4

Integrated Silicon Solution, Inc. — 1-800-379-4774

REV. A

11/01/01

IS23SC4418

IS23SC4428

VCC

Bit1

Bit2

Bit31

Bit32

32

2

1

RST

CLK

I/O

Figure 3. Reset and Answer to Reset Timing Diagram

Figure 4. General Timing for Data Input, Data Output and PSC Verification

Data Input

Data Output

or PSC Verification

RST

CLK

Bit0

01

23

Bit1

Bit23

Bit0

01

23

Bit1

Bit2

I/O