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ZEN2041F Datasheet دیتاشیت PDF دانلود

دیتاشیت - Zenic - Programmable Universal Counter

شماره قطعه ZEN2041F
شرح مفصل Programmable Universal Counter
تولید کننده Zenic 
آرم Zenic 


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ZEN2041F شرح
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ZEN2041F
P ROGRAMMABLE UNIVE RSAL COUNTE R
Description
ZENIC ZEN2041F is a pr ogr a m m a ble u n iver sa l cou n t er LSI.
TH E ZEN2041F cou n t s ph a se-sh ift ed sign a ls a n d u p/down pu lse sign a ls, gen er a t ed fr om r ot a r y en coder s or
lin ea r sca les.
Sin ce t h e cou n t er r espon se speed is a s h igh a s 20MH z(MAX),t h e ZEN2041F is u sed in a va r iet y of h igh speed
ser vices in clu din g digit a l ser vo con t r ol a n d pr ecision m ea su r em en t .
TH E ZEN2041F is pr ovided wit h a fu n ct ion wh ich m on it or s t h e in pu t sign a ls a n d det ect s a n y a bn or m a l in pu t
a ccom pa n ied wit h n oise or ot h er dist u r ba n ces, so t h a t t h e r elia bilit y of cou n t ed va lu es a r e secu r ed.
1. Features
Select a ble cou n t r esolu t ion a n d ch a n n els.
16bit Λ4ch . or 32bit Λ2ch . or
16bit Λ2ch . + 32bit Λ1ch .
Cou n t r espon se speed:
20Mcps.(MAX.) ( CLK f0 = 20MH z a t 50% du t y)
In pu t fr equ en cy of cou n t pu lse.
P h a se-sh ift ed sign a l in pu t :
A/B ph a se in pu t DC~ 5MH z.
(less t h a n f0 Λ1/4)
U p/down pu lse sign a l in pu t :
U p/down in pu t DC~ 10MH z
(less t h a n f0 Λ1/2)
CLK fr equ en cy DC~ 20MH z.
(MAX.:du t y r a t io 50%)
Dir ect ion r ecogn it ion for u p/down cou n t in g
Abn or m a l in pu t det ect ion cir cu it .
P r eloa d r egist er for t h e u p/down cou n t er .
La t ch r egist er for t h e u p/down cou n t er .
Refer en ce va lu e - cou n t va lu e coin ciden ce
det ect ion fu n ct ion .
On -ch ip st a t u s r egist er .
Cou n t er oper a t ion m ode.
E dge eva lu a t ion select ion : 1/2/4 .
(on ly for ph a se-sh ift ed sign a l in pu t )
Cou n t dir ect ion select ion .
Cou n t er clea r con t r ol:syn ch r on ou s/
a syn ch r on ou s clea r .
Select a ble 16/8 bit da t a bu s.
Low power CMOS t ech n ology.
TTL com pa t ible.
Sin gle 5V power su pply.
100 pin QFP.
Typical Applications
F or Mu lt i ch a n n el
NC m a ch in e t ools
P r ecision posit ion er s
Robot a r m con t r oller s
Speed con t r oller s for r ot a t in g m a ch in es
E lect r on ic ga u ges
F r equ en cy cou n t er s
Pin configuration
(Top View)
LT1
LD1
DI R1
MD1
EP1 / O1 2
VDD
P10
P11
C1
S0
LT0
LD0
DI R0
MD0
C0
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
5 0 MD2
4 9 DI R2
48
47
4 6 D1 5
4 5 D1 4
4 4 D1 3
4 3 D1 2
4 2 D1 1
4 1 VSS
4 0 VDD
3 9 D1 0
3 8 D9
3 7 D8
3 6 AD5
3 5 AD4
3 4 AD3
3 3 AD2
3 2 AD1
3 1 AD0
(Z2041B98)ZENIC Inc.
-1-

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