W91330N SERIES
DC Characteristics, continued
PARAMETER
SYMBOL
CONDITIONS
RL = 5 KW,
MIN. TYP. MAX.
UNIT
DTMF Output DC
Level
VTDC
1.0
-
3.0
V
VDD = 2.0 to 5.5V
VTO = 0.5V
DTMF Output Sink
Current
ITL
IPL
0.2
0.5
-
-
-
-
mA
mA
VPO = 0.5V
DP
Output Sink
Current
ITML
VTMO = 0.5V
0.5
-
-
mA
MUTE
T/P
Output Sink
Current
Key Tone Output
Current
IKTH
IKTL
IHFH
IHFL
IKD
VKTH = 2.0V
VKTL = 0.5V
VHFH = 2.0V
VHFL = 0.5V
VI = 0.0V
0.5
0.5
0.5
0.5
30
-
-
-
-
-
-
-
-
-
-
mA
mA
mA
mA
mA
HFO Drive/Sink
Current
Keypad Input Drive
Current
Keypad Input Sink
Current
IKS
VI = 2.5V
-
200
-
400
300
-
-
mA
RHK
KW
HKS
I/P Pull-High
Resistor
Keypad Resistance
RK
-
-
-
5
KW
AC CHARACTERISTICS
(VDD- VSS = 2.5V, FOSC. = 3.579545 MHz, TA = 25° C, all outputs unloaded.)
PARAMETER
Key-in Debounce
Key Release Debounce
Off-Hook Delay
SYMBOL
TKID
CONDITIONS
MIN.
TYP.
20
MAX. UNIT
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
mS
mS
mS
mS
mS
TKRD
20
TOFD
Lock only
300
300
40
First Key-in Delay
Pre-digit-pause1
TFKD
Lock only
TPDP1
10 ppS
TPDP2
20 ppS
TIDP
Mode = VDD
Mode = Floating
Mode = VDD
Mode = Floating
10 ppS
33.3
20
Pre-digit-pause2
mS
mS
16.7
800
500
Interdigit Pause
(Auto Dialing)
20 ppS
Publication Release Date: May 1997
Revision A2
- 9 -
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