PNX1700EH,557 NXP Semiconductors, PNX1700EH,557 Datasheet - Page 338
PNX1700EH,557
Manufacturer Part Number
PNX1700EH,557
Description
Manufacturer
NXP Semiconductors
Datasheet
1.PNX1700EH557.pdf
(832 pages)
Specifications of PNX1700EH,557
Operating Temperature (min)
0C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Lead Free Status / RoHS Status
Not Compliant
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Philips Semiconductors
Volume 1 of 1
PNX17XX_SER_1
Preliminary data sheet
Figure 9:
Figure 10: Trrd and Trc Timing Parameters
Figure 11: Trfc Timing Parameter
command
command
command
address
address
clk_n
clk_n
bank
clk_n
Tcas Timing Parameter
dqs
clk
clk
clk
dq
4.0.1 Tcas Timing Parameter
4.1 Trrd and Trc Timing Parameters
4.2 Trfc Timing Parameter
A. rf.
Read
Act
n
Trrd = 3
Trrd = 3
Figure 9
Figure 10
of 8 cycles. The first two activated commands are to different banks, the third
activated command is to the same bank as the second command.
Figure 11
Tcas = 2.5
shows two consecutive read bursts with a Tcas delay of 2.5 cycles.
shows three active commands with a Trrd delay of 3 cycles and a Trc delay
shows a Tcas of 8 cycles.
Act
m
Trfc = 8
Trfc = 8
Rev. 1 — 17 March 2006
Read
Tcas = 2.5
Trc = 8
Trc = 8
Any
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Chapter 9: DDR Controller
PNX17xx Series
Act
m
9-21
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