U62256A
Switching Characteristics
Read Cycle
Read Cycle Time
Address Access Time to Data Valid
Chip Enable Access Time to Data Valid
Output Enable Access Time to Data Valid
E HIGH to Output in High-Z
G HIGH to Output in High-Z
E LOW to Output in Low-Z
G LOW to Output in Low-Z
Output Hold Time from Address Change
Symbol
Alt.
t
RC
t
AA
t
ACE
t
OE
t
HZCE
t
HZOE
t
LZCE
t
LZOE
t
OH
IEC
t
cR
t
a(A)
t
a(E)
t
a(G)
t
dis(E)
t
dis(G)
t
en(E)
t
en(G)
t
v(A)
5
0
5
Min.
70
70
70
35
25
25
5
0
5
07
Max.
Min.
100
100
100
45
35
35
10
Max.
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
Switching Characteristics
Write Cycle
Write Cycle Time
Write Pulse Width
Write Pulse Width Setup Time
Address Setup Time
Address Valid to End of Write
Chip Enable Setup Time
Pulse Width Chip Enable to End of Write
Data Setup Time
Data Hold Time
Address Hold from End of Write
W LOW to Output in High-Z
G HIGH to Output in High-Z
W HIGH to Output in Low-Z
G LOW to Output in Low-Z
Symbol
Alt.
t
WC
t
WP
t
WP
t
AS
t
AW
t
CW
t
CW
t
DS
t
DH
t
AH
t
HZWE
t
HZOE
t
LZWE
t
LZOE
IEC
t
cW
t
w(W)
t
su(W)
t
su(A)
t
su(A-WH)
t
su(E)
t
w(E)
t
su(D)
t
h(D)
t
h(A)
t
dis(W)
t
dis(G)
t
en(W)
t
en(G)
0
0
Min.
70
55
55
0
65
65
65
30
0
0
07
Max.
Min.
100
70
70
0
80
80
80
35
0
0
25
25
0
0
10
Max.
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
35
35
ns
ns
ns
ns
April 20, 2004
5
ZMD [ Zentrum Mikroelektronik Dresden AG ]
