FLE21 White Electronic Designs Corporation, FLE21 Datasheet - Page 7

• Manufacturer Part Number: FLE21
• Description: Density = 8MB-64MB ;; Memory Device = Amd 29F032B ;; Organization = X16/x8 ;; Speed (ns) = 150,200 ;; Volt = 5
• Manufacturer: White Electronic Designs Corporation

PCMCIA Flash Memory Card
FLE Series
August 2000 Rev. 4 - ECO #13129
Write Timing Parameters
Note: AC timing diagrams and characteristics are guaranteed to meet or exceed PCMCIA 2.1 specifications.
Write Timing Diagram
Notes:
1. Signal may be high or low in this area.
2. When the data I/O pins are in the output state, no signals shall be applied to the data pins
(D15 - D0) by the host system.
A [ 2 5 :: 0 ], / R E G
D [ 1 5 ::0 ] ( D o u t )
D [ 1 5 : :0 ] ( D in )
/ C E 1 , / C E 2
/ O E
/ W E
SYM
(PCMCIA)
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
C
w
su
su
su
su
h
rec
dis
dis
en
en
su
h
su
h
(D)
(OE-WE)
(CE)
W
(WE)
(A)
(A-WEH)
(CE-WEH)
(D-WEH)
(WE)
(OE)
(OE-WE)
(CE)
(WE)
(WE)
(OE)
N O T E 1
Parameter
Write Cycle Time
Write Pulse Width
Address Setup Time
Address Setup Time for WE#
Card Enable Setup Time for WE#
Data Setup Time for WE#
Data Hold Time
Write Recover Time
Output Disable Time from WE#
Output Disable Time from OE#
Output Enable Time from WE#
Output Enable Time from OE#
Output Enable Setup from WE#
Output Enable Hold from WE#
Card Enable Setup Time from OE#
Card Enable Hold Time
t s u ( O E - W E )
N O T E 2
N O T E 2
ts u ( A )
t d is ( O E )
t s u ( C E )
t d is ( W E )
ts u ( A - W E H )
ts u ( C E - W E H )
7
t w ( W E )
t c ( W )
t s u ( D - W E H )
D A T A I N P U T
Min
150ns
150
100
100
80
20
50
20
20
10
10
20
5
5
0
Max
75
75
t h ( O E - W E )
th ( D )
Unit
t e n ( W E )
t h ( C E )
t r e c ( W E )
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
t e n ( O E )
PC Card Products
N O T E 1