W27C02-70 Winbond Electronics, W27C02-70 Datasheet - Page 9

• Manufacturer Part Number: W27C02-70
• Manufacturer: Winbond Electronics

Specifications of W27C02-70

• Density: 2Mb
• Interface Type: Parallel
• Organization: 256Kx8
• Access Time (max): 70ns
• Write Protection: No
• Operating Supply Voltage (typ): 5V
• Package Type: PDIP
• Operating Temp Range: 0C to 70C
• Supply Current: 30mA
• Operating Supply Voltage (min): 4.75V
• Operating Supply Voltage (max): 5.25V
• Operating Temperature Classification: Commercial
• Mounting: Through Hole
• Pin Count: 32
• Lead Free Status / Rohs Status: Not Compliant

Timing Waveforms, Continued
Erase Waveform 1
Erase Waveform 2
Address
Data
V
#CE
#OE
#PGM
Address
PP
12.0V
Data
5.0V
V
#CE
#OE
#PGM
V
V
V
V
V
V
PP
IH
IL
IH
IH
IL
IL
12.0V
5.0V
V
V
V
V
V
V
IH
IH
IH
IL
IL
IL
Manufacturer
T
CE
T
OE
T
A0 = V
AS
Read
Others = V
SID
Manufacturer
T
DA
CE
T
A9 = 12.0V
OE
T
IL
A0 = V
AS
T
Read
Others = V
OE
SID
Others=V IL
T
AS
DA
Device
IL
A9 = 12.0V
A0=V IH
SID
Read
85
IL
T
OE
Others=V IL
T
AS
T
DS
Device
IL
A0=V IH
SID
Read
T
85
T
VPS
AS
Command 1
T
5555
CES
T
T
CES
VPS
AA
T
T
T
AS
Others = V
DS
PWP
A9 = 12.0V
Chip Erase
Chip Erase
Data All One
T
T
PWE
AHC
Command 2
IL
2AAA
T
T
AHC
PWP
- 9 -
10
T
T
OES
DH
Address
Stable
Erase Verify
T
DH
T
T
OEV
DFP
T
OES
D
Erase Verify
Address
Stable
OUT
T
T
T
OEV
AH
DFP
D
OUT
Address
T
Publication Release Date: April 11, 2002
Stable
AH
Address
Stable
D
OUT
D
OUT
T
ACC
T
Blank Check
Read Verify
OE
Address
Stable
T
ACC
T
Blank Check
Read Verify
D
OE
Address
Stable
OUT
= VDD
W27C02
D
OUT
= VDD
Revision A2