UPD77018A NEC, UPD77018A Datasheet - Page 34

• Manufacturer Part Number: UPD77018A
• Description: 16 bits/ Fixed-point Digital Signal Processor
• Manufacturer: NEC

34
AC Characteristics (T
Clock
Required Timing Condition (V
Note 0.5t
Required Timing Condition (V
Note 0.5t
Switching Characteristics
Note N: PLL multiple rate (N = 1, 2, 3, 4, 8)
CLKIN cycle time
CLKIN high level width
CLKIN low level width
CLKIN rise/fall time
CLKIN cycle time
CLKIN high level width
CLKIN low level width
CLKIN rise/fall time
Internal clock cycle time
CLKOUT cycle time
CLKOUT level width
CLKOUT rise/fall time
Parameters
Parameters
Parameters
cCX
cCX
– t
– t
rfCX
rfCX
8 (MIN.)
6.5 (MIN.)
A
= –40 to +85 ˚C, V
Symbol
Symbol
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
cCX
wCXH
wCXL
rfCX
cCX
wCXH
wCXL
rfCX
cC
cCO
wCO
rfCO
DD
DD
= 2.7 V to 3.6 V)
= 3.0 V to 3.6 V)
PLL multiple rate: 1
PLL multiple rate: 2
PLL multiple rate: 3
PLL multiple rate: 4
PLL multiple rate: 8
Active mode
HALT mode
PD77018A
PD77019
DD
= 2.7 to 3.6 V)
Conditions
Conditions
Conditions
PLL multiple rate: 2
PLL multiple rate: 3
PLL multiple rate: 4
PLL multiple rate: 8
PLL multiple rate: 2
PLL multiple rate: 3
PLL multiple rate: 4
PLL multiple rate: 8
PLL multiple rate: 1
PLL multiple rate: 1
0.5t
MIN.
MIN.
MIN.
16.6
33.3
66.6
152
160
133
6.5
6.5
38
57
76
40
60
80
50
19
20
cCO
8
8
– 5
8t
t
cCX
PD77018A, 77019
cCX
TYP.
TYP.
TYP.
/N
t
/N
cC
Note
Note
t
t
– 2t
– 2t
– 2t
– 2t
cCX
cCX
t
t
cCX
cCX
MAX.
MAX.
MAX.
120
160
320
120
160
320
120
320
160
40
80
40
80
15
40
80
15
rfCX
rfCX
rfCX
rfCX
– 6.5
– 6.5
5
– 8
– 8
Note
Note
Note
Note
Unit
Unit
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