UM809_15 Datasheet, PDF (3/14 Pages) Union Semiconductor, Inc. – 3-Pin Microprocessor Reset Circuits

UM809/810
Electrical Characteristics
V_CC=full range, T_A=-40°C to +85°C, unless otherwise noted. Typical values are at T_A=+25°C,
V_CC=5V for L/M/J versions, V_CC=3.3V for T/S versions, V_CC=3V for R version, and V_CC=2.5V for
Z version. (Note 1)
Symbol
Parameter
Conditions
Min Typ Max Unit
VCC Range
TA=0°C to + 70°C
1.0
TA=-40°C to +85°C
1.2
10
V
10
ICC
Supply Current
VCC<5.5V, UM8_L/M/J
VCC<3.6V, UM8_R/S/T/Z
3
5
μA
3
5
UM8_L
TA=+25°C
4.49
4.63
4.72
TA=-40°C to +85°C
4.44
4.76
UM8_M
TA=+25°C
4.29
4.38
4.51
TA=-40°C to +85°C
4.25
4.55
UM8_J
TA=+25°C
3.90
4.00
4.10
TA=-40°C to +85°C
3.86
4.14
VTH
Reset Threshold
UM8_T
TA=+25°C
3.02
3.08
3.18
V
TA=-40°C to +85°C
2.99
3.21
UM8_S
TA=+25°C
2.83
2.93
2.97
TA=-40°C to +85°C
2.80
3.00
UM8_R
TA=+25°C
2.54
2.63
2.67
TA=-40°C to +85°C
2.51
2.69
UM8_Z
TA=+25°C
2.24
2.32
2.36
TA=-40°C to +85°C
2.22
2.38
Reset Threshold Tempco
30
ppm/°C
VCC to Reset Delay
(Note 2)
VCC=VTH to (VTH–100mV)
10
μs
Reset Active Timeout
Period
TA=-40°C to +85°C
140
240
360
ms
____________
VCC=VTH min, ISINK=1.2mA,
0.3
RESET Output Voltage
UM809R/S/T/Z
VOL
Low (Push-Pull Active
VCC=VTH min, ISINK=3.2mA,
Low, UM809)
UM809J/L/M
0.4
V
VCC≤1.0V, ISINK=50μA
0.3
____________
RESET Output Voltage
VCC>VTH max, ISOURCE=500μA,
UM809R/S/T/Z
0.8VCC
VOH
High (Push-Pull Active
Low, UM809)
VCC>VTH max, ISOURCE=800μA,
UM809J/L/M
VCC–1.5
V
RESET Output Voltage
VCC=VTH max, ISINK=1.2mA,
UM810R/S/T/Z
VOL
Low (Push-Pull Active
High, UM810)
VCC=VTH max, ISINK=3.2mA,
UM810J/L/M
0.3
V
0.4
RESET Output Voltage
VOH
High (Push-Pull Active
High, UM810)
1.8V<VCC<VTH min,
ISOURCE=150µA
0.8VCC
V
Note 1: P_{__}r_{_}o_{__}d_{__}u_{__}c_{__}t_{_}i_{_}on testing done at T_A=+25°C; limits over temperature guaranteed by design only.
Note 2: RESET output for UM809; RESET output for UM810.
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http://www.union-ic.com Rev.06 Apr.2015
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