参数资料
型号: TC1271LERCTR
厂商: Microchip Technology
文件页数: 2/14页
文件大小: 0K
描述: IC RESET MONITOR 4.63V SOT143-4
标准包装: 3,000
类型: 简单复位/加电复位
监视电压数目: 1
输出: 推挽式,图腾柱
复位: 高有效
复位超时: 最小为 140 ms
电压 - 阀值: 4.63V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: TO-253-4,TO-253AA
供应商设备封装: SOT-143
包装: 带卷 (TR)
TC1270/TC1271
1.0
ELECTRICAL
? Stresses above those listed under “Absolute
CHARACTERISTICS
Absolute Maximum Ratings?
Supply Voltage (V CC to GND) .............................+6.0V
RESET, Reset ............................ -0.3V to (V CC + 0.3V)
Input Current, V CC ..............................................20 mA
Maximum Ratings” may cause permanent damage to
the device. These are stress ratings only and functional
operation of the device at these or any other conditions
above those indicated in the operation sections of the
specifications is not implied. Exposure to Absolute
Maximum Rating conditions for extended periods may
affect device reliability.
Output Current, RESET, Reset...........................20 mA
Operating Temperature Range.............-40°C to +85°C
Storage Temperature Range ..............-65°C to +150°C
ELECTRICAL SPECIFICATIONS
Electrical Characteristics: V CC = 5V for L/M versions, V CC = 3.3V for T/S versions, V CC = 3V for R version, V CC = 2.0V for F
version. Unless otherwise noted, T A = -40°C to +85°C. Typical values are at T A = +25°C. (Note 1) .
Symbol
V CC
I CC
V TH
Parameter
V CC Range
Supply Current
Reset Threshold
Reset Threshold Tempco
V CC to Reset Delay
Min
1.2
4.54
4.50
4.30
4.25
3.03
3.00
2.88
2.85
2.58
2.55
1.71
1.70
Typ
7
10
6
4.63
4.38
3.08
2.93
2.63
1.75
30
20
Max
5.5
15
15
12
4.72
4.75
4.46
4.50
3.14
3.15
2.98
3.00
2.68
2.70
1.79
1.80
Units
V
μA
μA
μA
V
V
V
V
V
V
V
V
V
V
V
V
ppm/°C
μs
Test Conditions
V CC > V TH , for L/M/R/S/T/F
V CC < V TH , for L/M/R/S/T
V CC < V TH , for F
TC127_L; T A = +25°C
T A = -40°C to +85°C
TC127_M; T A = +25°C
T A = -40°C to +85°C
TC127_T; T A = +25°C
T A = -40°C to +85°C
TC127_S; T A = +25°C
T A = -40°C to +85°C
TC127_R; T A = +25°C
T A = -40°C to +85°C
TC127_F; T A = +25°C
T A = -40°C to +85°C
V CC = V TH to V TH – 125 mV;
5
L/M/R/S/T/F
t RP
t MR
t MD
V IH
V IL
V OH
Reset Active Time-out Period
MR Minimum Pulse Width
MR Glitch Immunity
MR to Reset Propagation Delay
MR Input Threshold
MR Pull-up Resistance
Reset Output Voltage High
(TC1271)
140
10
2.3
0.7 V CC
10
0.8 V CC
280
0.1
0.5
20
560
0.8
0.15 V CC
40
ms
μs
μs
μs
V
V
V
V
k Ω
V
V CC = V TH(MAX)
V CC > V TH(MAX) , TC127_L/M
V CC > V TH(MAX) , TC127_R/S/T/F
V CC > V TH(MAX) , TC127_L/M
V CC > V TH(MAX) , TC127_R/S/T/F
I SOURCE = 150 μA;
V CC ≤ V TH(MIN)
Note 1:
2:
Production testing done at T A = +25°C, over temperature limits ensured by design.
RESET output for TC1270, Reset output for TC1271.
DS21381D-page 2
? 2007 Microchip Technology Inc.
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