UPD78323 NEC, UPD78323 Datasheet - Page 67

• Manufacturer Part Number: UPD78323
• Description: 16/8-BIT SINGLE-CHIP MICROCONTROLLER
• Manufacturer: NEC

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