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TOSHIBA Photocoupler GaAℓAs Ired & Photo IC
6N137
Digital Logic Isolation
Tele-Communication
Analog Data Equipment Control
The TOSHIBA 6N137 consist of a high emitting diode and a one chip
photo IC. This unit is 8-lead DIP package.
• LSTTL / TTL compatible: 5V Supply
• Ultra high speed: 10MBd
• Guaranteed performance over temperature: 0°C to 70°C
• High isolation voltage: 2500Vrms (min)
• UL recognized: UL1577, file no. E67349
6N137
Unit: mm
Truth Table
Input
H
L
H
L
Enable
H
H
L
L
Output
L
H
H
H
IF
VF 2
3
7 IE
VE
ICC
IO 8 VCC
6 VO
GND
5
TOSHIBA
11−10C4
Weight: 0.54 g (typ.)
Pin Configurations (top view)
18
27
36
45
1 : N.C.
2 : Anode
3 : Cathode
4 : N.C.
5 : GND
6 : Output(Open collector)
7 : Enable
8 : VCC
Start of commercial production
1982/11
1 2014-09-22
6N137
Test Circuit 1.
tpHL and tpLH
Input
tpHL
Output VO
350mV(IF = 7.5mA)
175mV(IF = 3.75mA)
Pulse
generator
ZO = 50Ω
tr = 5ns
tpLH
VOH
IF
Monitoring
1.5V
VOL
Node
1
2
3
4
5V
VCC 8
7
6
GND 5
0.1μF
By-
pass
CL
RL
Output
VO
monitor-
ing
node
・ CL is approximately 15pF which includes probe and stray wiring capacitance.
Test Circuit 2.
tEHL and tELH
Input VE
Output VO
tEHL
3.0V
1.5V
tELH
VOH
1.5V VOL
Pulse
generator
ZO = 50Ω
tr = 5ns
7.5mA
dc
IF
Input VE
Monitoring node
1 VCC
2
3
8
7
6
4 GND 5
5V
0.1μF
By-
pass
CL
RL
VO
Output
monitoring
node
・ CL is approximately 15pF which includes prove and stray wiring capacitance.
Test Circuit 3.
Transient immunity and typical waveforms
10%
90% 10%
tr
90%
tf
VO
Switch at A : IF = 0mA
VO
Switching at B : IF = 5mA
10V
0V
5V
VOL
IF
A
B
VFF
1
2
3
4
Pulse gen.
ZO = 50Ω.
VCC 8
0.1μF
7 By-
6 pass
GND 5
VCM
5V
RL
VO
5 2014-09-22