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LC378000RP Datasheet(PDF) 2 Page - Sanyo Semicon Device

Part No. LC378000RP
Description  Internally Synchronized Silicon Gate 8M (1,048,576-word x 8-bit, 524,288-word x 16-bit) Mask ROM
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Maker  SANYO [Sanyo Semicon Device]
Homepage  http://www.ssdc-jp.com/eng/
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LC378000RP Datasheet(HTML) 2 Page - Sanyo Semicon Device

   
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Pin Assignment
No. 5793-2/4
LC378000RP
Block Diagram
Pin Functions
D15/A-1:In byte mode, this pin functions as
the A-1 address input, and in word
mode, it functions as the D15 data
output pin.
A0 to A19
Address inputs
D0 to D15/A-1
Data outputs
CE
Chip enable input
OE
Output enable input
BYTE
Byte/word mode switching
VCC
Power
VSS
Ground
Function Logic Table
Note: X: A high-level or low-level input
D8 to 14 are high impedance and D15 functions as the A-1 address input.
CE
OE
BYTE
Output pin state
Current drain
H
X
L
High impedance
Standby mode level
L
H
L
High impedance
Operating mode level
L
L
L
DOUT
× 8 (BYTE MODE)*
Operating mode level
H
X
H
High impedance
Standby mode level
L
H
H
High impedance
Operating mode level
L
L
H
DOUT
× 16 (WORD MODE)
Operating mode level
Memory array
Column decoder
+ bias circuit
Sense amplifier
Byte/word output
switching circuit
Output buffer
A-1 buffer
CE buffer
BYTE buffer
OE buffer
Internal timing
generator


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