MT8880CE1 Zarlink, MT8880CE1 Datasheet - Page 16

• Manufacturer Part Number: MT8880CE1
• Description: DTMF TXRX 3.58MHz CMOS 5V 20-Pin PDIP Tube
• Manufacturer: Zarlink

Specifications of MT8880CE1

• Package: 20PDIP
• Operating Frequency: 3.58 MHz
• Typical Supply Current: 11 mA
• Typical Operating Supply Voltage: 5 V
• Minimum Operating Supply Voltage: 4.75 V
• Maximum Operating Supply Voltage: 5.25 V

TEST POINT
130 pF
Test load for D0-D3 pins
MMD6150
(or equivalent)
6802
Address
24 kΩ
VMA
Data
R/W
IRQ
E
Peripheral decode
5.0 VDC
2.4 kΩ
Figure 15 - MT8880C to 6802 Interface
MMD7000
(or equivalent)
Zarlink Semiconductor Inc.
Figure 14 - Test Circuit
MT8880C
16
+5 V
TEST POINT
3.3k
Test load for IRQ/CP pin
IRQ
RS0
CS
R/W
Φ2
Data
MT8880C
5.0 VDC
3 kΩ
70 pF
Data Sheet