25lc640 Microchip Technology Inc., 25lc640 Datasheet - Page 5

• Manufacturer Part Number: 25lc640
• Description: 64k Spi Bus Serial Eeprom
• Manufacturer: Microchip Technology Inc.

TABLE 1-3:
© 2008 Microchip Technology Inc.
AC Waveform:
Timing Measurement Reference Level
Note 1: For V
V
V
V
Input
Output
LO
HI
HI
= V
= 4.0V
2: For V
= 0.2V
CC
– 0.2V
CC
CC
AC TEST CONDITIONS
≤ 4.0V
> 4.0V
(Note 1)
(Note 2)
0.5 V
0.5 V
CC
CC
FIGURE 1-4:
25AA640/25LC640
SO
V
CC
AC TEST CIRCUIT
1.8 kΩ
2.25 kΩ
100 pF
DS21223H-page 5