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Pico E-15 Hardware Reference
www.picocomputing.com
Pico Computing
(206) 283-2178
150 Nickerson Street. Suite 311
Seattle, WA 98109
13
RAM Timing and Parameter Information
Parameter Value EDK Value
133 MHz
EDK Value
333 MHz
Registered No 0 0
Clock Pairs 1 1 1
Memory Banks 1 1 1
IDELAY Controllers 2 2 2
Differential DQs Yes 1 1
Open Row Management No 0 0
On Die Termination Disabled 0 0
ECC Support No 0 0
TMRD 2 Clocks 15000 6000
TWR 15 nS 15000 1500
TWTR 7.5 nS 1 3
TRAS 45 nS 45000 45000
TRC 60 nS 60000 60000
TRFC 127.5 nS 12750 12750
TRCD 15 nS 15000 15000
TRRD 10 nS 10000 10000
TRP 15 nS 15000 15000
TREFI 7.8 uS 7800000 7800000
TFAW 37.5 37500 37500
CAS Latency 5 Clocks 5 5
Data Width 32 Bits 32 32
Address Width 13 Bits 13 13
Column Width 10 Bits 10 10
Bank Address Width 3 3 3
Clock Period* 5 nS 7500 3000
*Minimum RAM Speed is 125MHz