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W91520N डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - TONE/PULSE DIALER - Winbond

भाग संख्या W91520N
समारोह TONE/PULSE DIALER
मैन्युफैक्चरर्स Winbond 
लोगो Winbond लोगो 
पूर्व दर्शन
1 Page
		
<?=W91520N?> डेटा पत्रक पीडीएफ

W91520N pdf
PIN CONFIGURATIONS
W91520N SERIES
C1
C2
C3
C4
H/P MUTE
VSS
XT
XT
T/P MUTE
1
2
3
4
5
6
7
8
9
18 R4
17 R3
16 R2
15 R1
14 VDD
13 MODE
12 DTMF
11 DP/C5
10 HKS
W91520N/W91521N
C1
C2
C3
C4
H/P MUTE
VSS
XT
XT
T/P MUTE
HFI
1
2
3
4
5
6
7
8
9
10
20 R4
19 R3
18 R2
17 R1
16 VDD
15 MODE
14 DTMF
13 DP/C5
12 HKS
11 HFO
W91520AN/W91521AN
PIN DESCRIPTION
SYMBOL 18-PIN
Column-
Row
Inputs
14
&
1518
XT, XT
7, 8
T/P MUTE
9
MODE
13
20-PIN I/O
FUNCTION
14
&
1720
The keyboard inputs may be used with either a
I standard 5 × 5 keyboard or an inexpensive single
contact (Form A) keyboard. Electronic input from a µC
can also be used. A valid key-in is defined as a single
row being connected to a single column.
7, 8 I, O A built-in inverter provides oscillation with an
inexpensive 3.579545 MHz crystal or ceramic
resonator.
9 O The T/P MUTE is a conventional CMOS N-channel
open drain output.
The output transistor is switched on during dialing
sequence, one-key redial break, and flash break time.
Otherwise, it is switched off.
15 I Pulling mode pin to VSS places the dialer in tone
mode.
Pulling mode pin to VDD places the dialer in pulse
mode (10 ppS; 20 ppS for W91521N/521AN, M/B =
40:60).
Floating mode pin places the dialer in pulse mode
(10 ppS; 20 ppS for W91521N/521AN, M/B =
33.3:66.7).
-2-

विन्यास 16 पेज
डाउनलोड[ W91520N Datasheet.PDF ]


शेयर लिंक


अनुशंसा डेटापत्रक

भाग संख्याविवरणविनिर्माण
W91520NTONE/PULSE DIALERWinbond
Winbond


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