upd4564441-a75 Elpida Memory, Inc., upd4564441-a75 Datasheet - Page 54

• Manufacturer Part Number: upd4564441-a75
• Description: 64m-bit Synchronous Dram, 133mhz 4-bank, Lvttl
• Manufacturer: Elpida Memory, Inc.

CLK
CKE
/CS
/RAS
/CAS
/WE
A13
A12
A10
ADD
DQM
DQ
L
Hi-Z
T0
H
Command
for Bank A
Activate
RAa
RAa
T1
T2
T3
Command
for Bank A
Read
CAa
T4
T5
T6
QAa1 QAa2
T7
T8
Hi-Z at the end of wrap function
QAa3 QAa4
T9
T10
Write Latency = 0
T11
Command
for Bank A
DAb1
Write
CAb
T12
DAb2
0-Clock Latency
Word Masking
T13
T14
DAb4
T15
Command
for Bank A
Read
CAc
T16
T17
T18
QAc1
T19
QAc2
2-Clock Latency
T20
T21