23K256-I/SN Microchip Technology, 23K256-I/SN Datasheet - Page 5

• 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

FIGURE 1-1:
FIGURE 1-2:
FIGURE 1-3:
 2010 Microchip Technology Inc.
SO
CS
SCK
SI
CS
SI
SO
SCK
CS
SCK
SO
SI
HOLD
HOLD TIMING
SERIAL INPUT TIMING
SERIAL OUTPUT TIMING
2
n + 2
n + 2
5
MSB out
MSB in
9
6
12
10
n + 1
15
n + 1
High-Impedance
Don’t Care
n
16
7
17
n
High-Impedance
Don’t Care
13
8
15
17
LSB in
16
3
n
n
5
LSB out
11
4
14
3
n - 1
23X256
DS22100E-page 5
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