23K256-I/SN Microchip Technology, 23K256-I/SN Datasheet - Page 12
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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
23X256
2.6
The Write Status Register instruction (WRSR) allows the
user to write to the bits in the STATUS register as
shown in
operating mode. Several of the bits in the STATUS
register must be cleared to ‘0’. See
WRSR timing sequence.
FIGURE 2-8:
2.7
The 23X256 powers on in the following state:
• The device is in low-power Standby mode
• A high-to-low-level transition on CS is required to
DS22100E-page 12
(CS = 1)
enter active state
CS
SI
SO
SCK
Write Status Register Instruction
(WRSR)
Power-On State
Table
2-2. This allows for setting of the Device
0
0
WRITE STATUS REGISTER TIMING SEQUENCE (WRSR)
0
1
0
Instruction
2
0
3
Figure 2-8
0
4
0
5
for the
High-Impedance
0
6
1
7
7
8
6
9
Data to STATUS Register
10
5
11
4
2010 Microchip Technology Inc.
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