HANBit
u
Erase/Program Operations
PARAMETE
R
SYMBOLS
t
WC
t
AS
t
AH
t
DS
t
DH
t
OES
t
GHWL
t
CS
t
CH
t
WP
t
WPH
t
WHWH1
t
WHWH2
t
VCS
Notes
:
1. This does not include the preprogramming time
2. This timing is only for Sector Protect operations
Write Cycle Time
Address Setup Time
Address Hold Time
Data Setup Time
Data Hold Time
Output Enable Setup Time
Read Recover Time Before Write
/CE Setup Time
/CE Hold Time
Write Pulse Width
Write Pulse Width High
Byte Programming Operation
Sector Erase Operation (Note1)
Vcc set up time
30
35
20
7
1
50
40
25
45
30
0
0
0
0
0
45
55
70
0
45
45
90
DESCRIPTION
MIN
-55
TYP
MIN
-70
MAX
MIN
-90
HMF51232M4D
-120
MAX
MIN
MAX
UNIT
120
ns
ns
50
50
ns
ns
ns
ns
ns
ns
ns
50
ns
ns
µs
sec
µs
u
Erase/Program Operations
Alternate /CE Controlled Writes
PARAMETE
R
SYMBOLS
t
WC
t
AS
t
AH
t
DS
t
DH
t
GHEL
t
WS
t
WH
Write Cycle Time
Address Setup Time
Address Hold Time
Data Setup Time
Data Hold Time
Read Recover Time Before Write
/WE Setup Time
/WE Hold Time
40
25
ns
ns
45
30
0
0
0
0
55
ns
70
0
45
45
50
50
90
120
ns
ns
ns
ns
ns
ns
ns
ns
HANBit Electronics co., Ltd.
-55
DESCRIPTION
MIN
TYP
MIN
-70
MAX
MIN
-90
MAX
MIN
-120
MAX
UNIT
URL:
www.hbe.co.kr
REV.02(August,2002)
6
HANBIT [ HANBIT ELECTRONICS CO.,LTD ]
