U2270B-MFP Atmel, U2270B-MFP Datasheet - Page 8
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U2270B-MFP
Manufacturer Part Number
U2270B-MFP
Description
IC RFID BASEREADER 125KHZ 16SOIC
Manufacturer
Atmel
Series
U2270Br
Datasheet
1.U2270B-MFPG3Y.pdf
(18 pages)
Specifications of U2270B-MFP
Rf Type
Read / Write
Frequency
125kHz
Features
Read/Write Base Station
Package / Case
16-SOIC (0.154", 3.90mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
U2270B-MFPG3Y
Manufacturer:
ATMEL
Quantity:
450
Part Number:
U2270B-MFPG3Y
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
U2270B-MFPY
Manufacturer:
MICROCHIP
Quantity:
1 200
Part Number:
U2270B-MFPY
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
3.6
8
Schmitt Trigger
U2270B
Figure 3-7.
The signal is processed by a Schmitt trigger to suppress possible noise and to make the signal
microcontroller-compatible. The hysteresis level is 100 mV symmetrically to the DC operation
point. The open-collector output is enabled by a low level at OE (pin 3).
Figure 3-8.
Equivalent Circuit of Pin HIPASS
Equivalent Circuit of Pin OE
LPF
V
Ref
R
R
HIPASS
R
OE
R
7 µA
i
C
+
-
HP
R
Schmitt
trigger
4684E–RFID–02/08