MT45W4MW16BCGB-708 WT TR Micron Technology Inc, MT45W4MW16BCGB-708 WT TR Datasheet - Page 66

• Manufacturer Part Number: MT45W4MW16BCGB-708 WT TR
• Description: IC PSRAM 64MBIT 70NS 54VFBGA
• Manufacturer: Micron Technology Inc

Specifications of MT45W4MW16BCGB-708 WT TR

• 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
• Operating Temperature (max): 85C
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 557-1172-2

Figure 53:
PDF: 09005aef8247bd51/Source: 09005aef8247bd83
64mb_burst_cr1_5_p25z_133mhz__2.fm - Rev. F 9/07 EN
DQ[15:0]
LB#/UB#
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
IL
IL
IH
IL
IH
IL
IH
IL
IH
IL
IH
OL
IH
IH
IL
OH
OL
OH
Burst READ Followed by Asynchronous WRITE Using ADV#
Notes:
READ burst identified
t SP
t CSP
t HD
(WE# = HIGH)
address
t SP
t SP
t CEW
t SP
Valid
1. Nondefault BCR settings for burst READ followed by asynchronous WRITE using ADV#: fixed
2. When transitioning between asynchronous and variable-latency burst operations, CE# must
t HD
t HD
or variable latency; latency code 2 (3 clocks); WAIT active LOW; WAIT asserted during delay.
go HIGH. CE# can stay LOW when transitioning from fixed-latency burst READs. A refresh
opportunity must be provided every
following two conditions: a) clocked CE# HIGH or b) CE# HIGH for longer than 15ns.
High-Z
64Mb: 4 Meg x 16 Async/Page/Burst CellularRAM 1.5 Memory
t OLZ
t BOE
t ACLK
t VPH
t KHTL
t CLK
output
66
Valid
t HD
t KOH
t HD
t OHZ
t
t HZ
CEM. A refresh opportunity is satisfied by either of the
Micron Technology, Inc., reserves the right to change products or specifications without notice.
t CBPH
Note 2
High-Z
t CEW
t AS
t VP
t AVS
t AS
address
Valid
t AVH
t CW
t BW
t AW
©2005 Micron Technology, Inc. All rights reserved.
t WP
Don’t Care
t VS
Timing Diagrams
t DW
input
Valid
t HZ
Undefined
t WPH
t DH