參數(shù)資料
型號: CDP1851E
廠商: HARRIS SEMICONDUCTOR
元件分類: 微控制器/微處理器
英文描述: CMOS Programmable I/O Interface
中文描述: 20 I/O, PIA-GENERAL PURPOSE, PDIP40
文件頁數(shù): 13/14頁
文件大?。?/td> 56K
代理商: CDP1851E
4-17
Minimum Pulse Widths:
CLOCK
t
WCL
5
-
75
120
-
75
120
ns
10
-
40
60
-
-
-
ns
STROBE
t
WST
5
-
100
150
-
100
150
ns
10
-
50
75
-
-
-
ns
WRITE (Note 3)
t
WW
5
-
175
275
-
175
275
ns
10
-
90
150
-
-
-
ns
NOTES:
1. Typical values are for T
A
= 25
o
C and nominal voltages.
2. Maximum limits of minimum characteristics are the values above which all devices function.
3. WRITE is the overlap of RD/WE = 0 and WR/RE = 1.
Dynamic Electrical Specifications
At T
A
= -40
o
C to +85
o
C, V
DD
±
5%, t
R
, t
F
= 20ns, V
IH
= 0.7 V
DD
, V
IL
= 0.3 V
DD
, C
L
= 100pF
PARAMETERS
V
DD
(V)
LIMITS
UNITS
CDP1851
CDP1851C
MIN
(NOTE 1)
TYP
(NOTE 2)
MAX
MIN
(NOTE 1)
TYP
(NOTE 2)
MAX
CDP1851, CDP1851C
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