參數(shù)資料
型號(hào): TPS3125L30DBV
廠商: Texas Instruments, Inc.
英文描述: ULTRA-LOW VOLTAGE PROCESSOR SUPERVISORY CIRCUITS
中文描述: 超低電壓處理器監(jiān)控電路
文件頁(yè)數(shù): 8/13頁(yè)
文件大小: 229K
代理商: TPS3125L30DBV
TPS3123J12, TPS3123G15, TPS3123J18, TPS3124J12, TPS3124G15
TPS3124J18, TPS3125J12, TPS3125G15, TPS3125J18, TPS3125L30
ULTRA-LOW VOLTAGE PROCESSOR SUPERVISORY CIRCUITS
SLVS227 – AUGUST 1999
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing requirements at R
L
= 1 M
, C
L
= 50 pF, T
A
= 25
°
C
PARAMETER
TEST CONDITIONS
VIL = VIT– –0,2 V
MIN
TYP
MAX
UNIT
At VDD
At MR
At WDI
VIH = VIT– +0.2 V,
6
tw
Pulse width
VIT +0 2 V
VDD
VIT– +0.2 V,
VIL= 0 3xVDD
VIL = 0.3xVDD,
VIH= 0 7
VIH = 0.7
×
VDD
1
μ
s
0.1
switching characteristics at R
L
= 1 M
, C
L
= 50 pF, T
A
= 25
°
C
PARAMETER
TEST CONDITIONS
VDD
VIT– +0.2 V,
See timing diagram
MIN
TYP
MAX
UNIT
ttout
Watchdog time out
0.8
1.4
2.1
s
td
Delay time
VDD > VIT–+0.2 V,
See timing diagram
100
180
260
ms
tPHL
Propagation delay time, high-to-low-level output
MR to RESET delay
(TPS3123/25 only)
VDD
VIT– +0.2 V,
0 2
×
VIL = 0.2
VDD,
VIH = 0.8
×
VDD
0.1
μ
s
tPLH
Propagation delay time, low-to-high-level output
MR to RESET delay
(TPS3125 only)
0.1
tPHL
Propagation delay time, high-to-low-level output
VDD to RESET delay
VDD to RESET delay
(TPS3124/25 only)
VIL= VIT
VIL = VIT– –0.2 V,
VIH = VIT– +0.2 V
0 2 V
10
tPLH
Propagation delay time, low-to-high-level output
10
μ
s
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