PCMCIA Flash Memory Card
FLV Series
White Electronic Designs
AC CHARACTERISTICS - READ TIMING PARAMETERS
150ns
Max
250ns
SYMBOL (PCMCIA)
tC(R)
Parameter
Min
Min
Max
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Read Cycle Time
150
250
tA(A)
Address Access Time
150
150
75
20
0
250
250
125
30
tA(CE)
Card Enable Access Time
Output Enable Access Time
Address Setup Time
tA(OE)
tSU(A)
tSU(CE)
tH(A)
Card Enable Setup Time
Address Hold Time
0
20
20
0
30
tH(CE)
Card Enable Hold Time
Output Hold from Address Change
Output Disable Time from CE
Output Disable Time from OE
Output Enable Time from CE
Output Enable Time from OE
30
tV(A)
0
tDIS(CE)
tDIS(OE)
tEN(CE)
tEN(OE)
tREC(RSR)
75
75
100
100
5
5
5
5
Power Down recovery to Output
Delayꢀ VCC = 5V
500
600
Note: AC timing diagrams and characteristics are guaranteed to meet or exceed PCMCIA 2ꢀ1 specificationsꢀ
READ TIMING DIAGRAM
tC(R)
tH(A)
tA(A)
A[25::0], REG
tV(A)
tA(CE)
tSU(CE)
CE1, CE2
NOTE 1
NOTE 1
tH(CE)
tA(OE)
tSU(A)
tDIS(CE)
OE
tEN(OE)
tDIS(OE)
D[15::0]
DATA VALID
Note: Signal may be high or low in this areaꢀ
White Electronic Designs Corporation Marlborough, MA (508) 485-4000
6
WEDC [ WHITE ELECTRONIC DESIGNS CORPORATION ]
