NX26F640C データシートの表示（PDF） - NexFlash -> Winbond Electronics

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NX26F640C

64M-BIT SERIAL FLASH MEMORY WITH 2-PIN NXS2 INTERFACE

NexFlash -> Winbond Electronics 

NX26F640C

SCK

SIO

DA[7:0]

Device Address

C[7:0]

Command

S[15:0]

Sector Address

0 0 0 0 0 DA2 DA1 DA0 C7 C6 C5 C4 C3 C2 C1 C0 0 0 S13 S12 S11 S10 S9 S8 S7 S6 S5 S4 S3 S2 S1 S0

F6H or 98H

SCK

SIO

16 Clocks

1st Byte of Data

2nd Byte of Data

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4 D3 D2 D1 D0

SCK

SIO

n-Bytes of Data

Last Byte of Data

8 Clocks

D7 D6 D5 D4 D3 D2 D1 D0 0 0 0 0 0 0 0 0

tWP Program Time

Figure 10. Write to Sector using SRAM Command Sequence

SCK

SIO

DA[7:0]

Device Address

C[7:0]

Command

S[15:0]

Sector Address

0 0 0 0 0 DA2 DA1 DA0 C7 C6 C5 C4 C3 C2 C1 C0 0 0 S13 S12 S11 S10 S9 S8 S7 S6 S5 S4 S3 S2 S1 S0

5CH or 5DH

SCK

SIO

32 Clocks

tXS Transfer Time

0 0 0 00 0 0 000 000 0 00

SIO is driven by 26F640

15 14 13

2 1 0 15 14 13 *

Status Register

* Status Register Repeats Every 16 Clocks

Figure 11. Transfer Sector to SRAM Command Sequence

14

NexFlash Technologies, Inc.

PRELIMINARY NXSF020D-0902

09/05/02 ©

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