23A256-I/SN Microchip Technology, 23A256-I/SN Datasheet - Page 14

• Manufacturer Part Number: 23A256-I/SN
• Description: IC SRAM 256KBIT 20MHZ 8SOIC
• Manufacturer: Microchip Technology
• Type: Synchronousr

Specifications of 23A256-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: 1.7 V ~ 1.95 V
• Operating Temperature: -40°C ~ 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: SMD/SMT
• 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

23X256
4.0
4.1
DS22100E-page 14
PACKAGING INFORMATION
Package Marking Information
8-Lead SOIC (3.90 mm)
8-Lead PDIP
XXXXXXXT
XXXXYYWW
XXXXXXXX
T/XXXNNN
8-Lead TSSOP
Legend: XX...X
Note:
Note:
YYWW
NNN
TYWW
XXXX
NNN
For very small packages with no room for the Pb-free JEDEC designator
In the event the full Microchip part number cannot be marked on one line, it will
be carried over to the next line, thus limiting the number of available
characters for customer-specific information.
e
3
T
Y
YY
WW
NNN
e
3
, the marking will only appear on the outer carton or reel label.
Part number or part number code
Temperature (I, E)
Year code (last digit of calendar year)
Year code (last 2 digits of calendar year)
Week code (week of January 1 is week ‘01’)
Alphanumeric traceability code (2 characters for small packages)
Pb-free JEDEC designator for Matte Tin (Sn)
23K256I
SN
Example:
Example:
23K256
I/P
e
e
3
Example:
0528
3
1L7
0528
1L7
K256
I837
1L7
 2010 Microchip Technology Inc.