Device types 01 through 05
Mode
Read
I/O
CE
VIL
OE
VIL
WE
VIH
DOUT
Standby
VIH
VIL
VIL
X
X
X
High Z
X
Chip clear
Byte write
Write inhibit
Write inhibit
VH
VIH
VIL
X
VIL
VIL
X
DIN
High Z/DOUT
High Z/DOUT
X
VIH
VIH = High logic level
VIL = Low logic level
VH = Chip clear high voltage
X = Don't care
High Z = High impedance state
DIN = Data in
DOUT = Data out
FIGURE 3. Truth table for unprogrammed devices.
SIZE
STANDARD
5962-88634
MICROCIRCUIT DRAWING
A
REVISION LEVEL
F
SHEET
DEFENSE SUPPLY CENTER COLUMBUS
COLUMBUS, OHIO 43218-3990
11
DSCC FORM 2234
APR 97