128Mb: 8 Meg x 16 Async/Page/Burst CellularRAM 1.5 Async/
Page/Burst CellularRAM 1.5 Memory
Async/Page/Burst CellularRAMTM 1.5
MT45W8MW16BGX
Features
Figure 1:
• Single device supports asynchronous, page, and
burst operations
• VCC, VCCQ voltages
– 1.70–1.95V VCC
– 1.7–3.6V1 VCCQ
• Random access time: 70ns
• Burst mode READ and WRITE access
– 4, 8, 16, or 32 words, or continuous burst
– Burst wrap or sequential
– MAX clock rate: 133 MHz (tCLK = 7.5ns)
– Burst initial latency: 35ns (5 clocks) at 133 MHz
– tACLK: 5.5ns at 133 MHz
• Page mode READ access
– Sixteen-word page size
– Interpage READ access: 70ns
– Intrapage READ access: 20ns
• Low power consumption
– Asynchronous READ: <25mA
– Intrapage READ: <15mA
– Initial access, burst READ:
(37.5ns [5 clocks] at 133 MHz) <45mA
– Continuous burst READ: <40mA
– Standby: <50µA (TYP at 25 °C)
– Deep power-down: <3µA (TYP)
• Low-power features
– On-chip temperature-compensated refresh (TCR)
– Partial-array refresh (PAR)
– Deep power-down (DPD) mode
Options
1
2
3
4
5
6
A
LB#
OE#
A0
A1
A2
CRE
B
DQ8
UB#
A3
A4
CE#
DQ0
C
DQ9
DQ10
A5
A6
DQ1
DQ2
D
VSSQ
DQ11
A17
A7
DQ3
VCC
E
VCCQ
DQ12
A21
A16
DQ4
VSS
F
DQ14
DQ13
A14
A15
DQ5
DQ6
G
DQ15
A19
A12
A13
WE#
DQ7
H
A18
A8
A9
A10
A11
A20
J
WAIT
CLK
ADV#
A22
RFU
RFU
Top View
(Ball Down)
Options (continued)
Designator
• Frequency
– 66 MHz
– 80 MHz
– 104 MHz
– 133 MHz
• Standby power at 85°C
– Standard: 200µA (MAX)
– Low power: 160µA (MAX)
• Operating temperature range
– Wireless (–30°C to +85°C)
– Industrial (–40°C to +85°C)
Designator
• Configuration
– 8 Meg x 16
– VCC core voltage: 1.70–1.95V
– VCCQ I/O voltage: 1.7–3.6V1
• Package
– 54-ball VFBGA—“green”
• Timing
– 70ns access
– 85ns access
54-Ball VFBGA Ball Assignment
MT45W8MW16B
GX
6
8
1
13
None
L
WT
IT
Notes: 1. The 3.6V I/O and the 133MHz clock frequency exceed the CellularRAM 1.5 Workgroup specification.
–70
–85
Part Number Example:
MT45W8MW16BGX-7013LWT
PDF: 09005aef80ec6f79/Source: 09005aef80ec6f65
128mb_burst_cr1_5_p26z__1.fm - Rev. H 9/07 EN
1
Micron Technology, Inc., reserves the right to change products or specifications without notice.
©2004 Micron Technology, Inc. All rights reserved.
Products and specifications discussed herein are subject to change by Micron without notice.
