MR27V402D Datasheet, PDF (3/11 Pages) OKI electronic componets – 262,144-Word x 16-Bit or 524,288-Word x 8-Bit One Time PROM

BLOCK DIAGRAM
A-1
CE
CE
X8/X16 Switch
OE
BYTE/V_PP
OE
PGM
MR27V402D
A0
A1
Memory Matrix
A2
A3
A4
A5
A6
262,144X16-Bit or 524,288X8-Bit
A7
A8
A9
A10
A11
A12
Multiplexer
A13
A14
A15
A16
A17
Output Buffer
FUNCTION TABLE
MODE
READ (16-Bit)
READ (8-Bit)
OUTPUT DISABLE
STAND-BY
PROGRAM
PROGRAM INHIBIT
PROGRAM VERIFY
*: Don't Care
D0 D2 D4 D6 D8 D10 D12 D14
D1 D3 D5 D7 D9 D11 D13 D15
In 8-bit output mode, these pins are
three-stated and pin D15 functions
as the A-1 address pin.
CE OE BYTE/V_PP V_CC
LL
H
LL
L
LH
H
3.0V
to
L
3.3V
H
H*
L
LH
H H 9.75V ^4.0V
HL
D0 - D7
D_OUT
D8 - D14
D_OUT
Hi-Z
Hi-Z
Hi-Z
D_IN
Hi-Z
D_OUT
D15/A-1
L/H
*
*
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