27C04A Microchip Technology, 27C04A Datasheet - Page 5

• Manufacturer Part Number: 27C04A
• Description: 4K (512 x 8) CMOS EEPROM
• Manufacturer: Microchip Technology

FIGURE 1-3:
FIGURE 1-4:
1996 Microchip Technology Inc.
Address
WE
OE
CE
Data
WE
CE
OE
V
V
V
V
V
V
IH
IL
IH
IH
IL
H
V
V
V
V
V
V
V
V
V
V
IL
IL
IH
IL
IH
IL
IH
IL
IH
IH
DATA POLLING WAVEFORMS
CHIP CLEAR WAVEFORMS
Address Valid
t
DV
t
WPL
Data In
Valid
t
t
WPH
S
t
WC
t
W
t
CE
t
t
OE
ACC
t
H
V
Address Valid
I/O7 Out
t
t
Last Written
W
S
H
= 10ms
=
= 12.0V 0.5V
t
H
= 1 s
28C04A
True Data Out
DS11126F-page 5