sh66k31c SinoWealth Micro-Electronics Corp. Ltd, sh66k31c Datasheet - Page 21

• Manufacturer Part Number: sh66k31c
• Description: Mask 4-bit Micro-controller
• Manufacturer: SinoWealth Micro-Electronics Corp. Ltd

LPD Circuitry Electrical Characteristics
AC Characteristics (V
Timing Waveform
(a) System Clock Timing Waveform:
(b) T0 Input Waveform:
Instruction Cycle Time
LPD Voltage (1)
LPD Voltage (2)
LPD circuit current
T0 Input Width
High Pulse Width
Low Pulse Width
System Clock
System Clock
16/f
4/f
Parameter
Parameter
OSC
OSC
f
f
OSC
OSC
T1
T1
DD
T2
T2
= 3.0V, GND = 0V, T
Symbol
Symbol
T0 input signal
V
V
I
t
T3
T3
t
LPD1
LPD2
t
LPD
t
IWH
IWL
CY
IW
T4
T4
t
CY
T5
T5
(t
CY
1/2t
1/2t
Min.
Min.
T6
1.6
1.7
+ 40)/N
1
-
Iw
Iw
T7
A
T12 T13 T14 T15 T16
= 25 ℃ , unless otherwise specified)
T8
Typ.
Typ.
2.0
T1
-
-
-
-
-
-
t
IPW(L)
T2
21
T3
Max.
Max.
2.1
2.0
3.5
t
10
t
T4
IW
CY
-
-
-
T17
T18
t
Unit
Unit
IPW(H)
µA
µs
ns
ns
ns
V
V
T19
T20
T
T
T
N = Prescaler divide ratio
A
A
A
= −20 ℃ to +70 ℃
= 25 ℃
= −20 ℃ to +70 ℃
T21
T22
Condition
Condition
T29
T30
SH66K31C
T31
T32