U2270B-MFPG3Y Atmel, U2270B-MFPG3Y Datasheet - Page 8

• Manufacturer Part Number: U2270B-MFPG3Y
• Description: IC BASEREADER RFID 125KHZ 16SOIC
• Manufacturer: Atmel
• Series: U2270Br

Specifications of U2270B-MFPG3Y

• Rf Type: Read / Write
• Frequency: 125kHz
• Features: Read/Write Base Station
• Package / Case: 16-SOIC (0.154", 3.90mm Width)
• Pin Count: 16
• Screening Level: Industrial
• Package Type: SOIC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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