MC145574APB Freescale Semiconductor, MC145574APB Datasheet - Page 131

• 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
18.8
18.9
NT1 STAR MODE TIMING CHARACTERISTICS
D CHANNEL TIMING CHARACTERISTICS (IDL2 MODE)
Ref. No.
Ref. No.
25
26
27
28
Propagation Delay from ANDIN to ANDOUT
DREQUEST Valid Before Falling Edge of FSC
DREQUEST Valid After Falling Edge of FSC
DGRANT Valid Before Falling Edge of FSC
DGRANT
DREQUEST
FSC
FSC
Figure 18–6. D Channel Request Timing
Figure 18–7. D Channel Grant Timing
Characteristic
Characteristic
ANDOUT
Figure 18–5. NT1 Star Mode
ANDIN
MC145574
28
26
25
27
Min
Min
390
30
30
—
Max
Max
35
—
—
—
Unit
Unit
ns
ns
ns
ns
18–9