AP8942A Aplus Integrated circuits Inc., AP8942A Datasheet - Page 15

• Manufacturer Part Number: AP8942A
• Description: Voice Otp Ic
• Manufacturer: Aplus Integrated circuits Inc.

TIMING WAVEFORMS
AC CHARACTERISTICS
Notes :
Ver 2.1
t KD
t KD
t STPD
t STPW
t BD
t BH
t AS
t AH
t SBTW
t LEDC
Symbol
1.
2.
KEY Trigger Mode
CPU Parallel Mode
S1~S8, SBT
This parameter is inversely proportional to the sampling frequency.
This parameter is proportional to the sampling frequency.
COUT
S1~S5
Addr.
STOP
BUSY
SBT
Parameter
Key trigger debounce time
Key trigger debounce time – retrigger
STOP pulse output delay time
STOP pulse width
BUSY signal output delay time
BUSY signal output hold time
Address set-up time
Address hold time
SBT stroke pulse width
LED flash frequency
Integrated Circuits Inc.
t
AS
t
SBTW
t
KD
t
BD
( T
A
t
AH
= 0 to 70℃, V DD = 4.5V, V SS = 0V, 8KHz sampling )
15
Min.
100
100
16
24
65
Typ.
100
64
3
t
BH
t
STPD
Max.
256
100
t
STPW
aP8942A
Unit
ms
ms
ms
Hz
μs
μs
ns
ns
ns
ns
APR, 2007
Note
1
1
1
1
2