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UM821TCE Datasheet(PDF) 6 Page - Union Semiconductor, Inc.

Part # UM821TCE
Description  Reset Circuits with Long Manual Reset Setup Period
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Manufacturer  UNIONSEMI [Union Semiconductor, Inc.]
Direct Link  http://www.union-ic.com
Logo UNIONSEMI - Union Semiconductor, Inc.

UM821TCE Datasheet(HTML) 6 Page - Union Semiconductor, Inc.

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________________________________________________________________________
http://www.union-ic.com Rev.01 Jan.2015
6/17
UM807/821/822
Electrical Characteristics (Continued)
(VCC = 5V for L/M/J versions, VCC = 3.3V for T/S versions, VCC = 3V for R version, and VCC =
2.5V for Z version, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)
(Note 2)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VOH
RESET Output
Voltage
ISOURCE=150μA, 1.8V<VCC<VTH(MIN)
UM822L_E/M_E/J_E/T_E/S_E/R_E/Z_E
0.8×VCC
V
VOL
ISINK=1.2mA
UM822T_E/S_E/R_E/Z_E
0.3
ISINK=3.2mA
UM822L_E/M_E/J_E
0.4
VOH
RESET
____________
Output
Voltage
ISOURCE=500μA, VCC>VTH(MAX)
UM821T_E/S_E/R_E/Z_E
0.8×VCC
V
ISOURCE=800μA, VCC>VTH(MAX)
UM821L_E/M_E/J_E
VCC-1.5
VOL
ISINK=1.2mA, VCC=VTH(MIN)
UM807/821T_E/S_E/R_E/Z_E
0.3
ISINK=3.2mA, VCC=VTH(MIN)
UM807/821L_E/M_E/J_E
0.4
ISINK=50μA, VCC>1.0V
0.3
Note 2: Production testing done at TA = +25°C; limits over temperature guaranteed by design only.
Note 3: RESET
_____________
output for UM807/821; RESET output for UM822.
Note 4: “Glitches” of 100ns or less typically will not generate a reset pulse.


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