Z0221524ASCR50A5TR Zilog, Z0221524ASCR50A5TR Datasheet - Page 69

• Manufacturer Part Number: Z0221524ASCR50A5TR
• Description: IC MODEM CTRL 2400BPS 44LQFP
• Manufacturer: Zilog

Specifications of Z0221524ASCR50A5TR

• Data Format: V.21, V.22, V.23, Bell 103, Bell 212A
• Baud Rates: 2.4k
• Interface: Serial
• Voltage - Supply: 4.5 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 44-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: Z0221524ASCR50A5T

PS001907-0904
Description (Read Cycle)
CS, A0, or RD to Data valid
Data hold from CS, A0, or RD
CS, and A0 setup before WR
Data setup before WR
Data hold from WR
WR pulse width
D(7..0) out
D(7..0) in
WR
CS
RD
A0
Figure 12. Parallel Port Timing
Table 17. Serial Interface Timing
Table 18. Parallel Interface Timing
Description
RXD Data Valid Delay Time
TXD Data Setup Time
TXD Data Hold Time
A
Single Chip Modem with Integrated Controller, Data Pump, and AFE
Parameter
A
B
C
D
E
F
B
Parameter Minimum
1
2
3
Minimum
0
15
5
5
10
–
100
100
C
D
Typical
Typical Maximum
12
–
–
F
E
Maximum
25
–
–
–
Capacitance
ns
Units
ns
ns
ns
ns
ns
Z02215
Units
ns
ns
ns
63