Datasheet

ManualsBrandsMICROCHIP TECHNOLOGY ManualsIntegrated Circuits (ICs)SOIC 8 64 kBit 8 K x 8

1

2

3

4

5

6

7

8

9

© 2008 Microchip Technology Inc. DS21223H-page 5

25AA640/25LC640

TABLE 1-3: AC TEST CONDITIONS FIGURE 1-4: AC TEST CIRCUIT

AC Waveform:

V

LO = 0.2V

V

HI = VCC – 0.2V (Note 1)

VHI = 4.0V (Note 2)

Timing Measurement Reference Level

Input 0.5 V

CC

Output 0.5 VCC

Note 1: For VCC ≤ 4.0V

2: For V

CC > 4.0V

VCC

SO

100 pF

1.8 kΩ

2.25 kΩ