AN1834 Freescale Semiconductor / Motorola, AN1834 Datasheet - Page 22

• Manufacturer Part Number: AN1834
• Description: DSP56300 Using DSP56300 Interactive Timing Diagrams
• Manufacturer: Freescale Semiconductor / Motorola

22
4
4.1 Entering DRAM Timings
DSP-to-DRAM Analysis
1
2
3
4
5
6
7
8
9
10 V
11 V
12 V
13 V
14 V
15 V
16 V
17 V
18 V
19 V
20 V
Row
DSP-to-DRAM Analysis
V
V
V
V
V
V
V
V
V
Part_Number
Data_Reference
Mode_Descriptio
n
tRC
tRWC
tRAC
tCAC
tAA
tCLZ
tOFF
tT
tRP
tRAS
tRSH
tCSH
tCAS
tRCD
tRAD
tCRP
tASR
Name
Using DSP56300 Interactive Timing Diagrams
[,]
[,]
[,]
[110,]
[155,]
[,60]
[,15]
[,30]
[0,]
[0,15]
[3,50]
[40,]
[60,10000]
[15,]
[60,]
[15,10000]
[20,45]
[15,30]
[5,]
[0,]
Formula
Freescale Semiconductor, Inc.
Table 5.
For More Information On This Product,
110
155
0
0
3
40
60
15
60
15
20
15
5
0
Min
Go to: www.freescale.com
DRAM Library for 60-ns EDO DRAM
60
15
30
15
50
10000
10000
45
30
Max
KM416V1200C-6 CMOS DRAM Data Sheet March 1999
Random read or write cycle time
Read-modify-write cycle time
Samsung 1Mx16bit CMOS Dynamic RAM with Fast
Page Mode
All -6 Timings
Access time from /RAS
Access time from /CAS
Access time from column address
/CAS to output in Low-Z
Output buffer turn-off delay
Transition time (rise and fall)
/RAS precharge time
/RAS pulse width
/RAS hold time
/CAS hold time
/CAS pulse width
/RAS to /CAS delay time
/RAS to column address delay time
/CAS to /RAS precharge time
Row address set-up time
Comment