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參數(shù)資料
| 型號： | 73K321L |
| 廠商： | TDK Corporation |
| 英文描述： | Miniature Switch, High Precision |
| 中文描述： | 國際電話電報諮詢委員會.23，.21單芯片調(diào)制解調(diào)器 |
| 文件頁數(shù)： | 17/24頁 |
| 文件大?。?/td> | 140K |
| 代理商： | 73K321L |
73K321L
CCITT V.23, V.21
Single-Chip Modem
17
DYNAMIC CHARACTERISTICS AND TIMING
PARALLEL CONTROL INTERFACE
PARAMETER
CONDITION
MIN
NOM
MAX
UNIT
Timing
(Refer to Timing Diagrams)
CS
CS
setup before ALE Low
15
ns
TAL
ADDR
ADDR hold after ALE Low
CS/ADDR
hold after ALE Low
25
20
ns
ns
TLA
TLC
ALE Low to
RD
/
WR
Low
30
ns
TCL
RD
/
WR
Control to ALE High
-5
ns
TRD
Data out from
RD
Low
140
ns
TLL
TRDF
ALE width
Data float after
RD
High
30
ns
ns
90
TRW
RD
width
200
ns
TWW
WR
width
140
ns
TDW
Data setup before
WR
High
40
ns
TWD
Data hold after
WR
High
25
ns
NOTE: Asserting ALE,
CS
, and
RD
or
WR
concurrently can cause unintentional register accesses. When using
non-8031 compatible processors, care must be taken to prevent this from occurring when designing the
interface logic.
BUS TIMING DIAGRAM
(PARALLEL CONTROL MODE)
ALE
RD
WR
AD0-AD7
CS
ADDRESS
READ DATA
ADDRESS
WRITE DATA
TLL
TLC
TRW
TCL
TAL
TLA
TRD
TRDF
TLC
TWW
TDW
TWD
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 73K322L-IH | CCITT V.23, V.22, V.21 Single-Chip Modem |
| 73K322L-IP | CCITT V.23, V.22, V.21 Single-Chip Modem |
| 73K322L | CCITT V.23, V.22, V.21 Single-Chip Modem(CCITT V.23, V.22, V.21單片Modem) |
| 73M223 | 1200 Baud FSK Modem |
| 73M223-CL | 1200 Baud FSK Modem |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 73K321L-IH | 制造商:TDK 制造商全稱:TDK Electronics 功能描述:CCITT V.23, V.21 Single-Chip Modem |
| 73K321L-IP | 制造商:TDK 制造商全稱:TDK Electronics 功能描述:CCITT V.23, V.21 Single-Chip Modem |
| 73K322L | 制造商:TDK 制造商全稱:TDK Electronics 功能描述:CCITT V.23, V.22, V.21 Single-Chip Modem |
| 73K322L-IH | 制造商:TDK 制造商全稱:TDK Electronics 功能描述:CCITT V.23, V.22, V.21 Single-Chip Modem |
| 73K322L-IP | 制造商:TDK 制造商全稱:TDK Electronics 功能描述:CCITT V.23, V.22, V.21 Single-Chip Modem |
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