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L9680 Datasheet(PDF) 266 Page - STMicroelectronics

Part # L9680
Description  Automotive advanced airbag IC for mid/high end applications
PDF  277 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9680 Datasheet(HTML) 266 Page - STMicroelectronics

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Electrical characteristics
L9680
266/277
DocID029257 Rev 1
13
VOL_PSINHB
PSINHB output low
voltage
ILOAD = 2.0 mA
Internal safing selected
0
-
0.4
V
14
RPD_PSINHB
PSINHB pull down
resistance
-
65
100
135
kΩ
15
VIH_PSINHB
PSINHB high level input
voltage
-2
-
-
V
16
VIL_PSINHB
PSINHB low level input
voltage
-
-
-
0.8
V
17
VIH_SAF_CSx
SAF_CSx high level input
voltage
-2
-
-
V
18
VIL_SAF_CSx
SAF_CSx low level input
voltage
-
-
-
0.8
19
IPU_SAF_CSx
SAF_CSx pull up current
SAF_CSx = 0 V to
VIH_SAF_CSx(min)
-70
-45
-20
μA
Table 66. Arming Interface – DC specifications (continued)
No
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Table 67. Arming interface – AC specifications
No
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
1TARM
Sensor sampling period
-
475
500
525
μs
2TACL_HI
ACL period time thresholds
-
213
-
237
ms
3TACL_LO
-
168
-
187
ms
4TON_ACL_HI
ACL on-time thresholds
-
154
-
171
ms
5TON_ACL_LO
-
114
-
126
ms
6TVALID_ACL
Scrap validation
TACL and TON_ACL valid
-
3
-
-
cycles
7TINVALID_ACL
Scrap invalid
TACL invalid
-
2
-
-
cycles
8TSCRAP_TIMEOUT Scrap timeout timer
-
520
550
580
μs
9fSCRAP_SEED
Scrap seed counter
frequency
-
-
-
MHz
10
TPULSE_STRECH
Arming enable pulse stretch
time
--
-
0
ms
11
-
30
32
34
ms
12
-
242
-
270
ms
13
-
1934
-
2162
ms
14
TRISE_ARM
ARMx rise time
50 pF load, 20% to 80%
internal safing selected
-
-
1.00
μs
15
TFALL_ARM
ARMx fall time
-
-
1.00
μs
16
TRISE_PSINHB
PSINHB rise time
-
-
1.00
μs
17
TFALL_PSINHB
PSINHB fall time
-
-
1.00
μs
ƒosc
16
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