参数资料
型号: MAX6894ETI+
厂商: Maxim Integrated Products
文件页数: 3/19页
文件大小: 0K
描述: IC SEQUENCE/SUPERVISOR 28TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 60
类型: 序列发生器
监视电压数目: 4
输出: 开路漏极或开路集电极
复位: 低有效
复位超时: 可调节/可选择
电压 - 阀值: 可调节/可选择
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(5x5)
包装: 管件
Pin-Selectable, Octal/Hex/Quad, Power-Supply
Sequencers/Supervisors
ELECTRICAL CHARACTERISTICS (continued)
(V IN1 = V IN6 –V IN8 = V GND , V IN2 –V IN5 = 2.7V to 5.5V, WDI = ENABLE = GND, TH0–TH4 = MARGIN = MR = DBP, T A = -40°C to
+85°C, unless otherwise noted. Typical values are at T A = +25°C.) (Notes 1, 2)
PARAMETER
SRT Default Timeout Threshold
SRT Adjustable Timeout
Threshold
SYMBOL
V SRT-DEF
V SRT-ADJ
CONDITIONS
V SRT ≥ V SRT-DEF , selects reset default
timeout
(Note 4)
MIN
1.1
0.95
TYP
1.25
1.0
MAX
1.5
1.05
UNITS
V
V
SRT Adjustable Timeout
Discharge Threshold
SRT Adjustable Timeout Output
Low Discharge Current
PG_, RESET , WDO Output Low
V SRT-DIS
I SRT-DIS
V OL
(Note 5)
V SRT = 0.3V
I SINK = 4mA, output asserted
0.7
100
0.4
mV
mA
V
PG_, RESET , WDO Output Initial
Pulldown Current
PG_, RESET , WDO Output Open-
Drain Leakage Current
MR , MARGIN , ENABLE ,
TH0–TH4, WDI Input Voltage
MR Input Pulse Width
I UV
I LKG
V IL
V IH
T MR
V CC < V UVLO , V PG _ , V RESET , V WDO = 0.8V
Output high impedance
-1
1.4
1
10
40
+1
0.6
μA
μA
V
μs
MR Glitch Rejection
100
ns
MR to RESET Delay
t D- MR
2
μs
MR to DBP Pullup Current
MARGIN to DBP Pullup Current
I MR
I MARGIN
V MR = 1.4V
V MARGIN = 1.4V
5
5
10
10
15
15
μA
μA
ENABLE to PG_ Delay
t D-ENPG
200
ns
ENABLE Pulldown Current
V ENABLE = 0.6V
5
10
15
μA
_______________________________________________________________________________________
3
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