參數(shù)資料
型號(hào)： SAE81C91
廠商： INFINEON TECHNOLOGIES AG
元件分類(lèi)： 微控制器/微處理器
英文描述： 2 CHANNEL(S), 1M bps, LOCAL AREA NETWORK CONTROLLER, PQCC28
封裝： PLASTIC, LCC-28
文件頁(yè)數(shù)： 31/41頁(yè)
文件大?。?/td> 521K
代理商： SAE81C91
07Feb95@09:05h Intermediate Version
Semiconductor Group
36
SAE 81C90/91
DC Characteristics
V
CC = 5 V ± 10 %;
V
SS = 0 V
T
A = – 40 to + 110 C
Notes
1) If the bus lines work according to the ISO specification, additional circuitry is necessary for interconnection of
the input comparator to the bus lines.
2) Not 100% tested, guaranteed by design characterization.
3) This value is a typical value!
4) This specification does not apply to the port pins (P00...P07, P10...P17) due to the implemented pullups!
5) In oscillator mode the size of the low-end capacitance must correspond to the specification of the crystal
manufacturer. The optimum values depend on the selected crystal, the intended frequency and the actual
application hardware (stray capacitances). 10 pF are recommended for CL.
For best results keep the crystal circuitry connections as short as possible and keep the CLKOUT line away
from it. If the CLKOUT signal is not required by the system it should be switched off.
Parameter
Symbol
Limit Values
Unit
Test Condition
min.
max.
Input low voltage
(all except XTAL1 and XTAL2)
V
IL
SR 0
0.3
V
CC
V–
Input low voltage
(XTAL1 and XTAL2)
V
ILX
SR 0
0.5
V
–
Input high voltage
(all except XTAL1 and XTAL2)
V
IH
SR 0.7
V
CC
V
CC
V–
Input high voltage
(XTAL1 and XTAL2)
V
IHX
SR
V
CC – 1.0
V
CC
V–
Comparator input voltage 1)
V
CI
SR 0.5
V
CC + 0.5
V
–
Common mode voltage 2)
V
ICOM SR
1.5
V
CC – 1.5
V
–
Hysteresis 2)
V
HYS DC
–
100 3)
mV
–
Offset voltage 2)
V
OFF
DC –
100 3)
mV
–
Output low voltage
(all except CLKOUT, TX0, TX1)
V
OL
DC –
0.2
V
CC
V
I
OL = 1.6 mA
Output low voltage (CLKOUT)
V
OLC DC
–
0.4
V
I
OL1 = 10 mA
Output high voltage
(all except CLKOUT, TX0, TX1)
V
OH
DC 0.8
V
CC
V
CC
V
I
OH = – 1.6 mA
Output high voltage (CLKOUT)
V
OHC DC
V
CC – 0.8
V
CC
V
I
OH = – 10 mA
Input leakage current
I
I
DC –
±1
A
0 V <
V
IN < VCC
4)
Source output current (TX0, TX1)
I
SRC
DC 5–mA
V
O = VCC – 1 V
Sink output current (TX0, TX1)
I
SNK
DC 5–mA
V
O = 1 V
Low end capacitance 5)
C
L
DC 6.8
12
pF
Pin capacitance 2)
C
I
DC –
10
pF
f = 1 MHz
T
A = 25 C
Power supply current
I
CC
–30
mA
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