MT8889CS1 Zarlink, MT8889CS1 Datasheet - Page 22

• Manufacturer Part Number: MT8889CS1
• Description: DTMF TXRX 3.579MHz CMOS 5V 20-Pin SOIC Tube
• Manufacturer: Zarlink

Specifications of MT8889CS1

• Package: 20SOIC
• Operating Frequency: 3.579 MHz
• Typical Supply Current: 7 mA
• Typical Operating Supply Voltage: 5 V
• Minimum Operating Supply Voltage: 4.75 V
• Maximum Operating Supply Voltage: 5.25 V

Note:
DS
Q clk*
A0-A15
(RS0)
R/W(read)
Read Data
(D3-D0)
R/W (write)
Write data
(D3-D0)
CS = (E + Q).Addr [MC6809]
CS = VMA.Addr [MC6800, MC6802]
*microprocessor pin
t
DSW
DS/RD/WR
is from data to DS falling edge; t
Figure 19 - MC6800/MC6802/MC6809 Timing Diagram
CSH
Figure 18 - DS/RD/WR Clock Pulse
is from DS rising edge to CS rising edge
t
AS
Zarlink Semiconductor Inc.
t
t
R
AS
MT8889C
t
RWS
t
CSS
22
t
t
CH
CSS
t
CYC
t
16 bytes of Addr
F
t
AH
t
AH
t
CSH
t
t
CL
DDR
t
DSW
t
CSH
t
t
DHW
DHR
Data Sheet
t
RWH