參數(shù)資料
型號: ADSP-2184L
廠商: Analog Devices, Inc.
英文描述: LM2941/LM2941C 1A Low Dropout Adjustable Regulator; Package: TO-220; No of Pins: 5; Qty per Container: 45; Container: Rail
中文描述: DSP的微機
文件頁數(shù): 15/31頁
文件大?。?/td> 216K
代理商: ADSP-2184L
ADSP-2184L
–15–
REV. 0
TIMING PARAMETERS
Parameter
Min
Max
Unit
Clock Signals and Reset
Timing Requirements
:
t
CKI
t
CKIL
t
CKIH
CLKIN Period
CLKIN Width Low
CLKIN Width High
50
20
20
150
ns
ns
ns
Switching Characteristics:
t
CKL
t
CKH
t
CKOH
CLKOUT Width Low
CLKOUT Width High
CLKIN High to CLKOUT High
0.5 t
CK
– 7
0.5 t
CK
– 7
0
ns
ns
ns
20
Control Signals
Timing Requirements
:
t
RSP
t
MS
t
MH
RESET
Width Low
1
Mode Setup before
RESET
High
Mode Setup after
RESET
High
5 t
CK
2
5
ns
ns
ns
NOTE
1
Applies after power-up sequence is complete. Internal phase lock loop requires no more than 2000 CLKIN cycles assuming stable CLKIN (not including crystal
oscillator start-up time).
t
RSP
t
CKOH
t
CKH
t
CKI
t
CKIH
t
CKIL
t
CKL
t
MH
t
MS
CLKIN
CLKOUT
PF(2:0)
*
RESET
*
PF2 IS MODE C, PF1 IS MODE B, PF0 IS MODE A
Figure 9. Clock Signals
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