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參數(shù)資料
| 型號： | M34116 |
| 廠商： | 意法半導體 |
| 英文描述： | PCM CONFERENCE CALL AND TONE GENERATION CIRCUIT |
| 中文描述： | 的PCM電話會議和音產(chǎn)生電路 |
| 文件頁數(shù)： | 5/23頁 |
| 文件大?。?/td> | 374K |
| 代理商： | M34116 |
ELECTRICALCHARACTERISTICS
(Tamb = 0 to 70
°
C, V
CC
= 5V
±
5%)
All DC characteristic are valid 250
μ
s after V
CC
and clock have been applied. C
L
is the max. capacitive
load and R
L
the test pull up resistor.
Signal
CK
Up to
4.096MHz
Symbol
t
CK
t
WL
t
WH
t
R
t
F
t
CK
t
WL
t
WH
t
R
t
F
t
SL
t
HL
t
SH
t
WH
t
S
t
H
t
PD min.
Parameter
Test Condition
Min.
230
100
100
Typ.
Max.
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Clock Period
Clock Low Level Width
Clock High Level Width
Rise Time
Fall Time
Clock Period
Clock Low Level Width
Clock High Level Width
Rise Time
Fall Time
Low Level Set-up Time
Low Level Hold Time
High Level Set-up Time
High Level Width
Set-up Time
Hold Time
Propagation Time Low
Level referred to CK
25
25
CK
8.192MHz
120
50
50
10
10
SYNC
See note 1
30
30
30
t
CK
35
35
40
PCM
Input
PCM
Output
(Open
drain)
t
PD max.
Propagation Time High
level Referred to CK
Low Level Set-up Time
Low Level Hold Time
High Level Set-up Time
High Level Width
Low Level Width
High Level Width
Repetition interval
between active pulses.
High Level st-up time to
active read strobe.
High Level hold time to
active read strobe.
Rise Time
Fall Time
Low Level Width
High Level Width
Repetition interval
between active pulses.
High Level st-up time to
active read strobe.
High Level hold time to
active read strobe.
Rise Time
Fall Time
C
L
= 50pF R
L
= 1K
180
ns
RESET
t
SL
t
HL
t
SH
t
WH
t
WL
t
WH
t
REP
note 6
50
30
30
t
CK
150
200
500
ns
ns
ns
ns
ns
ns
ns
WR
t
SH
t
HH
t
R
t
F
t
WL
t
WH
t
REP
note 3 and 4
0
20
60
60
ns
ns
ns
ns
ns
ns
ns
RD
t
SH
t
HH
t
R
t
F
note 5
180
200
4 t
CK
0
20
60
60
ns
ns
ns
ns
Notes:
1. With Extra Bit operating mode insert this time becomes 3 t
.
2. With Extra Bit operating mode insert these times are 80ns longer.
3. With OPCODE (C/D = I), this time becomes 4tck (6tck if E =1). E: extra bit indication in ”operating mode” instruction.
4. For tone generation instruction, this time becomes 4tck (6tck if E = 1) E: extra bit indication in ”operating mode” instruction.
5. With extra bit operating mode insert, this time becomes 6tck.
6. The initializationroutine takes2 frames time starting from the rising edge of RESET - Anyaccess to the device should take place after the
initialization routine is completed. (2 frames time).
M34116
5/23
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