UPD78323 NEC, UPD78323 Datasheet - Page 67
![no-image](/images/manufacturer_photos/0/4/470/nec_sml.jpg)
UPD78323
Manufacturer Part Number
UPD78323
Description
16/8-BIT SINGLE-CHIP MICROCONTROLLER
Manufacturer
NEC
Datasheet
1.UPD78323.pdf
(86 pages)
- Current page: 67 of 86
- Download datasheet (455Kb)
AC CHARACTERISTICS (T
System clock cycle time
Address setup time (vs. ASTB )
Address hold time (vs. ASTB )
RD delay time from address
Address float time from RD
Data input time from address
Data input time from RD
RD delay time from ASTB
Data hold time (vs. RD )
Address active time from RD
RD low-level width
ASTB high-level width
WR delay time from address
Data output time from ASTB
Data output time from WR
WR delay time from ASTB
Data setup time (vs. WR )
Data hold time (vs. WR )
ASTB delay time from WR
WR low-level width
Non-consecutive read/write operation (with general-purpose memory connected)
Parameter
A
= –10 to +70 C, V
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
CYK
SAST
HSTA
DAR
FRA
DAID
DRID
DSTR
HRID
DRA
WRL
WSTH
DAW
DSTOD
DWOD
DSTW
SODW
HWOD
DWST
WWL
DD
= +5 V 10 %, V
Test Conditions
SS
= 0 V)
MIN.
125
147
147
147
32
32
85
42
50
37
85
42
32
42
0
PD78323, 78324
MAX.
250
222
112
102
10
40
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
67
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