET is switched from LOW to HIGH, all data and PARIN input signals must be set and held LOW for a minimum
RESET
PARIN
DCSn
Dn
CK
CK
Qn
(1)
time of t
7.3.4 Power-up sequence
ACT(max)
HIGH, LOW, or Don't care
to avoid false error.
The reset function for the SSTUG32865 is similar to that of the SSTU32864 except that
the PTYERR signal is also cleared and will be held clear (HIGH) for three consecutive
clock cycles.
t
ACT
m
HIGH or LOW
t
PDM
Rev. 01 — 16 August 2007
, t
CK to Q
PDMSS
t
su
m + 1
CK to PTYERR
t
h
t
t
su
PHL
1.8 V DDR2-1G registered buffer with parity
m + 2
t
h
m + 3
CK to PTYERR
SSTUG32865
t
PHL
, t
PLH
© NXP B.V. 2007. All rights reserved.
m + 4
002aaa983
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