MR27V1602D
BLOCK DIAGRAM
A-1
X8/X16 Switch
CE
CE
OE
OE
BYTE/VPP
PGM
A0
A1
A2
Memory Matrix
A3
A4
A5
A6
1,048,576X16-Bit or 2,097,152X8-Bit
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
Multiplexer
Output Buffer
D0
D2
D4
D6
D8 D10 D12 D14
D7 D9 D11 D13 D15
D1
D3
D5
In 8-bit output mode, these pins are
three-stated and pin D15 functions
as the A-1 address pin.
FUNCTION TABLE
VCC
CE OE BYTE/VPP
D0 - D7
DOUT
D8 - D14
DOUT
D15/A-1
L/H
MODE
READ (16-Bit)
READ (8-Bit)
L
L
L
L
H
L
Hi-Z
3.0V
to
3.3V
H
L
L
Hi-Z
Hi-Z
H
*
OUTPUT DISABLE
STAND-BY
*
*
H
L
H
DIN
Hi-Z
DOUT
L
H
H
L
PROGRAM
4.0V
9.75V
H
H
PROGRAM INHIBIT
PROGRAM VERIFY
*: Don't Care
3/11
OKI [ OKI ELECTRONIC COMPONETS ]
