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IC
MSM62X42BRS-A (OKI)
C-MOS REAL TIME CLOCK WITH CRYSTAL OSCILLATOR
–TOP VIEW–
V
DD
STD.P
1
18
(+5V)
CS0
2
(V
)
17
DD
ALE
3
(V
)
16
DD
A0
4
15
CS1
A1
5
14
D0
A2
6
13
D1
A3
D2
7
12
RD
8
11
D3
GND
9
10
WR
INPUT
A0–A3
; ADDRESS BUS IN
ALE
; ADDRESS LATCH ENABLE IN
CS1,CS0
; CHIP SELECT IN
RD
; READ IN
WR
; WRITE IN
INPUT/OUTPUT
D0–D3
; DATA BUS IN/OUT
OUTPUT
STD.P
; STANDARD PULSE OUT
CLOCK
HOLD
HOLD
BUSY
1Hz
BIT
BIT
COUNTER
ADJ
BIT
RESET
STOP
30SEC
BIT
BIT
BIT
OSC
SECONDS MINUTES HOURS
32.768KHz
10
WR
GATE
8
RD
2
SECOND CARRY
CS0
7
A3
S1~
6
A2
CF
5
A1
4
A0
3
ALE
ALE
15
CS1
NE5532P (TI)
LOW NOISE OPERATIONAL AMPLIFIER
–TOP VIEW–
V
CC
1
8
(+3 to +20V)
2
– +
7
3
+
–
6
V
EE
4
5
(-3 to -20V)
6-8
4
1
A0
STD.P
5
A1
6
A2
7
A3
14
D0
13
D1
12
D2
11
D3
8
RD
10
WR
2
CS0
15
CS1
3
ALE
CONTROL
REGISTER
D
E
F
30 SEC
ADJ BIT
24/12
BIT
DAYS
MONTHS
64Hz
CARRY
MINUTE CARRY
HOUR CARRY
NJM4560D-D (JRC)
DUAL OPERATIONAL AMPLIFIER
— TOP VIEW —
8
7
6
V
DD
(+15 V)
–
+
+
–
(–15 V)
1
2
3
PEEL18CV8P-25 (ICT)
PEEL18CV8PC-25
C-MOS ELECTRICALLY ERASABLE PROGRAMMABLE LOGIC DEVICE
–TOP VIEW–
CK
1
IN
IN 1
2
IN 2
3
IN 3
4
IN 4
5
IN 5
6
IN 6
7
IN7
8
IN 8
9
10
GND
*ABOVE DIAGRAM SHOWS CONDITIONS BEFORE PROGRAMMING.
YEARS
SN74HC00ANS (TI)FLAT PACKAGE
SN74HC00ANS-E05
C-MOS QUAD 2-INPUT NAND GATES
—TOP VIEW—
11
D3
12
D2
14
13
12
GATE
13
D1
V
DD
14
D0
1
STD.P
1
2
3
NOTE:
TYPE
TC74AC00 TYPE
TC74VHC00
MC74HCT00N
74ACT00 TYPE
OTHER TYPES
5
V
EE
4
V
DD
1
20
CK
(+5V)
19
I/O 8
18
I/O 7
17
I/O 6
2
3
16
I/O 5
4
AND
5
15
I/O 4
IN
LOGIC
6
ARRAY
7
I/O 3
14
8
9
I/O 2
13
11
I/O 1
12
11
IN 9
10
GND
11
10
9
8
A
Y =
B
Y = A • B = A + B
A
B
Y
0
0
1
GND
0
1
1
4
5
6
7
1
0
1
0 ; LOW LEVEL
1
1
0
1 ; HIGH LEVEL
V
DD
+2 to +5.5V
+5V
+4.5 to +5.5V
+2 to +6V
20
V
DD
(+5V)
CK
19
18
17
16
I/O
15
14
13
12
A
Y
B
BVS-A3232/V3232
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