23K256-I/SN Microchip Technology, 23K256-I/SN Datasheet - Page 7
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23K256-I/SN
Manufacturer Part Number
23K256-I/SN
Description
IC SRAM 256KBIT 20MHZ 8SOIC
Manufacturer
Microchip Technology
Type
Synchronousr
Specifications of 23K256-I/SN
Memory Size
256K (32K x 8)
Package / Case
8-SOIC (3.9mm Width)
Format - Memory
RAM
Memory Type
SRAM
Speed
20MHz
Interface
SPI Serial
Voltage - Supply
2.7 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Access Time
25 ns
Maximum Clock Frequency
20 MHz
Supply Voltage (max)
3.6 V
Supply Voltage (min)
2.7 V
Maximum Operating Current
10 mA
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Number Of Ports
1
Operating Supply Voltage
3.3 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
23K256-I/SN
Manufacturer:
MCP
Quantity:
200
Company:
Part Number:
23K256-I/SN
Manufacturer:
MIROCHIP
Quantity:
1 600
Part Number:
23K256-I/SN
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
TABLE 2-1:
FIGURE 2-1:
FIGURE 2-2:
2010 Microchip Technology Inc.
CS
SCK
SI
SO
Instruction Name
SCK
SI
SO
CS
WRITE
READ
RDSR
WRSR
0
0
0
0
0
1
1
0
Instruction
0
INSTRUCTION SET
BYTE READ SEQUENCE
BYTE WRITE SEQUENCE
2
0
2
0
Instruction
3
3
0
0
Instruction Format
4
0000 0011
0000 0010
0000 0101
0000 0001
0
4
0
5
High-Impedance
5
0
1
6
High-Impedance
0
6
1
7
15 14 13 12
1
7
8
15 14 13 12
8
9 10 11
9 10 11
16-bit Address
Read data from memory array beginning at selected address
Write data to memory array beginning at selected address
Read STATUS register
Write STATUS register
16-bit Address
21 22 23 24 25 26 27 28 29 30 31
2
1
2
21 22 23 24 25 26 27 28 29 30 31
0 7
1
0
Description
6
7
5
Data Byte
6
4
5
3
Data Out
4
2
3
23X256
1
DS22100E-page 7
2
0
1
0