CAT28F020L12 ON Semiconductor, CAT28F020L12 Datasheet - Page 7

• Manufacturer Part Number: CAT28F020L12
• Description: IC FLASH 2MBIT 120NS 32DIP
• Manufacturer: ON Semiconductor

Specifications of CAT28F020L12

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 2M (256K x 8)
• Speed: 120ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 32-DIP (0.600", 15.24mm)
• Data Bus Width: 8 bit
• Architecture: Non Sectored
• Interface Type: Parallel
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Current: 30 mA
• Mounting Style: Through Hole
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: CAT28F020L-12; CAT28F020L-12

FUNCTION TABLE
WRITE COMMAND TABLE
Commands are written into the command register in one or two write cycles. The command register can be altered
only when V
addresses and data required for programming and erase operations.
Note:
1.
© 2009 SCILLC. All rights reserved.
Characteristics subject to change without notice
Set Read
Read Sig. (MFG)
Read Sig. (Device)
Erase
Erase Verify
Program
Program Verify
Reset
Logic Levels: X = Logic ‘Do not care’ (V
Read
Output Disable
Standby
Signature (MFG)
Signature (Device)
Program/Erase
Write Cycle
Read Cycle
Mode
Mode
PP
is high and the instruction byte is latched on the rising edge of WE. Write cycles also internally latch
(1)
Operation
CE
V
Write
Write
Write
Write
Write
Write
Write
Write
V
V
V
V
V
V
V
IH
IL
IL
IL
IL
IL
IL
IL
IH
First Bus Cycle
, V
IL
, V
OE
V
V
V
V
V
V
V
Address
X
PPL
IH
IH
IH
IL
IL
IL
IL
A
, V
X
X
X
X
X
X
X
IN
PPH
)
Pins
WE
V
V
V
V
V
V
V
X
IH
IH
IH
IH
IH
IL
IL
7
A0H
C0H
00H
90H
90H
40H
FFH
20H
D
IN
V
V
V
Operation
V
V
V
Pins
PPH
PPH
PPH
PPL
PPL
X
X
X
PP
Read
Read
Read
Read
Read
Write
Write
Write
High-Z
High-Z
D
D
BDH
31H
D
D
Second Bus Cycle
I/O
OUT
OUT
IN
IN
Address
A
A
00
01
X
X
X
X
IN
IN
A
A
See Command Table
During Write Cycle
During Write Cycle
0
0
= V
= V
FFH
20H
D
D
IL
IH
Notes
IN
IN
, A
Doc. No. MD-1029, Rev. F
, A
CAT28F020
9
9
= 12V
= 12V
D
D
D
D
BDH
31H
OUT
OUT
OUT
OUT