MT45W4MW16BCGB-708 WT TR Micron Technology Inc, MT45W4MW16BCGB-708 WT TR Datasheet - Page 59

• 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 46:
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]
IN/OUT
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
IL
IL
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
OH
OL
IH
IL
High-Z
Burst WRITE Followed by Burst READ
t HD
Valid address
t CSP
t SP
t SP
t SP
Notes:
t HD
t HD
High-Z
1. Nondefault BCR settings for burst WRITE followed by burst READ: fixed or variable latency;
2. A refresh opportunity must be provided every
t CLK
latency code 2 (3 clocks); WAIT active LOW; WAIT asserted during delay.
either of the following two conditions: a) clocked CE# HIGH, or b) CE# HIGH for longer than
15ns. CE# can stay LOW between burst READ and burst WRITE operations, but CE# must not
remain LOW longer than
pages 60 through 62) for cases where CE# stays LOW between bursts.
t HD
t SP
t SP
64Mb: 4 Meg x 16 Async/Page/Burst CellularRAM 1.5 Memory
D0
t HD
D1
D2
t
D3
CEM. See burst interrupt diagrams (Figures 47 through 49 on
t HD
59
t CBPH
Note 2
t HD
t CSP
Valid address
t SP
t SP t HD
t SP t HD
V
V
OH
OL
Micron Technology, Inc., reserves the right to change products or specifications without notice.
High-Z
t
CEM. A refresh opportunity is satisfied by
t ACLK
t BOE
Valid output
t KOH
Valid output
©2005 Micron Technology, Inc. All rights reserved.
Timing Diagrams
Don’t Care
Valid output
Valid output
Undefined
t OHZ
High-Z