Ac characteristics – Rainbow Electronics aP89085 User Manual
Page 17
Integrated Circuits Inc.
aP89341/170/085
Ver 2.1 16 Aug 24, 2006
AC CHARACTERISTICS
( T
A
= 0 to 70℃, V
DD
= 3.3V, V
SS
= 0V, 8KHz sampling )
Symbol
Parameter
Min.
Typ.
Max.
Unit
Note
tKD
Key trigger debounce time (long)
16
ms
1,2
tKD
Key trigger debounce time (long) –
retrigger option
24
ms
1,2
tKD
Key trigger debounce time (short)
65
μs
1,2
tKD
Key trigger debounce time (short) –
retrigger option
200
μs
1,2
tSTPD
STOP pulse output delay time
256
μs
tSTPW
STOP pulse width
64
ms
1
tBD
BUSY signal output delay time
100
ns
tBH
BUSY signal output hold time
100
ns
tAS
Address set-up time
100
ns
tAH
Address hold time
100
ns
tSBTW
SBT stroke pulse width (long)
16
ms
1,2
tSBTW
SBT stroke pulse width (short)
65
μs
1,2
tCS
Chip select set-up time
100
ns
tCH
Chip select hold time
100
ns
tDS
Data-in set-up time
100
ns
tDH
Data-in hold time
100
ns
tSCKW
Serial clock pulse width
1
μs
tSCKC
Serial clock cycle time
2
μs
tCOUTD
COUT output delay time
256
μs
tFD
FULL signal output delay time
100
ns
tLEDC
LED flash frequency
3
Hz
3
Notes :
1. This parameter is inversely proportional to the sampling frequency.
2. The long or short debounce time is selectable as whole chip option during Voice Files Compiling.
3. This parameter is proportional to the sampling frequency.