25LC080-I/SN Microchip Technology, 25LC080-I/SN Datasheet - Page 10

IC EEPROM 8KBIT 2MHZ 8SOIC

25LC080-I/SN

Manufacturer Part Number
25LC080-I/SN
Description
IC EEPROM 8KBIT 2MHZ 8SOIC
Manufacturer
Microchip Technology
Datasheets

Specifications of 25LC080-I/SN

Memory Size
8K (1K x 8)
Format - Memory
EEPROMs - Serial
Memory Type
EEPROM
Speed
2MHz
Interface
SPI, 3-Wire Serial
Voltage - Supply
2.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Package / Case
8-SOIC (0.154", 3.90mm Width)
Memory Configuration
1K X 8 / 512 X 16
Ic Interface Type
SPI
Clock Frequency
2MHz
Supply Voltage Range
2.5V To 5.5V
Memory Case Style
SOIC
No. Of Pins
8
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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Part Number
Manufacturer
Quantity
Price
Part Number:
25LC080-I/SN
Manufacturer:
MCP
Quantity:
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Part Number:
25LC080-I/SN
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
25AA080/25LC080/25C080
3.5
The Read Status Register (RDSR) instruction provides
access to the Status register. The Status register may
be read at any time, even during a write cycle. The
Status register is formatted as follows:
The Write-In-Process (WIP) bit indicates whether the
25XX080 is busy with a write operation. When set to a
in progress. This bit is read-only.
FIGURE 3-6:
DS21230D-page 10
1
WPEN
SCK
’, a write is in progress, when set to a ‘
CS
SO
7
SI
Read Status Register (RDSR)
X
6
0
5
X
0
4
X
0
READ STATUS REGISTER TIMING SEQUENCE
1
High-impedance
BP1
3
0
instruction
2
BP0
0
2
3
0
WEL
0
4
1
’, no write is
1
5
WIP
0
0
6
1
7
The Write Enable Latch (WEL) bit indicates the status
of the write enable latch. When set to a ‘
allows writes to the array, when set to a ‘
prohibits writes to the array. The state of this bit can
always be updated via the WREN or WRDI commands
regardless of the state of write protection on the Status
register. This bit is read only.
The Block Protection (BP0 and BP1) bits indicate
which blocks are currently write-protected. These bits
are set by the user issuing the WRSR instruction. These
bits are nonvolatile.
See Figure 3-6 for the RDSR timing sequence.
7
8
6
9
data from Status register
10
5
11
4
 2004 Microchip Technology Inc.
12
3
13
2
14
1
15
0
1
0
’, the latch
’, the latch

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