W29C022 Datasheet, PDF (12/20 Pages) Winbond – 256K x 8 CMOS FLASH MEMORY

W29C022
AC Characteristics, continued
Read Cycle Timing Parameters
(VSS = 0V, TA = 0 to 70° C)
PARAMETER
Read Cycle Time
Chip Enable Access Time
Address Access Time
Output Enable Access Time
#CE High to High-Z Output
#OE High to High-Z Output
Output Hold from Address Change
SYMBOL
TRC
TCE
TAA
TOE
TCHZ
TOHZ
TOH
W29C022
MIN.
MAX.
120
-
-
120
-
120
-
50
-
30
-
30
0
-
UNIT
nS
nS
nS
nS
nS
nS
nS
Byte/Page-write Cycle Timing Parameters
PARAMETER
Write Cycle (Erase and Program)
Address Setup Time
Address Hold Time
#WE and #CE Setup Time
#WE and #CE Hold Time
#OE High Setup Time
#OE High Hold Time
#CE Pulse Width
#WE Pulse Width
#WE High Width
Data Setup Time
Data Hold Time
Byte Load Cycle Time
SYMBOL
TWC
TAS
TAH
TCS
TCH
TOES
TOEH
TCP
TWP
TWPH
TDS
TDH
TBLC
MIN.
-
0
50
0
0
0
0
70
70
100
50
0
-
TYP.
-
-
-
-
-
-
-
-
-
-
-
-
-
Note: All AC timing signals observe the following guideline for determining setup and hold times:
Reference level is VIH for high-level signal and VIL for low-level signal.
MAX.
10
-
-
-
-
-
-
-
-
-
-
-
150
UNIT
mS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
µS
- 12 -