EtronTech
EM562081
AC Characteristics and Operating Conditions (Ta = -40
°C to 85
°C, V
= 2.7V to 3.6V)
DD
Read Cycle
EM562081
-85 -70
Min Max Min Max
Symbol
Parameter
Unit
t
Read cycle time
85
-
-
70
-
-
RC
t
Address access time
85
85
85
45
-
70
70
70
35
-
AA
t
Chip Enable (CE1#) Access Time
Chip Enable (CE2) Access Time
Output enable access time
-
-
CO1
t
-
-
CO2
t
-
-
OE
ns
t
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
10
3
-
10
3
-
LZ
t
-
-
OLZ
t
35
35
-
25
25
-
HZ
t
-
-
OHZ
t
10
10
OH
Write Cycle
EM562081
-85 -70
Min Max Min Max
Symbol
Parameter
Unit
t
Write cycle time
85
55
70
0
-
-
70
55
60
0
-
-
WC
t
Write pulse width
WP
t
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
-
-
CW
t
-
-
AS
ns
t
0
-
0
-
WR
t
-
35
-
-
30
-
WHZ
t
5
5
OW
t
35
0
-
30
0
-
DS
t
Data Hold Time
-
-
DH
AC Test Condition
Output load: 50pF + one TTL gate
Input pulse level: 0.4V, 2.4V
Timing measurements: 0.5 x VDD
tR, tF: 5ns
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Preliminary
5
Rev 1.0
July 2001
ETRON [ ETRON TECHNOLOGY, INC. ]
