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MR45V256AMAZAAT-L

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20
PEDR45V256A-05
MR45V256A
10/20
Write Protection
Writing protection block is shown as follows:
Protect Block size
Block Protect BIT
BP1 BP0
Protected Block Protected Address Area
0 0 None None
0 1 Upper 1/4 block 6000h – 7FFFh
1 0 Upper 1/2 block 4000h – 7FFFh
1 1 All 0000h – 7FFFh
Writing Protect
Protection status in memory
WP# SRWD mode
Writing protection status
in status register
Protected blocks
Unprotected
blocks
1 0
0 0
1 1
Software
protection
(SPM)
Status register is
unprotected when
WEL-bit is set by WREN
command. BP0 and BP1
are unprotected.
Protected Unprotected
0 1
Hardware
protection
(HPM)
Status register is
protected. BP0 and BP1
are protected.
Protected Unprotected
PEDR45V256A-05
MR45V256A
11/20
HOLD
Hold status is used for suspending serial comunication without disable the chip. SO becomes “High-Z” and SI is
“Don’t care” during the hold status. It is necessary to keep CS#=L in hold status.
HOLD
SC
K
Hold status Hold status
PEDR45V256A-05
MR45V256A
12/20
ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings
The application of stress (voltage, current, or temperature) that exceeds the absolute maximum rating may
damage the device. Therefore, do not allow actual characteristics to exceed any one parameter ratings
Pin voltages
Rating
Parameter
Symbol
Min. Max.
Unit
Pin Voltage (Input Signal)
V
IN
–0.5
V
CC
+ 0.5
V
Pin Voltage (Input/Output
Voltage)
V
INQ
, V
OUTQ
–0.5
V
CC
+ 0.5
V
Power Supply Voltage
V
CC
–0.5 4.0 V
Temperature Range
Rating
Parameter
Symbol
Min. Max.
Unit Note
Storage Temperature
(Extended Temperature Version)
Tstg –55 125 °C
Operating Temperature
(Extended Temperature Version)
Topr –40 85 °C
Others
Parameter
Symbol Rating Unit
Power Dissipation
P
D
1,000mW
Allowable Input Current
I
IN
+/- 20mA Ta=25°C
Allowable Output Current
I
OUT
+/- 20mA Ta=25°C
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20

MR45V256AMAZAAT-L

Mfr. #:
Buy MR45V256AMAZAAT-L
Manufacturer:
Description:
F-RAM 256K; SPI; 3.3V FeRAM 15MHz
Lifecycle:
New from this manufacturer.
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