W27C512-45Z Winbond Electronics, W27C512-45Z Datasheet - Page 14

• Manufacturer Part Number: W27C512-45Z
• Description: IC EEPROM 512KBIT 45NS 28DIP
• Manufacturer: Winbond Electronics

Specifications of W27C512-45Z

• Format - Memory: EEPROMs - Parallel
• Memory Type: EEPROM
• Memory Size: 512K (64K x 8)
• Speed: 45ns
• Interface: Parallel
• Voltage - Supply: 4.75 V ~ 5.25 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 28-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Timing Waveforms, continued
Programming Waveform
Address
OE/Vpp
Data
CE
12.0V
V
V
V
V
V
V
V
V
IH
IH
IL
IH
IL
IH
IL
IL
T
PRT
T
DS
T
T
Address Stable
OES
AS
Data In Stable
T
PWP
T
T
AH
DH
Program
Address
Stable
T
AS
T
Data In
Stable
DS
- 14 -
Address
Stable
T
T
OEH
DH
T
AH
T
VR
V
IL
during program verify period
CE should not be toggled
T
V
Address
Valid
DV1
IL
Data
Out
Program
Verify
T
DV2
T
OH
T
DFP
Address
Valid
T
T
ACC
T
CE
OE
Out
Data
Read
Verify
W27C512
T
OH