WSF41632-22XX Ver la hoja de datos (PDF) - White Electronic Designs Corporation
Número de pieza
componentes Descripción
Lista de partido
WSF41632-22XX Datasheet PDF : 14 Pages
| |||
White Electronic Designs
WSF41632-22XX
PRELIMINARY
FLASH AC CHARACTERISTICS – WRITE/ERASE/PROGRAM OPERATIONS, FWE# CONTROLLED
VCC = 5.0V, -55°C ≤ TA ≤ +125°C
Parameter
Write Cycle Time
Chip Select Setup Time
Write Enable Pulse Width
Address Setup Time
Data Setup Time
Data Hold Time
Address Hold Time
Write Enable Pulse Width High
Duration of Byte Programming Operation (1)
Chip and Sector Erase Time (2)
Read Recovery Time Before Write
VCC Set-up Time
Chip Programming Time
Output Enable Setup Time
Output Enable Hold Time (4)
Chip Erase Time (3)
Symbol
-120
Unit
Min
Max
tAVAV
tWC
120
ns
tELWL
tCS
0
ns
tWLWH
tWP
50
ns
tAVWL
tAS
0
ns
tDVWH
tDS
50
ns
tWHDX
tDH
0
ns
tWLAX
tAH
50
ns
tWHWL
tWPH
20
ns
tWHWH1
300
µs
tWHWH2
15
sec
tGHWL
0
µs
tVCS
50
µs
11
sec
tOES
0
ns
tOEH
10
ns
64
sec
NOTES:
1. Typical value for tWHWH1 is 7ns.
2. Typical value for tWHWH2 is 1sec.
3. Typical value for Chip Erase Time is 8sec.
4. For Toggle and Data# Polling.
FLASH AC CHARACTERISTICS – READ ONLY OPERATIONS
VCC = 5.0V, -55°C ≤ TA ≤ +125°C
Parameter
Symbol
-120
Unit
Min
Max
Read Cycle Time
tAVAV
tRC
120
ns
Address Access Time
tAVQV
tACC
120
ns
Chip Select Access Time
tELQV
tCE
120
ns
OE# to Output Valid
tGLQV
tOE
50
ns
Chip Select to Output High Z (1)
tEHQZ
tDF
30
ns
OE# High to Output High Z (1)
tGHQZ
tDF
30
ns
Output Hold from Address, FCS# or OE# Change, whichever is first
tAXQX
tOH
0
ns
1. Guaranteed by design, not tested.
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
October, 2002
Rev. 4
6
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
Share Link: 