ZL49010/11, ZL49020/21, ZL49030/31

Data Sheet

3

Zarlink Semiconductor Inc.

Change Summary

The following table summarizes the changes from the July 2006 issue.

16

15

7

7

ESt

(ZL490x0)

DStD

(ZL490x1)

Early Steering Output. A logic high on ESt indicates that

a DTMF signal is present. ESt is at logic low in

powerdown state.

Delayed Steering Output. A logic high on DStD

indicates that a valid DTMF digit has been detected. DStD

is at logic low in powerdown state.

18

18

8

8

Positive Power Supply (5 V Typ.) Performance of the

device can be optimized by minimizing noise on the

are therefore recommended.

1,2,5,9,

10,11,12,

15,17,19,20

1,5,7,8,

10, 12,

14,16,

17

--

NC

No Connection. Pin is unconnected internally.

43

-

2

PWDN Power Down Input. A logic high on this pin will power

down the device to reduce power consumption. This pin

is pulled down internally and can be left open if not used.

ACK pin should be at logic ’0’ to power down device.

Device

Type

8 Pin

18 Pin

20 Pin

PWDN

2 Pin

OSC

Ext

CLK

ESt

DStD

ZL49010

x

x

x

x

ZL49011

x

x

x

x

ZL49020

x

x

x

x

ZL49021

x

x

x

x

ZL49030

xxxxxx

ZL49031

xxxxx

x

Table 1 - Summary of ZL490x0/1 Product Family

Page

Item

Description

2

Figure 2

Added ordering codes to Pin Connection diagram.

2

Pin Description

Added 20 pin description to the table.

Pin Description (continued)

Pin #

Name

Description

4903xDD

4903xDC

4902x

4901x