23A640-I/P Microchip Technology, 23A640-I/P Datasheet - Page 11

IC SRAM 64KBIT 20MHZ 8DIP

23A640-I/P

Manufacturer Part Number
23A640-I/P
Description
IC SRAM 64KBIT 20MHZ 8DIP
Manufacturer
Microchip Technology
Type
Synchronousr
Datasheet

Specifications of 23A640-I/P

Memory Size
64K (8K x 8)
Format - Memory
RAM
Memory Type
SRAM
Speed
20MHz
Interface
SPI Serial
Voltage - Supply
1.7 V ~ 1.95 V
Operating Temperature
-40°C ~ 85°C
Package / Case
8-DIP (0.300", 7.62mm)
Memory Configuration
8K X 8
Clock Frequency
16MHz
Supply Voltage Range
1.7V To 1.95V
Memory Case Style
DIP
No. Of Pins
8
Operating Temperature Range
-40°C To +85°C
Access Time
32 ns
Maximum Clock Frequency
16 MHz
Supply Voltage (max)
1.95 V
Supply Voltage (min)
1.5 V
Maximum Operating Current
10 mA
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
Through Hole
Number Of Ports
1
Operating Supply Voltage
1.8 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
Part Number:
23A640-I/P
Manufacturer:
MCP
Quantity:
160
Part Number:
23A640-I/P
Manufacturer:
MICROCHIP
Quantity:
12 000
2.6
The Write Status Register instruction (WRSR) allows the
user to write to the bits in the STATUS register as
shown in Table 2-2. This allows for setting of the Device
operating mode. Several of the bits in the STATUS
register must be cleared to ‘0’. See Figure 2-8 for the
WRSR timing sequence.
FIGURE 2-8:
2.7
The 23X640 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
© 2009 Microchip Technology Inc.
SCK
(CS = 1)
enter active state
SO
CS
SI
Write Status Register Instruction
(WRSR)
Power-On State
0
0
WRITE STATUS REGISTER TIMING SEQUENCE (WRSR)
0
1
0
Instruction
2
0
3
0
4
0
5
High-Impedance
Preliminary
0
6
1
7
7
8
6
9
Data to STATUS Register
10
5
23A640/23K640
11
4
12
3
13
2
14
1
DS22126B-page 11
15
0

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