mt45w4mw16b Micron Semiconductor Products, mt45w4mw16b Datasheet - Page 44

• Manufacturer Part Number: mt45w4mw16b
• Description: Async/page/burst Cellularramtm 1.0 Memory
• Manufacturer: Micron Semiconductor Products

Figure 33:
Table 25:
PDF: 09005aef80be1fbd/Source: 09005aef80be2036
Burst CellularRAM_2.fm - Rev. G 10/05 EN
Symbol
DQ[15:0]
t
t
t
t
t
t
LB#/UB#
ACLK
BOE
CBPH
CEM
CLK
CSP
A[21:0]
ADV#
WAIT
WE#
OE#
CLK
CE#
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
IH
IH
IH
IL
IH
IL
IL
IH
IL
IL
IH
IL
IH
IL
OH
OL
OH
OL
High-Z
Burst READ Timing Parameters – Burst Suspend
READ Burst Suspend
Min
12.5
4.5
t
t
CSP
5
SP
ADDRESS
t
t
SP
SP
VALID
t
SP
-708
t
t
t
t
HD
HD
HD
Notes: 1. Non-default BCR settings for READ burst suspend: Latency code two (three clocks); WAIT
HD
High-Z
Max
20
20
20
9
8
2. Clock rates below 50 MHz (
t
OLZ
t
ACLK
active LOW; WAIT asserted during delay.
Min
15
t
t
BOE
-706/-856
5
5
CLK
64Mb: 4 Meg x 16 Async/Page/Burst CellularRAM 1.0 Memory
OUTPUT
VALID
Max
11
20
20
20
8
t
KOH
OUTPUT
VALID
Units
ns
ns
ns
µs
ns
ns
OUTPUT
VALID
t
t
CEM
44
CLK > 20ns) are allowed as long as
OUTPUT
Symbol
t
t
t
t
t
t
VALID
HD
HZ
KOH
OHZ
OLZ
SP
t
OHZ
Micron Technology, Inc., reserves the right to change products or specifications without notice.
Min
t
OLZ
2
2
5
3
-708
t
BOE
Max
8
8
OUTPUT
VALID
©2003 Micron Technology, Inc. All rights reserved.
t
CSP specifications are met.
Min
DON’T CARE
Timing Diagrams
-706/-856
2
2
5
3
OUTPUT
VALID
Max
t
OHZ
t
8
8
t
HZ
CBPH
High-Z
UNDEFINED
ADDRESS
VALID
Units
ns
ns
ns
ns
ns
ns