25AA512
TABLE 1-3:
AC Waveform:
VLO = 0.2V
AC TEST CONDITIONS
—
VHI = VCC - 0.2V
(Note 1)
(Note 2)
—
VHI = 4.0V
CL = 30 pF
Timing Measurement Reference Level
Input
0.5 VCC
0.5 VCC
Output
Note 1: For VCC 4.0V
2: For VCC > 4.0V
FIGURE 1-1: HOLD TIMING
CS
16
17
16
17
16
17
18
16
17
SCK
SO
18
n
19
19
High-Impedance
Don’t Care
High-Impedance
Don’t Care
n + 1
n
n - 1
n - 2
n - 2
5
n + 1
n
n
n - 1
SI
HOLD
FIGURE 1-2: SERIAL INPUT TIMING
4
CS
12
11
2
7
3
8
Mode 1,1
Mode 0,0
SCK
SI
5
6
MSB in
LSB in
High-Impedance
SO
2010 Microchip Technology Inc.
DS22021F-page 5