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ACS104A Datasheet PDF : 12 Pages
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Advanced Communications
ACS104A Data Sheet
ELECTRICAL SPECIFICATION
Important Note: The "Absolute Maximum Ratings" are stress ratings only, and functional operation of the device at conditions other
than those indicated in the "Operating Conditions" sections of this specification are not implied. Exposure to the absolute maximum
ratings for an extended period may reduce the reliability or useful lifetime of the product.
Absolute Maximum Ratings
Operating Conditions
Parameter
Symbol Min
Max Units
Power supply VD+ and VA+
(VDD = VD+ or VA+)
Input voltage
(non-supply pins)
Input current
(except
LAN,LAP,PINN,PINP,CNT)
Input current
( LAN,LAP,PINN,PINP,CNT)
VDD -0.3
6.0
V
Vin GND - 0.3 VDD + 0.3 V
Iin
-
10.0 mA
Iin
-
1.0 mA
Storage temperature
Tstor
-50
160
ºC
Static Digital Input Conditions (for specified operating conditions)
For Digital Input pins: TxD, RTS, DTR, PORB, RII, DP, DR(3:1), DM(3:1), HD(2:1).
Parameter
Power supply
(VA+ and VD+)
Ambient temperature range
Symbol Min Typ Max Units
V+ 3.3 5.0 5.25 V
TA -40
-
85 ºC
Dynamic Characteristics (for specified operating conditions)
Parameter
Crystal frequency
(XTI, XTO)
External clock (XTI)
High or Low time
RxD and TxD data rate
Function of DR(1:3) setting
Symbol Min
XTAL 5
fclp 40
fclf DC
Typ Max Units
27 MHz
-
60
%
- XTAL/150 Hz
Parameter
2
Vin High
Symbol Min Typ Max Units
Vih 2.0 -
-
V
Digital output - fall time
Digital output - rise time
tf
-
-
100
ns
tr
-
-
100
ns
Vin Low
Input current (High)
Input current (Low)
Vil
-
- 0.8
V
Iin
- 0.2 5
µA
Iin
-
8 15
µA
Power consumption
(Note 2)
Pc
-
20
-
mW
Note 2: See section on Calculating average current and power consumption
Matching Characteristics (for specified operating conditions)
Static Digital Output Conditions (for specified operating conditions)
For Digital Output pins: RxD, DSR, CTS, DCDB, ERRL, RIO, HBT.
Parameter
Symbol Min Typ Max Units
Vout Low
Vol
0
- 0.5 V
Vout High
Voh
VDD-0.5
-
-
V
Isource and Isink (except HBT)
(Note 1)
Iout
4
-
-
mA
Isource and Isink (HBT)
Iout
16
-
-
mA
Max load capacitance
Cl
-
- 50 pF
Note 1: Output source and sink currents should be kept to a minimum in order to achieve low power
consumption.
Parameter
Crystal tolerance
use parallel resonate crystal and
recommended padding capacitors
Amplifier sensitivity input current
Symbol Min Typ Max Units
Ct -250 0 250 ppm
Irec 500 -
- nA
Maximum amplifier input current
Imax -
- 500 µA
Rtrc placed between TRC and GND Rtrc 0.8k - 40k Ω
LED current
Rtrc = 1 kOhm
Rtrc = 40 kOhms
Iled 75 100 125 mA
1.8 2.5 3.2
Block Error Rate
BER
-
-
10-9
PIN capacitance with Vr = 0
Cl
-
- 20 pF
PIN leakage current
Lleak -
- 150 nA
Pin reverse bias
Vr
-
0
-
V
Figure 1. Signal Positioning, PLCC28 & TQFP44
8
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