em636165 Etron Technology Inc., em636165 Datasheet - Page 23

• Manufacturer Part Number: em636165
• Description: 1m X 16 Bit Synchronous Dram Sdram
• Manufacturer: Etron Technology Inc.

Figure 2. AC Parameters for Read Timing
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CLK
CKE
CS#
RAS#
CAS#
A10
DQM
DQ
WE#
A0-A9
A11
Hi-Z
T0
t
CH
t
IS
t
CL
T1
Command
t
Activate
IS
Bank A
RAx
RAx
T2
t
t
IS
t
CK
t
RCD
t
IH
IH
T3
Command
t
RRD
Bank A
Read
CAx
T4
T5
t
t
LZ
AC
Command
Activate
Bank B
23
Ax0
RBx
RBx
T6
(Burst Length=2, CAS# Latency=2)
t
t
t
AC
OH
RAS
Auto Precharge
T7
Ax1
t
HZ
Command
Read with
t
Bank B
RC
CBx
T8
Begin Auto
Precharge Bank B
T9
Command
Precharge
Bank A
Bx0
T10
t
RP
Rev. 3.4
T11 T12
Bx1
t
IH
t
EM636165
HZ
Command
Activate
Bank A
RAy
RAy
“H” or “L”
T13
Apr. 2008