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STM6524 数据表(PDF) 17 Page - STMicroelectronics

部件名 STM6524
功能描述  Integrated test mode
PDF  24 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STM6524 数据表(HTML) 17 Page - STMicroelectronics

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STM6524
DC and AC parameters
Doc ID 022335 Rev 3
17/24
Table 4.
DC and AC characteristic
Symbol
Parameter
Test conditions(1)
1.
Valid for ambient operating temperature TA = -40 to +85 °C, VCC = 1.65 to 5.5 V.
Min.
Typ.(2)
2.
Typical values are at 25 °C and VCC = 3.3 V unless otherwise noted.
Max.
Unit
VCC
Supply voltage(3)
3.
Reset outputs are deasserted below 1.575 V typ. and remain deasserted down to VCC = 1 V.
1.65
5.5
V
ICC
Supply current (inputs in
their inactive state, tSRC
counter is not running)
VCC = 3.0 V
1.1
2.5
µA
VCC = 5.0 V
1.5
3.0
µA
VOL
Reset output voltage low
VCC ≥ 4.5 V, sinking 3.2 mA
0.3
V
VCC ≥ 3.3 V, sinking 2.5 mA
0.3
V
VCC ≥ 1.65 V, sinking 1 mA
0.3
V
VOH
Reset output voltage high
(push-pull output only)
VCC ≥ 4.5 V, ISOURCE = 0.8 mA
0.8 VCC
V
VCC ≥ 2.7 V, ISOURCE = 0.5 mA
0.8 VCC
V
VCC ≥ 1.65 V, ISOURCE = 0.25 mA
0.8 VCC
V
tREC
Reset timeout delay,
factory-programmed
(device option)
0.85
1.28
1.71
ms
66
100
134
ms
140
210
280
ms
240
360
480
ms
RPUO
Internal output pull-up
resistor on RST
(device option)
65
k
Ω
ILO
Output leakage current
VRST = 5.5 V, open drain device
option without output pull-up
resistor
-0.1
0.1
µA
Smart ResetTM
tSRC
Smart Reset™ delay
TA = -40 to +85 °C
0.8 x tSRC
tSRC
(4)
4.
Factory-programmable in the range of 0.5 s to 10 s typ. in 0.5 s steps (see Table 7 for available delays).
1.2 x tSRC
s
TA = 25 °C
0.9 x tSRC
1.1 x tSRC
VIL
SR0, SR1 input voltage
low
VSS -0.3
0.3
V
VIH
SR0, SR1 input voltage
high
0.85
5.5
V
ILI
SR0, SR1 input leakage
current
-0.1
0.1
µA
Input glitch immunity(5)
5.
Input glitch immunity is equal to tSRC, when both inputs (SR0 and SR1) are low. Otherwise infinite.
SR0 and SR1 asserted
tSRC
s
Test mode
VTEST
Test mode entry voltage
VCC +0.9 VCC +1.1 VCC +1.4
V
tSRC-INI Initial test mode time
28
42
56
ms
tSRC-
SHORT
Shorten Smart Reset™
delay
16.8
21
25.2
ms



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