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PDF W551C320 Data sheet ( Hoja de datos )

Número de pieza W551C320
Descripción Serial Voice Memory
Fabricantes Winbond 
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No Preview Available ! W551C320 Hoja de datos, Descripción, Manual

W551CXXX Data Sheet
Table of Contents-
SERIAL VOICE MEMORY
1. GENERAL DESCRIPTION ......................................................................................................... 2
1.1 W551Cxxx Features Description .................................................................................... 2
1.2 W551Cxxx Pad Description ............................................................................................ 3
1.2.1 W551C002/005/010/020/040/060/080 Pad Description....................................................3
1.2.2 W551C160/240/320 Pad Description ...............................................................................4
2. FUNCTION DESCRIPTION ........................................................................................................ 5
2.1 W551Cxxx System Block Diagram ................................................................................. 5
2.2 W551Cxxx Serial Read Mode......................................................................................... 7
2.3 W551Cxxx Self-test Mode .............................................................................................. 9
3. ELECTRICAL CHARACTERISTICS......................................................................................... 10
3.1 W551Cxxx Absolute Maximum Ratings ....................................................................... 10
3.2 W551Cxxx DC Characteristics ..................................................................................... 10
3.3 W551Cxxx AC Characteristics...................................................................................... 11
4. TIMING WAVEFORM ............................................................................................................... 12
5. APPLICATION CIRCUITS ........................................................................................................ 15
6. REVISION HISTORY ................................................................................................................ 17
Publication Release Date: October 3, 2005
- 1 - Revision A2

1 page




W551C320 pdf
W551CXXX
2. FUNCTION DESCRIPTION
This section provides the system block diagrams, followed by explanations of each mode. Note that
serial check-sum output mode is not discussed in these latter sections, as it is only used in
manufacturing testing.
2.1 W551Cxxx System Block Diagram
W551Cxxx BLOCK DIAGRAM
ADDR
DATA
CLK
Shift Register/
Address Counter
Decoder
Output Buffer
Core Array
TEST
TEST_OUT
Control
Page Code
Comparator
POR
Note: this diagram does not include the W551C160/240/320. That block diagram is shown on the next page.
Publication Release Date: October 3, 2005
- 5 - Revision A2

5 Page





W551C320 arduino
W551CXXX
3.3 W551Cxxx AC Characteristics
VDD = 4.5V TA = 25° C
PARAMETER
SYMBOL CONDITION MIN.
Clock frequency of ADDR
FADDR
-
-
Clock frequency of CLK
FCR
-
-
Interval time between ADDR
and CLK
TI
Read mode
1
Interval between DATA to
another pin active
TCFA
-
10
Data access time
TRA
Read mode
-
Data setup time
TAS Address shift-in 250
Data hold time
TRH
TAH
Read mode
0
Address shift-in 10
Self-test time
TTEST Self-test mode
Transmission Time of
DATA1 to DATA2
DATA2 to DATA1
(VDD = 2.4 V)
BS Switch Time (Fclk = 1 MHz)
CS Switch Time (Fclk = 1 MHz)
TD12
TD21
TBS1
TBS2
TCS1
TCS2
35
Cascade mode
20
Read mode 500
Read mode 500
TYP.
-
-
-
-
-
-
-
-
500
MAX.
1
1
-
-
500
-
-
-
1300
(W551C320)
UNIT
MHz
MHz
uS
uS
nS
nS
nS
nS
mS
nS
nS
nS
- 11 -
Publication Release Date: October 3, 2005
Revision A2

11 Page







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