UPD23C32080AL NEC, UPD23C32080AL Datasheet - Page 12

• Manufacturer Part Number: UPD23C32080AL
• Description: (UPD23C32040AL / UPD23C32080AL) 32M-BIT MASK-PROGRAMMABLE ROM
• Manufacturer: NEC

Read Cycle Timing Chart 1
O0 to O7,
O8 to O15
Notes 1. During WORD mode, A–1 is O15.
12
A0 to A20,
A−1
/OE or OE
2. t
3. During BYTE mode, O8 to O14 are high impedance and O15 is A–1.
Note1
Note3
/CE
high impedance state output.
DF
is the time from inactivation of Chip Enable input (/CE) or Output Enable input (/OE or OE) to
(Input)
(Input)
(Input)
(Input)
High-Z
t
ACC
t
CE
t
OE
Data out
Data Sheet M15772EJ3V0DS
t
OH
t
DF
Note2
t
SKEW
High-Z
µ µ µ µ PD23C32040AL, 23C32080AL
t
ACC
Data out
t
SKEW
t
OH
t
ACC
Data out
t
SKEW
t
OH
t
DF
Note2