23a256 Microchip Technology Inc., 23a256 Datasheet - Page 4

• Manufacturer Part Number: 23a256
• Description: 256k Spi Bus Low-power Serial Sram
• Manufacturer: Microchip Technology Inc.

23A256/23K256
FIGURE 1-1:
FIGURE 1-2:
FIGURE 1-3:
DS22100C-page 4
SCK
SO
CS
SCK
SI
SO
CS
HOLD
SI
SCK
CS
SO
SI
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
Preliminary
High-Impedance
Don’t Care
13
8
15
17
LSB in
16
3
n
© 2009 Microchip Technology Inc.
n
5
LSB out
11
4
14
3
n - 1
n - 1