W9145A Ver la hoja de datos (PDF) - Winbond
Número de pieza
componentes Descripción
Fabricante
W9145A Datasheet PDF : 18 Pages
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W9145 SERIES
CD and MUTE key function timing diagram is shown in Figure 8.
Mixed Dialing
OFF HOOK (or ON HOOK & HFI ¡õ ),
1. Normal dialing + Repertory dialing + Normal dialing
2. Repertory dialing + Normal dialing + Repertory dialing
3. Redialing + Normal dialing + Repertory dialing
a. Redialing and SAVE dialing are valid for first key-in only.
b. The second sequence should not be performed until the first sequence is dialed out completely.
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATING
UNIT
DC Supply Voltage
VDD−VSS
-0.3 to +7.0
V
Input/Output Voltage
VIL
VSS -0.3
V
VIH
VDD +0.3
V
VOL
VSS -0.3
V
VOH
VDD +0.3
V
Power Dissipation
PD
120
mW
Operating Temperature
TOPR
-20 to +70
°C
Storage Temperature
TSTG
-55 to +150
°C
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the
device.
DC CHARACTERISTICS
VDD = 2.5V, FOSC = 3.58 MHz, TA = 25° C, unless otherwise noted
PARAMETER
SYM.
CONDITIONS
Operating Voltage
VDD Tone
Pulse
Operating Current
IOP Tone, Unloaded
Pulse, Unloaded
Memory Retention
IMR HKS = 1, TA = 25° C
VDD = 1.0V
Standby Current
IS HKS = 0, VDD = 2.5V
Tone Output
VTO Row Group, RL = 5 KΩ
MIN.
2.0
2.0
-
-
-
-
130
TYP.
-
-
0.6
0.2
0.1
MAX.
5.5
5.5
2
0.5
0.2
UNIT
V
V
mA
mA
µA
0.1
5
µA
150 170 Vrms
Publication Release Date: August 1996
-9-
Revision A4
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