25AA160D-I/P Microchip Technology, 25AA160D-I/P Datasheet - Page 11
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25AA160D-I/P
Manufacturer Part Number
25AA160D-I/P
Description
IC SRL EEPROM 2KX8 1.8V 8-PDIP
Manufacturer
Microchip Technology
Specifications of 25AA160D-I/P
Memory Size
16K (2K x 8)
Package / Case
8-DIP (0.300", 7.62mm)
Format - Memory
EEPROMs - Serial
Memory Type
EEPROM
Speed
3MHZ, 5MHZ, 10MHZ
Interface
SPI, 3-Wire Serial
Voltage - Supply
1.8 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Organization
2 K x 8
Interface Type
SPI
Maximum Clock Frequency
3 MHz
Access Time
160 ns
Supply Voltage (max)
5.5 V
Supply Voltage (min)
1.8 V
Maximum Operating Current
5 mA
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
Minimum Operating Temperature
- 40 C
Operating Supply Voltage
2.5 V, 3.3 V, 5 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
FIGURE 3-7:
3.7
The following protection has been implemented to
prevent inadvertent writes to the array:
• The write enable latch is reset on power-up
• A WRITE ENABLE instruction must be issued to
• After a byte write, page write, or Status register
• CS must be set high after the proper number of
• Access to the array during an internal write cycle
TABLE 3-3:
2004 Microchip Technology Inc.
SCK
set the write enable latch
write, the write enable latch is reset
clock cycles to start an internal write cycle
is ignored and programming is continued
CS
SO
WPEN
SI
X
0
1
X
Data Protection
0
0
WRITE-PROTECT FUNCTIONALITY MATRIX
High
Low
WP
X
X
0
WRITE STATUS REGISTER TIMING SEQUENCE
1
0
2
instruction
WEL
0
0
1
1
1
3
0
4
Protected Blocks
0
5
Protected
Protected
Protected
Protected
25AA160/25LC160/25C160
High-impedance
0
6
1
7
3.8
The 25XX160 powers on in the following state:
• The device is in low power Standby mode (CS = 1)
• The write enable latch is reset
• SO is in high-impedance state
• A low level on CS is required to enter active state
7
8
Unprotected Blocks
6
9
Power On State
data to Status register
Protected
Writable
Writable
Writable
10
5
11
4
12
3
13
2
Status Register
14
DS21231D-page 11
1
Protected
Protected
Writable
Writable
15
0