Rainbow Electronics W29EE512 User Manual
Page 11
W29EE512
Publication Release Date: April 2000
- 11 - Revision A6
Read Cycle Timing Parameters
(V
CC
= 5.0V
±
10
%
, V
CC
= 5.0
±
5
%
for 70 nS, V
SS
= 0V, T
A
= 0 to 70
°
C)
PARAMETER
SYM. W29EE512-70 W29EE512-90 W29EE512-12 UNIT
MIN. MAX. MIN. MAX. MIN. MAX.
Read Cycle Time
T
RC
70
-
90
-
120
-
nS
Chip Enable Access Time
T
CE
-
70
-
90
-
120
nS
Address Access Time
T
AA
-
70
-
90
-
120
nS
Output Enable Access Time
T
OE
-
35
-
40
-
50
nS
CE High to High-Z Output
T
CHZ
-
25
-
25
-
30
nS
OE High to High-Z Output
T
OHZ
-
25
-
25
-
30
nS
Output Hold from Address Change
T
OH
0
-
0
-
0
-
nS
Byte/Page-write Cycle Timing Parameters
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNIT
Write Cycle (Erase and Program)
T
WC
-
-
10
mS
Address Setup Time
T
AS
0
-
-
nS
Address Hold Time
T
AH
50
-
-
nS
WE and CE Setup Time
T
CS
0
-
-
nS
WE and CE Hold Time
T
CH
0
-
-
nS
OE High Setup Time
T
OES
0
-
-
nS
OE High Hold Time
T
OEH
0
-
-
nS
CE Pulse Width
T
CP
90
-
-
nS
WE Pulse Width
T
WP
90
-
-
nS
WE High Width
T
WPH
100
-
-
nS
Data Setup Time
T
DS
35
-
-
nS
Data Hold Time
T
DH
0
-
-
nS
Byte Load Cycle Time
T
BLC
-
-
200
µ
S
Notes: All AC timing signals observe the following guidelines for determining setup and hold times:
(1) High level signal's reference level is V
IH
.
(2) Low level signal's reference level is V
IL
.