MT45W4MW16BFB-708 WT F Micron Technology Inc, MT45W4MW16BFB-708 WT F Datasheet - Page 52
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MT45W4MW16BFB-708 WT F
Manufacturer Part Number
MT45W4MW16BFB-708 WT F
Description
IC PSRAM 64MBIT 70NS 54VFBGA
Manufacturer
Micron Technology Inc
Datasheet
1.MT45W4MW16BBB-706_WT_TR.pdf
(61 pages)
Specifications of MT45W4MW16BFB-708 WT F
Format - Memory
RAM
Memory Type
PSRAM (Page)
Memory Size
64M (4M x 16)
Speed
70ns
Interface
Parallel
Voltage - Supply
1.7 V ~ 1.95 V
Operating Temperature
-30°C ~ 85°C
Package / Case
54-VFBGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Figure 41:
Table 33:
Table 34:
PDF: 09005aef80be1fbd/Source: 09005aef80be2036
Burst CellularRAM_2.fm - Rev. G 10/05 EN
Symbol
Symbol
t
t
t
t
t
t
t
t
DQ[15:0]
CBPH
CLK
CSP
ABA
ACLK
BOE
CLK
CSP
LB#/UB#
IN/OUT
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
IL
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
OH
OL
IH
IL
High-Z
WRITE Timing Parameters – Burst WRITE Followed by Burst READ
READ Timing Parameters – Burst WRITE Followed by Burst READ
Burst WRITE Followed by Burst READ
Min
Min
12.5
12.5
t CSP
t SP
t SP t HD
t SP
4.5
4.5
ADDRESS
5
VALID
t HD
t HD
-708
-708
High-Z
Notes: 1. Non-default BCR settings for burst WRITE followed by burst READ: Latency code two
Max
Max
46.5
20
20
20
20
20
9
2. When configured for synchronous mode (BCR[15] = 0), a refresh opportunity must be pro-
3. Clock rates below 50 MHz (
t CLK
(three clocks); WAIT active LOW; WAIT asserted during delay.
vided every
tions: a) clocked CE# HIGH, or b) CE# HIGH for greater than 15ns. Note that CellularRAM
Working Group 1.0 specification requires CE# to be clocked HIGH to terminate the burst.
Min
Min
15
15
5
5
-706/-856
5
-706/-856
t SP
t SP t HD
64Mb: 4 Meg x 16 Async/Page/Burst CellularRAM 1.0 Memory
D[0]
t HD
Max
Max
56
11
20
20
20
20
20
D[1]
t
CEM. A refresh opportunity is satisfied by either of the following two condi-
D[2]
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
D[3]
t HD
t
52
CLK > 20ns) are allowed as long as
t CBPH
Symbol
t
t
t
t
Symbol
t
t
HD
KOH
OHZ
SP
HD
SP
2
t CSP
t SP
t SP t HD
t SP t HD
V
V
ADDRESS
OH
OL
VALID
Micron Technology, Inc., reserves the right to change products or specifications without notice.
t HD
High-Z
t ABA
t ACLK
Min
Min
2
2
3
2
3
t BOE
-708
-708
OUTPUT
VALID
Max
Max
8
t KOH
OUTPUT
©2003 Micron Technology, Inc. All rights reserved.
VALID
t
CSP specifications are met.
Min
Min
Timing Diagrams
-706/-856
2
3
-706/-856
2
2
3
DON’T CARE
OUTPUT
VALID
Max
Max
8
OUTPUT
VALID
t OHZ
UNDEFINED
Units
Units
High-Z
ns
ns
ns
ns
ns
ns