Fujitsu MB85R4M2TFN-G-ASE1 Fram chip consisting of 262,144 wordsã 16 bits of nonvolatile memory Datasheet

FUJITSU SEMICONDUCTOR
FACT SHEET
NP501-00026-0v01-E
FRAM
MB85R4M2T
The MB85R4M2T is an FRAM chip consisting of 262,144 words×16 bits of nonvolatile memory cells fabricated using
ferroelectric process and CMOS process technologies.
The MB85R4M2T uses a pseudo-SRAM interface that is compatible with conventional asynchronous SRAM.
■ FEATURES
• Bit configuration
• LB and UB data byte control
• Read/write endurance
• Data retention
• Operating power supply voltage
• Low power operation
• Operation ambient temperature range
• Package
: 262,144 words×16 bits
: Available Configuration of 524,288 words × 8 bits
: 1013 times / 16 bits
: 10 years (+85 °C)
: 1.8V to 3.6V
: Operating power supply current 20 mA (Max)
Standby current 150 μA (Max)
Sleep current 20 μA (Max)
: -40 °C to +85 °C
: 44-pin plastic TSOP (FPT-44P-M34)
RoHS compliant
■ ORDERING INFORMATION
Product name
Package
Shipping form
MB85R4M2TFN-G-ASE1
44-pin plastic TSOP
(FPT-44P-M34)
Tray
■ OUTLINE OF PACKAGE
Plastic TSOP, 44-pin
(FPT-44P-M34)
November 2013
1/2
Copyright©2013 FUJITSU SEMICONDUCTOR LIMITED All rights reserved
MB85R4M2T
PRELIMINARY
■ PIN ASSIGNMENT
(TOP VIEW)
A4
A3
A2
A1
A0
/CE
I/O0
I/O1
I/O2
I/O3
VDD
VSS
I/O4
I/O5
I/O6
I/O7
/WE
A17
A16
A15
A14
A13
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
A5
A6
A7
/OE
/UB
/LB
I/O15
I/O14
I/O13
I/O12
VSS
VDD
I/O11
I/O10
I/O9
I/O8
/ZZ
A8
A9
A10
A11
A12
Pin name
A0 to A17
Description
Address Input pins
I/O0 to I/O15
/CE
Data Input / Output pins
/WE
Write Enable Input pin
/OE
Output Enable Input pin
/ZZ
Sleep Mode Input pin
/LB, /UB
Chip Enable Input pin
Lower/Upper byte Control Input pins
VDD
Supply Voltage pin
VSS
Ground pin
FPT-44P-M34
■ BLOCK DIAGRAM
Address
Row Decoder
A0 to A17
/ZZ
/WE
Control circuits
/CE
FRAM Array
262,144×16
Column Decoder / Sense Amp.
/ Write Amp.
/OE
I/O0 to I/O15
/UB
/LB
NP501-00026-0v01-E
November 2013
2/2
Copyright©2013 FUJITSU SEMICONDUCTOR LIMITED All rights reserved
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