EtronTech
EM584161
AC Characteristics and Operating Conditions(Ta = -40 C to 85 C, V
= 1.65V to 1.95V)
°
°
DD
Read Cycle
EM584161
-85 -70
Min Max Min Max
Symbol
Parameter
Unit
t
Read cycle time
85
−
70
−
−
85
85
85
45
45
−
−
70
70
70
35
35
−
RC
t
Address access time
AA
t
Chip Enable (CE1#) Access Time
Chip Enable (CE2) Access Time
Output enable access time
−
−
CO1
t
−
−
CO2
t
−
−
OE
t
Data Byte Control Access Time
−
−
BA
t
Chip Enable Low to Output in Low-Z
Output enable Low to Output in Low-Z
Data Byte Control Low to Output in Low-Z
Chip Enable High to Output in High-Z
Output Enable High to Output in High-Z
Data Byte Control High to Output in High-Z
Output Data Hold Time
10
3
10
3
ns
LZ
t
−
−
OLZ
t
5
5
−
−
BLZ
t
35
35
35
−
25
25
25
−
−
−
HZ
t
−
−
OHZ
t
−
−
BHZ
t
10
10
OH
Write Cycle
EM584161
-85 -70
Min Max Min Max
Symbol
Parameter
Unit
t
Write cycle time
85
55
70
70
0
70
55
60
60
0
−
−
−
−
WC
t
Write pulse width
WP
t
Chip Enable to end of write
Data Byte Control to end of Write
Address setup time
−
−
CW
t
−
−
BW
t
−
−
AS
ns
t
Write Recovery time
WE# Low to Output in High-Z
WE# High to Output in Low-Z
Data Setup Time
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 : 30pF + one TTL gate
Input pulse level : 0.2V, VDD-0.2V
Timing measurements : 0.5 x VDD
tR, tF : 5ns
•
•
•
•
5
Rev 2.0
Nov. 2003
ETRON [ ETRON TECHNOLOGY, INC. ]
