EtronTech
Read Cycle
EM562081
AC Characteristics and Operating Conditions (Ta = -40° C to 85° C, V DD = 2.7V to 3.6V)
EM562081
Symbol
Parameter
-85
-70
Unit
−
70
70
70
35
−
−
25
25
−
ns
Min Max Min Max
tRC
tAA
tCO1
tCO2
tOE
tLZ
tOLZ
tHZ
tOHZ
tOH
Write Cycle
EM562081
Symbol
Parameter
-85
-70
Unit
−
−
−
−
−
30
−
−
−
ns
Read cycle time
Address access time
Chip Enable (CE1#) Access Time
Chip Enable (CE2) Access Time
Output enable access time
Chip Enable Low to Output in Low-Z
Output enable Low to Output in Low-Z
Chip Enable High to Output in High-Z
Output Enable High to Output in High-Z
Output Data Hold Time
85
−
−
−
−
10
3
−
−
10
−
85
85
85
45
−
−
35
35
−
70
−
−
−
−
10
3
−
−
10
Min Max Min Max
tWC
tWP
tCW
tAS
tWR
tWHZ
tOW
tDS
tDH
Write cycle time
Write pulse width
Chip Enable to end of write
Address setup time
Write Recovery time
WE# Low to Output in High-Z
WE# High to Output in Low-Z
Data Setup Time
Data Hold Time
85
55
70
0
0
−
5
35
0
−
−
−
−
−
35
−
−
−
70
55
60
0
0
−
5
30
0
AC Test Condition
•
Output load: 50pF + one TTL gate
•
Input pulse level: 0.4V, 2.4V
•
Timing measurements: 0.5 x V
DD
•
tR, tF: 5ns
Preliminary
5
Rev 1.0
July 2001
ETRON [ ETRON TECHNOLOGY, INC. ]
