Z16C3516VSG Zilog, Z16C3516VSG Datasheet - Page 114

• Manufacturer Part Number: Z16C3516VSG
• Description: IC 16MHZ Z8500 CMOS ISCC 68-PLCC
• Manufacturer: Zilog
• Series: IUSC™r

Specifications of Z16C3516VSG

• Controller Type: Serial Communications Controller (SCC)
• Interface: USB
• Voltage - Supply: 4.75 V ~ 5.25 V
• Current - Supply: 50mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 68-LCC (J-Lead)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 269-4690-5; Z16C3516VSG

Application Note
Interfacing Z80
During RETI cycles, the IEO line from the Z8500 peripherals
does not change state as in the Z80 peripherals. As long as
the peripherals are at the top of the daisy chain, propagation
delays are minimized.
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EXTERNAL INTERFACE LOGIC (Continued)
Figure 11. Z80H to Z8500/Z8500A Peripheral Interrupt Acknowledge Interface Logic
®
CPUs to the Z8500 Peripheral Family
The logic necessary to create the control signals for both
Z80 and Z8500 peripherals is shown in Figure 9. This logic
delays the generation of /IORQ to the Z80 peripherals by
the same amount of time necessary to generate /READ for
the Z8500 peripherals. Timing for this logic during an
Interrupt Acknowledge cycle is depicted in Figure 10.
UM011001-0601