W91031S Winbond Electronics, W91031S Datasheet - Page 3

• Manufacturer Part Number: W91031S
• Manufacturer: Winbond Electronics

Specifications of W91031S

• Process Technology: CMOS
• Operating Frequency (max): 3580kHz
• Mounting: Surface Mount
• Supply Current: 2.5mA
• Lead Free Status / Rohs Status: Not Compliant

PIN CONFIGURATION
PIN DESCRIPTION
PIN
10
1
2
3
4
5
6
7
8
9
RNGON
RNGRC
RNGDI
TEST1
MODE
NAME
GCFB
VREF
OSCI
INP
INN
TYPE
O
O
O
O
I
I
I
I
I
I
Non-inverting Input of the gain control op-amp.
Inverting Input of the gain control op-amp.
Op-amp Feed-back Gain Control signal. Select the input gain by
connecting this pin and the INN pin with a feed-back resistor. It is
recommended that the op-amp be set to unity gain.
Reference Voltage. Nominally, V
control op-amp.
Test pin, Must be connected to V
Ring Detect Input (Schmitt trigger input). Used for ring detection and line
reversal detection. Must maintain a voltage between V
Ring RC (Open drain output and schmitt trigger input). Used to set the
time interval from the end of RNGDI pin to the inactive condition of the
RNGON pin. An external resistor must connected to V
connected to V
Ring detection output (Low active). Indicates the detection of line reversal
and/or ringing.
FSK Data interface MODE select. Sets the FSK data output interface in
mode 0 when low, or in mode 1 when high.
Oscillator Input. A 3.579545 MHz crystal or ceramic resonator should be
connected between this pin and the OSCO pin. May be driven by an
external clock source.
RNGRC
RNGON
RNGDI
TEST1
MODE
OSCO
GCFB
VREF
OSCI
V
INN
INP
SS
1
2
3
4
5
6
7
8
9
10
11
12
SS
, the time interval is the RC time constant.
Top View
W91031
- 3 -
DESCRIPTION
24
23
22
21
20
19
18
17
16
15
14
13
DD
DD
/2 is used to bias the input of the gain
for normal operation.
TEST2
V
ALGRC
ALGR
ALGO
INTN
FDRN
FCDN
DATA
DCLK
FSKE
SLEEP/RESET
DD
Publication Release Date: August 2000
Preliminary W91031
DD
DD
and a capacitor
and V
SS
Revision A1
.