UPD23C16080BL NEC, UPD23C16080BL Datasheet - Page 8

• Manufacturer Part Number: UPD23C16080BL
• Description: (UPD23C16040BL / UPD23C16080BL) 16M-BIT MASK-PROGRAMMABLE ROM
• Manufacturer: NEC

Mask Option
from among " 0 " " 1 " " x " shown in the table below.
Operation modes for each option are shown in the tables below.
Operation mode (Option : 0)
Operation mode (Option : 1)
Operation mode (Option : x)
Remark L : Low level input
8
The active levels of output enable pin (/OE or OE or DC) are mask programmable and optional, and can be selected
/CE
/CE
/CE
H
H
H
L
L
L
Option
0
1
x
H : High level input
H or L
H or L
H or L
H or L
/OE
OE
DC
H
H
L
L
/OE or OE or DC
/OE
OE
DC
Standby
Standby
Standby
Active
Active
Active
Mode
Mode
Mode
OE active level
Don’t care
Data Sheet M15720EJ3V0DS
H
L
Output state
Output state
Output state
Data out
Data out
Data out
High-Z
High-Z
High-Z
High-Z
High-Z
µ µ µ µ PD23C16040BL, 23C16080BL