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

AC ELECTRICAL CHARACTERISTICS (PRELIMINARY)

Symbol

tCYC

tWH

tWL

tRI

tFI

tSU

tIH

tWP

tXS

tCE

tRB

tDIS

tOH

tRESET

Description

SCK Serial Clock Period

SCK Serial Clock High or Low Time

SCK Serial Clock Rise or Fall Time (1)

Data Input Setup Time to SCK

Data Input Hold Time from SCK

Erase/Write Program Time (3)

(see Write to Sector Command)

Transfer Sector

(see Transfer Command)

CE Select and Deselect Time

READY / BUSY Valid Time

Data Output Disable Time

Data Output Hold Time After SCK

SCK Low Duration for Valid Reset

Configuration Register CF8=0 (default)

Configuration Register CF8=1

16 MHz

Min Typ Max

77 — —

tCYC/2 — —

—— 5

20 — —

0 ——

— 10 15

100 150 520

160 — —

160 — —

— — 160

0 ——

1.5 — 5

5 — 10

Notes:

1. Test points are 10% and 90% points for rise/fall times. All others timings are measured at 50% point.

2. With 30 pF (16 MHz) load SO to GND.

3. Maximum program time for 99% of sectors, <1% may require 4x this value.

Unit

ns

ns

ns

ns

ns

ms

µs

ns

ns

ns

ns

µs

µs

20

NexFlash Technologies, Inc.

PRELIMINARY NXSF020D-0902

09/05/02 ©

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