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Datasheet: ZEN2014F (Zenic)

24bit * 1ch. 33MHz Up/down Counter

 

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- 1 -
24LSI
ZEN2014F
2
33Mcps(Max)4
ZEN2011P
ZEN2011P
24
33Mcps Max f =33MHz Max,50%
2
DC 8.25MHz Max (f 1/4)
DC16.50MHz Max (f 1/2)
2
2
1/2/42

24
0
1


1
0
2
2OR
24
24

8
CMOS
+5V
QFP44PIN
ZEN2011P
ZEN2011P
(Top View)
Vss
B/DN
N.C.
C/D
Vss
A/UP
Vdd
WR
RD
Vss
N.C.
Vdd
Vss
1
D0
Vss
Vd
d
SEL0
ZEN2014F
RES
ET
UD
/AB
N.C
.
Vd
d
CL
K
Vss
N.C
.
DI
R
LT
LD
TEST
I
Z/CLR
11
12
22
23
33
34
44
D1
D2
D3
D4
D5
D6
D7
N.C.
CE
SEL1
SEL2
TEST0
TEST1
EXTB
EXTA
Z2014J99 ZENIC INC.
(
)
- 2 -
*
EXTA
EXTB
LT
LD
(8)
C/D
WR
RD
CE
(8)
*
(8)
EQA
EQB
-A
(24)
24
-A
*
-B
(24)
*
24
-B
(24)
RESET
SEL0SEL2
UD/AB
DIR
(24)
AI
A/UP
UP PULSE
B/DN
DOWN PULSE
Z/CLR
COUNTER CLEAR
CLK
(24)
VDD
VSS
D7D0
Z2014J99 ZENIC INC.
(
)
- 3 -
Z2014J99 ZENIC INC.
(
)
EXTA
43
(EQA)

(EQA)
(EQA+EQB)EQA(INTEQA)
()
CLK
29
RESET
33
CE
16
( or )
C/D
18
()
RD
14
WR
15
C/D,RD,WR"-"
(24)
LD
24

(24)
LT
25

D0
1
2
D1
3
D2
4
D3
7
D4
8
D5
9
D6
10
D7
EXTB
42
U



(EQB)AI
(INTAI)EQB(INTEQB)
EXTA,EXTB"-
()"
- 4 -
Z2014J99 ZENIC INC.
(
)
Z/CLR
37

()
2(B)
B/DN
36
2(A)
A/UP
35
SEL0SEL1SEL2(2
SEL0
19
20
"-
SEL1
)
21
"
SEL2
DIR
26



"1"2
CW(A90)UP
B="1"A
UD/AB
32
"-"
Vss
6
13
22
28
34
44
Vdd
5
17
30
39
N.C.
11
12
27
31
38
TEST0
40
TEST1
41
23
TESTI
) N.C.
- 5 -
Z2014J99 ZENIC INC.
(
)
ZEN2014F


-
C/D,CE,RD,WR
CE
C/D
RD
WR
1
*
*
*
( : Hi-Z)
0
0
0
1
0
0
1
0
0
1
0
1
0
1
1
0
) *
-
ZEN2014F

(:90H )
--
()
ZEN2001P
EXTBU
1
(:91H )
--

EXTBEXTAEXTB

2
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