UPD784035YGC NEC, UPD784035YGC Datasheet - Page 68

• Manufacturer Part Number: UPD784035YGC
• Description: 16-/8-BIT SINGLE-CHIP MICROCONTROLLERS
• Manufacturer: NEC

AC CHARACTERISTICS (T
68
Address setup time
ASTB high-level width
Address hold time
(from ASTB )
Address hold time
(from RD )
RD delay time from
address
Address float time
(from RD )
Data input time from
address
Data input time from
ASTB
Data input time from
RD
RD delay time from
ASTB
Data hold time
(from RD )
Address active time
from RD
ASTB delay time
from RD
RD low-level width
Address hold time
(from WR )
WR delay time from
address
Data output delay time
from ASTB
Data output delay time
from WR
WR output delay time
from ASTB
(1) Read/write operation (1/2)
Remark T : T
Parameter
a : 1 (during address wait), otherwise, 0
n : Number of wait states (n
CYK
(system clock cycle time)
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
SAST
WSTH
HSTLA
HRA
DAR
FRA
DAID
DSTID
DRID
DSTR
HRID
DRA
DRST
WRL
HWA
DAW
DSTOD
DWOD
DSTW
A
= –40 to +85 C, V
V
V
V
V
V
V
V
After program is read
After data is read
V
V
V
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
= +5.0 V 10%
= +5.0 V 10%
= +5.0 V 10%
= +5.0 V 10%
= +5.0 V 10%
= +5.0 V 10%
= +5.0 V 10%
= +5.0 V 10%
= +5.0 V 10%
= +5.0 V 10%
0)
Conditions
DD
= AV
PD784035Y, 784036Y, 784037Y, 784038Y
V
V
DD
DD
DD
= +5.0 V 10%
= +5.0 V 10%
= +2.7 to 5.5 V, V
(0.5+a)T–15
(0.5+a)T–31
(0.5+a)T–17
(0.5+a)T–40
(1.5+n)T–30
(1.5+n)T–40
SS
(1+a)T–15
(1+a)T–15
(1+a)T–9
(1+a)T–5
0.5T–24
0.5T–34
0.5T–14
0.5T–12
1.5T–12
0.5T–17
0.5T–14
0.5T–9
0.5T–8
1.5T–8
0.5T–9
MIN.
= AV
0
SS
= 0 V)
(2.5+a+n)T–37
(2.5+a+n)T–52
(1.5+n)T–50
(1.5+n)T–70
(2+n)T–40
(2+n)T–60
0.5T+19
0.5T+35
0.5T–11
MAX.
0
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns