參數(shù)資料
型號: MIC50399CN
廠商: MICREL INC
元件分類: 通用總線功能
英文描述: Replaced by PTN78060W,PTN78060H :
中文描述: 50399 SERIES, SYN POSITIVE EDGE TRIGGERED 6-BIT BIDIRECTIONAL DISPLAY DRIVER COUNTER, PDIP28
封裝: PLASTIC, DIP-28
文件頁數(shù): 6/6頁
文件大?。?/td> 71K
代理商: MIC50399CN
MIC50398/50399
Dynamic Operating Conditions
Micrel
8
August 1998
8-15
Symbol
Parameter
Min
Max
Units
Notes
f
CI
f
SI
t
CPW
t
SPW
t
SS
t
CIS
t
UDS
t
CPW
t
CS
t
OA
t
OH
t
CA
t
CH
t
L
Count Input Frequency
0
1.5
MHz
7,8
Scan Input Frequency
0
20
kHz
Count Pulse Width
325
ns
9
Store Pulse Width
2.0
μ
s
Store Setup Time
0
μ
s
10
Count Inhibit Setup Time
0
μ
s
10
Up/Down setup Time
–0.75
μ
s
10
Clear Pulse Width
2.0
μ
s
10
Clear Setup Time
–0.5
μ
s
10
Zero Access Time
3.0
μ
s
10 MIC50399 only
Zero Hold Time
1.5
μ
s
10 MIC50399 only
Carry Access Time
1.5
μ
s
10
Carry Hold Time
0.9
μ
s
11
Load Time
1/6 f
SI
12
Note 7:
Measured at 50% duty cycle.
Note 8:
If carry or zero outputs are used, the count frequency will be limited by their respective output times.
Note 9:
The count pulse width must be greater than the carry access time when using the carry output.
Note 10:
The positive edge of the count input is the t = 0 reference.
Note 11:
Measured from negative edge of count input.
Note 12:
Time to load one digit.
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