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參數(shù)資料
| 型號： | ADMCF341BR |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 數(shù)字信號處理 |
| 英文描述： | DashDSP⑩ 28-Lead Flash Mixed-Signal DSP with Enhanced Analog Front End |
| 中文描述： | 0-BIT, 10 MHz, OTHER DSP, PDSO28 |
| 封裝： | SOIC-28 |
| 文件頁數(shù)： | 4/36頁 |
| 文件大?。?/td> | 1106K |
| 代理商： | ADMCF341BR |
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REV. 0
–4–
ADMCF341
SPECIFICATIONS
(continued)
FLASH MEMORY
Parameter
Min
Typ
Max
Unit
Conditions/Comments
Endurance
Data Retention
Program and Erase Operating Temperature
Read Operating Temperature
10,000
15
0
–40
Cycles
Years
∞
C
∞
C
Cycle = Erase/Program/Verify
85
+85
Specifications subject to change without notice.
TIMING PARAMETERS
Parameter
Min
Max
Unit
Clock Signals
Signal t
CK
is defined as 0.5 t
CKIN
. The ADMCF341 uses an input clock with
a frequency equal to half the instruction rate; a 10 MHz input clock (which is
equivalent to 100 ns) yields a 50 ns processor cycle (equivalent to 20 MHz).
When t
CK
values are within the range of 0.5 t
CKIN
period, they should be
substituted for all relevant timing parameters to obtain specification value as
in the following example:
t
t
ns
ns
ns
ns
CKH
CK
=
-
=
￥
-
=
0 5
.
10
0 5
.
50
10
15
Timing Requirements:
t
CKIN
t
CKIL
t
CKIH
Switching Characteristics:
t
CKL
t
CKH
t
CKOH
Control Signals
Switching Characteristics
t
RSP
PWM Shutdown Signals
Switching Characteristics
t
PWMTPW
PWMTRIP
Width Low
CLKIN Period
CLKIN Width Low
CLKIN Width High
100
20
20
150
ns
ns
ns
CLKOUT Width Low
CLKOUT Width High
CLKIN High to CLKOUT High
0.5 t
CK
– 10
0.5 t
CK
– 10
0
ns
ns
ns
20
RESET
Width Low
5 t
CK
*
ns
t
CK
ns
*
Applies after power-up sequence is complete.
Specifications subject to change without notice.
CLKIN
CLKOUT
t
CKL
t
CKIL
t
CKH
t
CKIH
t
CKIN
t
CKOH
Figure 1. Clock Signals
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