Attribute Memory Operations
X = Don’t Care, where Don’t Care is either VIL or VIH levels.
Pins
REG CE2 CE1 OE WE A0 D8-D15
D0-D7
Read-Only
Read (x8) (1)
VIL
VIH
VIL
VIL
VIH
VIL High Z
Read (x8)
VIL
VIH
VIL
VIL
VIH
VIH High Z
Read (x8)
VIL
VIL
VIH
VIL
VIH
X Not Valid
Read (x16)
VIL
VIL
VIL
VIL
VIH
X Not Valid
Output Disable VIL
X
X
VIH VIH
X High Z
Standby
X
VIH
VIH
X
X
X High Z
Data Out-Even
Not Valid
High Z
Data Out-Even
High Z
High Z
Write-Only
Write (x8) (1)
VIL
VIH
VIL
VIH
VIL
VIL High Z
Data In-Even
Write (x8)
VIL
VIH
VIL
VIH
VIL
VIH High Z
Not Valid
Write (x8)
VIL
VIL
VIH
VIH
VIL
X Not Valid
High Z
Write (x16)
VIL
VIL
VIL
VIH
VIL
X Not Valid
Data In-Even
Output Disable VIL
X
X
VIH
VIL
X High Z
High Z
Note: 1. Byte access - Even. In this x8 mode, D0-D7 contain the "even" byte (low byte) of the x16 word. D8-D15 are inactive.
8
AT5FC008