25C040-/P Microchip Technology, Inc., 25C040-/P Datasheet - Page 4

• Manufacturer Part Number: 25C040-/P
• Description: The 25AA040 is a 4K Bit Serial Electrically Erasable Prom With Memory Accessed Via a Simple Serial Peripheral Interface (SPI™) Compatible Serial Bus
• Manufacturer: Microchip Technology, Inc.

25AA040/25LC040/25C040
FIGURE 1-1:
FIGURE 1-2:
FIGURE 1-3:
DS21204C-page 4
SCK
SO
CS
SI
SCK
HOLD
SO
CS
SI
SCK
SO
CS
SI
Mode 1,1
Mode 0,0
HOLD TIMING
SERIAL INPUT TIMING
SERIAL OUTPUT TIMING
2
n+2
n+2
5
MSB out
MSB in
9
6
13
10
n+1
16
n+1
high impedance
don’t care
n
17
7
18
n
high impedance
don’t care
14
8
16
19
LSB in
17
3
n
n
5
2001 Microchip Technology Inc.
ISB out
11
4
15
3
n-1
12
n-1
Mode 1,1
Mode 0,0