25LC1024-I/SN Microchip Technology, 25LC1024-I/SN Datasheet - Page 7

• Manufacturer Part Number: 25LC1024-I/SN
• Description: IC, EEPROM, 1MBIT, SERIAL, 20MHZ, SOIC-8
• Manufacturer: Microchip Technology

Specifications of 25LC1024-I/SN

• Memory Size: 1Mbit
• Ic Interface Type: SPI
• Clock Frequency: 20MHz
• Supply Voltage Range: 2.5V To 5.5V
• Memory Case Style: SOIC
• No. Of Pins: 8
• Operating Temperature Range: -40°C To +85°C
• Svhc: No SVHC (15-Dec-2010)
• Rohs Compliant: Yes
• Memory Configuration: 128K X 8
• Interface Type: Serial, SPI

BLOCK DIAGRAM
TABLE 2-1:
FIGURE 2-1:
 2003 Microchip Technology Inc.
HOLD
Instruction Name
SCK
SCK
WP
SO
SO
CS
CS
SI
SI
WRITE
I/O Control
READ
WREN
WRDI
RDSR
WRSR
RDID
DPD
Register
PE
SE
CE
Status
Logic
0
0
0
1
INSTRUCTION SET
0
V
V
instruction
2
CC
SS
READ SEQUENCE
Memory
Control
Logic
0
3
Instruction Format
0
4
0000 0011
0000 0010
0000 0110
0000 0100
0000 0101
0000 0001
0100 0010
1101 1000
1100 0111
1010 1011
1011 1001
0
5
Dec
X
high-impedance
1
6
Sense Amp.
R/W Control
Y Decoder
HV Generator
1
Page Latches
7
EEPROM
23 22 21 20
Array
8
9 10 11
Read data from memory array beginning at selected address
Write data to memory array beginning at selected address
Set the write enable latch (enable write operations)
Reset the write enable latch (disable write operations)
Read Status Register
Write Status Register
Page Erase - erase one page in memory array
Sector Erase - erase one sector in memory array
Chip Erase - erase all sectors in memory array
Release from Deep power-down and read electronic signature
Deep Power-down mode
Preliminary
24 Bit Address
25AA1024/25LC1024
29 30 31 32 33 34 35 36 37 38 39
2
1
0
Description
7
6
5
Data Out
4
3
2
DS21836A-page 7
1
0