MC145574APB Freescale Semiconductor, MC145574APB Datasheet - Page 17

• Manufacturer Part Number: MC145574APB
• Description: IC TRANSCEIVER ISDN 32-LQFP
• Manufacturer: Freescale Semiconductor
• Type: Transceiverr

Specifications of MC145574APB

• Voltage - Supply: 4.75 V ~ 5.25 V
• Mounting Type: Surface Mount
• Package / Case: 32-LQFP
• Number Of Line Interfaces: 1
• Control Interface: HDLC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Number Of Drivers/receivers: -
• Protocol: -
• Lead Free Status / Rohs Status: Not Compliant

MOTOROLA
1.4
1.5
BLOCK DIAGRAM
PACKAGING
The MC145574 comes in the following packages:
The pin assignments for the MC145574 are described in Section 7. Package dimensions are in
Section 19.
EXTALOUT
XTALIN
ISET
28–Pin, 600 mil Wide, Plastic SOIC
32–Pin, 700 mil Square, TQFP
2B+D
MODULATOR
TxP TxN
Tx
LOGIC
CLK
CONTROL AND DATA INTERFACE SIGNALS
BLOCK
CORE
SCP CONTROL AND STATUS
DGRANT DREQUEST
Figure 1–1. Block Diagram
D CHANNEL
ACT/DEACT
IDL2 + SCP + GCI
CONTROL
HANDLER
S AND Q
MC145574
LOGIC
SYSTEM BLOCK
INTERFACE
DEMODULATOR AND
TIMING RECOVERY
RxP RxN
Rx
2B+D
VOLTAGE
REG
V DD
3 V REG
1–3