NTE1537 데이터 시트보기 (PDF) - NTE Electronics
부품명
상세내역
일치하는 목록
NTE1537 Datasheet PDF : 4 Pages
| |||
Electrical Characteristics (Cont’d): (TA = +25°C, VDD = 8 to 10.3V, VSS = 0V, Vref = 7.9 to 9V,
Vref ≤ VDD unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Input Floating Voltage
Input “H” Level Current
Input Floating Voltage
Feedback Resistance
VIF3 SET, DEMAND, input floating
0.45VDD – 0.55VDD V
IIH4 INHI, VDD = 4.3 to 10.3V, VIN = VDD
15
–
400 µA
VIF4 INHI, VDD = 4.3 to 10.3V, input floating
0
–
0.3
V
Rf1 Feedback resistance across OSC–IN
–
3
–
MΩ
and OSC–OUT
Output “L” Level Voltage
Rf2
Rf3
VOL1
Feedback resistance of Fin–FM
Feedback resistance of Fin–AM
PM, VDD = 8V, IOL = 45mA
–
3
–
MΩ
–
3
–
MΩ
–
–
0.7
V
Output Leakage Current
VOL2
IOFF
Segment outputs other than PM
VDD = 8V, IOL = 15mA
All segment outputs, VDD = 10.3V,
VOH = 10.3V
–
–
0.7
V
–
–
10
µA
Current Dissipation
IDD1 VDD = 10.3V, fopg = 4MHz (with crystal
–
mounted), fIN2 = 2.5MHz (0.7VP–P)
8
17 mA
IDD2 VDD = 5.5V, fopg = 4MHz (with crystal
mounted), Vref = 0V, INHI = 0
–
1.0 2.5 mA
Iref VDD = 10.3V, Vref = 9V,
AM–Fine = FM–Fine = Vref
–
0.5 1.5 mA
Note 1. + sign: Flowing into LSI
– sign: Flowing out of LSI
Pin Connection Diagram
Seg – d Digit 4 1
Seg – c Digit 4 2
Seg – g Digit 4 3
Seg – b Digit 4 4
FIN – FM 5
FIN – AM 6
IF – FM 7
IF – AM 2 8
Vref 9
IF – AM 1 10
FM/AM 11
FM – Fine 12
AM – Fine 13
CTL/CLD 14
SET 15
Demand 16
INHI 17
12/24 H 18
OSC Output 19
OSC Input 20
VDD 21
42 Seg – e Digit 4
41 Seg – f Digit 4
40 Seg – a Digit 4
39 Seg – b Digit 3
38 Seg – g Digit 3
37 Seg – c Digit 3
36 VSS
35 Seg – d Digit 3
34 Seg – e Digit 3
33 Seg – f Digit 3
32 Seg – a Digit 3
31 Seg – b Digit 2
30 Seg – g Digit 2
29 Seg – c Digit 2
28 Seg – d Digit 2
27 Seg – e Digit 2
26 Seg – f Digit 2
25 Seg – a Digit 2
24 Seg – b Digit 1
23 Seg – c Digit 1
22 Seg – PM Digit 1
Share Link: 