W91542N 查看數據表（PDF） - Winbond

零件编号

产品描述 (功能)

生产厂家

W91542N

10-MEMORY TONE/PULSE DIALER WITH SAVE, KEYTONE, LOCK, AND HANDFREE FUNCTIONS

Winbond 

W91540N SERIES

3. Flash key cannot be stored as a digit in memory. The flash key has first priority among keyboard

functions.

4. The system will return to the initial state after the flash pause time is finished.

5. The flash function timing diagram is shown in Figure 6.

Cascaded Dialing

1. Normal Dialing + Repertory Dialing + Normal Dialing

(1st sequence)

(2nd sequence)

2. Repertory Dialing + Normal Dialing + Repertory Dialing

(1st sequence)

(2nd sequence)

3. Redialing + Normal Dialing + Repertory Dialing

(1st sequence) (2nd sequence)

4. Redialing and save dialing are valid only as the first key-in.

ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

DC supply voltage

Input/Output Voltage

VDD−VSS

VIL

VIH

VOL

VOH

Power dissipation

PD

Operating temperature

TOPR

Storage temperature

TSIG

RATING

-0.3 to +7.0

VSS -0.3

VDD +0.3

VSS -0.3

VDD +0.3

120

-20 to +70

-55 to +150

UNIT

V

V

V

V

V

mW

°C

°C

Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability

of the device.

Publication Release Date: May 1997

-9-

Revision A2

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