ABOV SEMICONDUCTOR MC81F4204 - Serial I;O Characteristics

MC81F4204
30 April 24, 2012 Ver.1.41
7.7 Serial I/O Characteristics
(T
A
= - 40
°
C to + 85
°
C, V
DD
= 2.2 V to 5.5 V)
Parameter Symbol Conditions Min Typ Max Units
External SCK source 1,000
SCK cycle time
t
KCY
Internal SCK source 1,000
nS
External SCK source 500
SCK high, low width
t
KH
, t
KL
Internal SCK source
t
KCY
/2–50
nS
External SCK source 250
SI setup time to SCK high
t
SIK
Internal SCK source 250
nS
External SCK source 400
SI hold time to SCK high
t
KSI
Internal SCK source 400
– –
nS
External SCK source 300
Output delay for SCK
to SOUT
t
KSO
Internal SCK source
– –
250
nS
Interrupt input, high,low width
t
INTH
,
t
INTL
All interrupt, V
DD
= 5 V
200 – – nS
RESETB input low width
t
RSL
Input, V
DD
= 5 V
10 – – uS
External
Interrupt
0.8 VDD
0.2 VDD
tINTHtINTH
RESETB
0.2 V
DD
tRSL
Figure 7-1 Input Timing for External Interrupts
Figure 7-2 Input Timing for RESETB