CAT28F001 CATALYST [Catalyst Semiconductor], CAT28F001 Datasheet - Page 7

• Manufacturer Part Number: CAT28F001
• Description: 1 Megabit CMOS Boot Block Flash Memory
• Manufacturer: CATALYST [Catalyst Semiconductor]

FUNCTION TABLE
Note:
(1) Logic Levels: X = Logic ‘Do not care’ (V
ERASE AND PROGRAMMING PERFORMANCE
WRITE COMMAND TABLE
Commands are written into the command register in one or two write cycles. Write cycles also internally latch
addresses and data required for programming and erase operations.
Parameter
Boot Block Erase Time
Boot Block Program Time
Parameter Block Erase Time
Parameter Block Program Time
Main Block Erase Time
Main Block Program Time
Chip Erase Time
Chip Program Time
Mode
Read Array/Reset
Program Setup/
Program
Read Status Reg.
Clear Status Reg.
Erase Setup/Erase
Confirm
Erase Suspend/
Erase Resume
Read Sig (Mfg)
Read Sig (Dev)
Mode
Read
Output Disable
Standby
Signature (MFG)
Signature (Device)
Write Cycle
Deep Power Down
(1)
Operation
Write
Write
Write
Write
Write
Write
Write
Write
Min.
RP
RP
V
V
V
V
V
V
RP
RP
RP
V
28F001-70
IH
IH
IH
IH
IH
IH
IL
10.10
2.10
Typ.
0.15
2.10
3.80
2.39
0.07
2.10
IH
First Bus Cycle
, V
Address
Block ad
IL
CE
CE
CE
CE
CE
V
V
V
V
V
V
Max.
14.9
0.52
14.6
20.9
8.38
0.26
7.34
X
, V
65
IH
IL
IL
IL
IL
IL
A
X
X
X
X
X
X
PPL
IN
, V
Min.
PPH
OE
OE
OE
OE
OE
V
V
V
V
V
28F001-90
X
X
IH
IH
IL
IL
IL
)
FFH
40H
10H
B0H
70H
50H
20H
90H
90H
0.15
10.10
Typ.
D
2.10
2.10
0.07
3.80
2.10
2.39
Pins
IN
7
WE
WE
WE
WE
WE
V
V
V
V
V
Max.
14.9
0.52
14.6
0.26
20.9
7.34
X
X
8.38
IH
IH
IH
IH
65
IL
Operation Address
Read
Read
Read
Write
Write
Write
Min.
V
X
X
X
X
X
X
X
PP
28F001-12
10.10
Typ.
2.10
0.15
2.10
0.07
3.80
2.10
2.39
Block ad
0000H
0001H
95H-28F001B
94H-28F001T
A
X
X
IN
HIGH-Z
High-Z
High-Z
Second Bus Cycle
D
31H
Max.
14.9
0.52
14.6
0.26
20.9
7.34
8.38
D
I/O
65
OUT
IN
Min.
D0H
D0H
D
D
IN
28F001-15
IN
Notes
A
A
During Write Cycle
0
0
10.10
Typ.
2.10
0.15
2.10
0.07
3.80
2.10
2.39
= V
= V
Doc. No. 25071-00 2/98 F-1
IL
IH
94H-28F001T
95H-28F001B
St. Reg. Data
, A
CAT28F001
, A
Max.
14.9
0.52
14.6
0.26
20.9
7.34
8.38
9
9
65
D
= 12V
31H
= 12V
OUT
Unit
Sec
Sec
Sec
Sec
Sec
Sec
Sec
Sec