Operating Modes
Mode
CE
OE
Read
Write(1)
Standby
Write Inhibit
VIL
VIL
VIL
VIH
VIH
X
X
X
Write Inhibit
VIH
X
Write Inhibit
X
VIL
Write Inhibit
VIL
VIL
Software Chip Clear
VIL
VIH
Software Write Protect
VIL
VIH
High Voltage Chip Clear
VIL
VH
Output Disable
X
VIH
VIH = High Logic, “1” state, VIL = Low Logic “0” state.
X = logic “don’t care” state, High Z = high impedance state.
VH = Chip clear voltage, DOUT = Data out, and DIN = Data in.
Notes: 1. Refer to AC Programming Waveforms
AT28C010-12DK
WE
I/O
VIH
DOUT
VIL
DIN
X
High Z
VIH
DOUT or High Z
X
High Z
X
DOUT or High Z
VIL
No operation
VIL
DIN
VIL
DIN
VIL
VIH
X
High Z
5
4259C–AERO–05/05