E981.18A39FB ELMOS Semiconductor, E981.18A39FB Datasheet - Page 22

• Manufacturer Part Number: E981.18A39FB
• Description: Motor / Motion / Ignition Controllers & Drivers 8ch squib driver
• Manufacturer: ELMOS Semiconductor
• Type: Airbag Squib Driverr

Specifications of E981.18A39FB

• Rohs: yes
• Product: Electromechanical Drivers
• Operating Supply Voltage: 5 V
• Supply Current: 4.3 mA
• Operating Temperature: - 40 C to + 95 C
• Mounting Style: SMD/SMT
• Package / Case: QFN-44
• Number Of Outputs: 8
• Power Dissipation: 3.2 W

8-Channel Airbag Squib Driver
PRELIMINARY INFORMATION - AUG 01, 2011
5.4.6
General condition:4.5<V5<5.5V
5.4.7
General condition:4.5<V5<5.5V
This document contains information on a pre-production product. ELMOS Semiconductor AG reserves the right to change specifications and information herein without notice.
ELMOS Semiconductor AG
1) minimum time length necessary to fulfill timing related to the Codelock and SPI reset pulse length.
2) These timings are given by the MCU. The IC`s SPI circuit is designed to be fully operational under
3) Not tested during production test, guaranteed by design.
No.
No.
10 Enable (LDB) lag time
11 Sequential transfer delay
12 Input capacitance
these worse case timings. SPI functionality test at WC timings is done during production test.
1 SPI clock (SCK)
2 SPI clock (SCK) period
3 Clock (SCK) high time
4 Clock (SCK) low time
5 Clock (SCK) fall time
6 Clock (SCK) rise time
7 Data input setup time
8 Data input hold time
9 Enable (LDB) lead time
1 Data output access time
2 Data output (MISO) valid
operating frequency
MISO
after SCK
SPI, dynamic characteristics for Inputs MOSI,SCK, LDB
SPI, dynamic characteristics, Output MISO
Description
Description
Table 19: SPI inputs, dynamic characteristic
C=<50pF;
SPI: Time from
next data valid at MISO (90%)
SPI: Period SPI clock, 40% <
duty cycle < 60%
SPI: Time from changing MOSI
(10%, 90%) to
Data setup time
SPI: Time from
changing MOSI (10%,90%)
SPI: Time from
SCK (90%)
SPI: Time from
Time between SPI cycles, LDB
at high level (90%)
Pins MOSI/LDB/SCK
C
SPI: Time from
data active from high-impedance
state at MISO
MISO
LDB (90%)
≤50pF;
Page 22 of 63
Condition
Condition
Data Sheet
SCK(90%) .
SCK (10%) to
SCK (90%) to
LDB (10%) to
SCK (10%) to
LDB (10%) to
f
t
t
t
t
t
t
t
t
t
t
C
t
t
SCK
SCK
SCKH
SCKL
fall
rise
setup
hold
LDB_lead
LDB_lag
td
a
V
Symbol
Symbol
DI
1)
1) 2.)
1.)
2.)
3.)
2.)
2.)
2.)
2.)
2.)
2.)
2.)
2.)
2.)
QM-No.: 25DS0072E.00
123.7
48.8
48.8
61.8
61.8
Min
Min
750
5.5
5.5
37
49
-
-
-
Max
8.08
Max
E981.18
13
13
43
30
5
-
-
-
-
-
-
-
-
Unit
MHz
Unit
pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns