Et r on Tech
EM566169BC
AC Characteristics and Operating Conditions
(Ta = -25 C to 85 C, V = 2.7V to 3.3V)
°
°
CC
-60
-65
-70
-85
Symbol
Parameter
Unit
Min Max Min Max Min Max Min Max
Read Cycle
t
Read Cycle Time
60 15000 65 15000 70 15000 85 15000 ns
RC
t
Address Access Time
60
60
60
45
60
65
65
65
45
65
70
70
70
45
70
85
85
85
45
85
ns
ns
ns
ns
ns
−
−
−
−
−
−
−
−
−
−
AA
t
Chip Enable (CE1#) Access Time
Chip Enable (CE2) Access Time
Output Enable access time
Data Byte Control Access Time
CO1
t
CO2
t
OE
t
BA
t
Chip Enable Low to Output in Low-
Z
LZ
10
5
10
5
10
5
10
5
ns
ns
ns
ns
ns
−
−
−
−
t
Output enable Low to Output in
Low-Z
OLZ
t
Data Byte Control Low to Output in
Low-Z
BLZ
10
10
10
−
10
−
−
−
t
Chip Enable High to Output in
High-Z
HZ
20
20
20
25
25
25
25
25
35
35
t
Output Enable High to Output in
High-Z
OHZ
−
−
t
Data Byte Control High to Output
in High-Z
BHZ
25
35
ns
ns
−
−
t
Output Data Hold Time
10
10
10
10
−
−
OH
t
Normal to Page Read Cycle Time
Page Cycle Time
60 15000 65 15000 70 15000 85 15000 ns
PM
t
18
20
25
30
ns
ns
−
PC
t
Page Mode Address Access Time
18
20
25
30
−
PA
Write Cycle
t
Write Cycle Time
60
45
50
50
50
0
65
50
55
55
55
0
70
50
60
60
60
0
85
60
70
70
70
0
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
−
−
−
−
WC
t
Write Pulse Width
WP
t
Address Valid to End of Write
Chip Enable to End of Write
Data Byte Control to End of Write
Address Setup Ttime
−
−
AW
t
−
−
CW
t
−
−
BW
t
−
−
AS
t
Write Recovery Time
WE# Low to Output in High-Z
WE# High to Output in Low-Z
Data to Write Overlap
Data Hold Time
0
0
0
0
−
−
WR
t
20
20
20
−
30
−
−
−
WHZ
t
5
30
0
5
30
0
5
5
OW
t
30
0
35
0
−
−
DW
t
−
−
DH
6
Rev 0.6
Apr. 2004
ETRON [ ETRON TECHNOLOGY, INC. ]
