MITSUMI
System Reset PST993, 994
Equivalent Circuit Diagram
PST993
PST994
Absolute Maximum Ratings
Item
Storage temperature
Operating temperature
Supply voltage
Allowable loss
(Ta=25
°
C)
Symbol
T
STG
T
OPR
V
CC
Pd
Ratings
-40~+125
-20~+75
-0.3~10
300
Units
°
C
°
C
V
mW
Electrical Characteristics
Item
(Ta=25
°
C) (The unit of resistance is
Ω
unless otherwise indicated.)
Measurement
Circuit
Measurement conditions
PST993C
PST993D
PST993E
PST993F
PST993G
R
L
=∞
V
CC
=H L
PST993H
PST993I
PST993J
PST993K
PST993L
R
L
=∞, V
CC
=L H L
R
L
=∞, Ta=-20~+75
°
C
V
CC
=Vs min. -0.05V, R
L
=1k
V
O
=2.5V, V
CC
=5V, R
L
=∞
V
CC
=Vs min. -0.05V, R
L
=∞
V
CC
=Vs typ. /0.85V, R
L
=∞
C
L
=100pF
Min. Typ. Max. Units
4.27
4.00
3.70
3.42
3.13
2.94
2.75
2.56
2.37
2.18
30
4.5
4.2
3.9
3.6
3.3
3.1
2.9
2.7
2.5
2.3
50
±0.01
0.1
-25
250
300
20
1
1
0.65
0.4
-17
400
500
4.73
4.40
4.10
3.78
3.47
3.26
3.05
2.84
2.63
2.42
100
Symbol
V
Detection Voltage
V
S
1
Hysteresis Voltage
Detection Voltage
Temperature Coefficient
Low Level Output Voltage
Output Constant Current
Circuit Current at ON Time
Circuit Current at OFF Time
"H" Transmission Delay Time
"L" Transmission Delay Time
Operating Threshold Voltage
V
S
V
S
/
V
OL
I
O
C
I
CCL
I
CCH
tpLH
tpHL
V
OP
L
T
1
1
1
1
1
1
2
2
1
mV
%/
°
C
V
µA
µA
µA
µS
µS
V
mA
mA
-40
C
L
=100pF
R
L
=4.7k, V
OL
< 0.4V
=
R
L
=∞, V
O
=0.4V
Output Current at ON Time 1
6
I
O
L1
1
V
CC
=V
S
min. -0.05V
Ta=-20~+75
°
C, R
L
=∞
1
4
Output Current at ON Time 2
I
O
L2
V
O
=0.4V, V
CC
=Vs min. -0.05V
Do not apply onto the OUT terminal any voltage higher than that at the V
CC
terminal.
( 1) The tpLH is a function of the charging time of C
L
by output constant current.
The delay time of this IC is about 1 µS.
*
0.85
15
*
*
MITSUMI [ MITSUMI ELECTRONICS, CORP. ]
