MT8809 Zarlink Semiconductor, MT8809 Datasheet - Page 2

• Manufacturer Part Number: MT8809
• Description: 8 X 8 Analog Switch Array With Low On-resistance, For VDD = 4.5 V to 13.2 V, With Chip Select
• Manufacturer: Zarlink Semiconductor

MT8809
2
Pin Description
27, 28
20-23
24-26
Pin #
11-18
6-9
10
19
1
2
3
4
5
AY0, AY1 AY0 and AY1 Address Lines (Inputs).
STROBE STROBE (Input): enables function selected by address and data. Address must be stable
AX0-AX2 AX0 - AX2 Address Lines (Inputs).
RESET Master RESET (Input): this is used to turn off all switches regardless of the condition of
Y7 - Y0 Y7 - Y0 Analog (Inputs/Outputs): these are connected to the Y0 - Y7 columns of the
X0, X2,
X7, X5,
X4, X6
X3, X1
Name
DATA
AY2
V
V
STROBE
CS
DD
SS
RESET
ISO-CMOS
DATA
VSS
AY2
CS
X0
X2
X4
X6
Y7
Y6
Y5
Y4
AY2 Address Line (Input).
before STROBE goes low and DATA must be stable on the rising edge of STROBE.
Active Low.
Chip Select (Input): this is used to select the device. Active Low.
DATA (Input): a logic high input will turn on the selected switch and a logic low will turn off
the selected switch. Active High.
Ground Reference.
X0, X2, X4 and X6 Analog (Inputs/Outputs): these are connected to the X0, X2, X4 and
X6 rows of the switch array.
CS. A 100kΩ internal pull-up resistor is also provided. This can be used in conjunction
with a 0.1µF capacitor (connected to the RESET pin) to perform power-on reset of the
device. Active Low.
switch array.
Positive Power Supply.
X7, X5, X3 and X1 Analog (Inputs/Outputs): these are connected to the X7, X5, X3 and
X1 rows of the switch array.
28 PIN PLASTIC DIP
10
11
12
13
14
1
2
3
4
5
6
7
8
9
28
27
26
25
24
23
22
21
20
19
18
17
16
15
AY1
AY0
AX2
AX1
AX0
X1
X3
X5
X7
VDD
Y0
Y1
Y2
Y3
Figure 2 - Pin Connections
RESET
Description
VSS
X0
X2
X4
X6
Y7
5
6
7
8
9
10
11
28 PIN PLCC
•
25
24
23
22
21
20
19
AX1
AX0
X1
X3
X5
X7
VDD
Data Sheet