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IC
TC74HC221AF (TOSHIBA)FLAT PACKAGE
C-MOS MONOSTABLE MULTIVIBRATOR WITH SCHMITT TRIGGER INPUT
—TOP VIEW—
R
C
V
DD
R
D
16
15
14
13
12
11
V
DD
(+2 to +6V)
Q
Q
R
D
1
2
3
4
5
6
A
B
R
D
TC74HC86AF (TOSHIBA)FLAT PACKAGE
SN74HC86ANS-E05
C-MOS QUAD EXCLUSIVE OR GATES
—TOP VIEW—
9
14
13
12
11
10
V
DD
1
2
3
4
5
6
NOTE :
TYPE
V
DD
TC74AC/VHC
+2V to +5.5V
+5V
TC74HCT
+2V to +6V
OTHER TYPES
TL7705CP-B (TI)
POWER VOLTAGE SUPERVISOR
–TOP VIEW–
V
CC
V-REF
1
8
OUT
(+3.5 to +18V)
RD
2
7
IN
C
3
6
T
4
GND
5
2
RD
7
SENSE
REFERENCE
VOLTAGE
1 V-REF
UPC311C (NEC)
VOLTAGE COMPARATOR
-TOP VIEW-
V
CC
1
GND
8
( +5 to +36V )
+
2
7
–
3
6
4
V
5
EE
6-12
B
A
INPUTS
OUTPUTS
10
9
R
A
B
Q
Q
D
0
X
X
0
1
X
1
X
0
1
X
X
0
0
1
1
0
1
1
0
1
GND
OUTPUT PULSE WIDTH = 0.7CR
7
8
V
DD
C
R
A
8
Y
B
Y = A • B + A • B
A
B
Y
0
0
0
0
1
1
1
0
1
0
;
LOW LEVEL
GND
1
;
HIGH LEVEL
1
1
0
7
2
6
RD
RESET
7
5
SENSE
RESET
SENSE
IN
3
1
C
V-REF
T
RESET
OUT
RESET
OUT
8
V
CC
6
RESET
5
RESET
4
GND
3 C
T
UPD70325L-10 (NEC)
C-MOS 16-BIT MICROPROCESSOR
–TOP VIEW–
11 10
9
12
13
14
15
0
; LOW LEVEL
1
; HIGH LEVEL
16
X
; DON'T CARE
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53
9
49
IC
IC
67
PT0
68
PT1
69
PT2
70
PT3
71
PT4
72
PT5
73
PT6
74
PT7
76
V
TH
4
P00
5
P01
6
P02
7
P03
8
P04
10
P05
11
P06
12
P07/CLKOUT
82
REFRQ
59
P10 / NMI
60
P11 / INTP0
61
P12 / INTP1
62
P13 / INTP2/INTAK
63
P14 / INT/POLL
64
P15 / TOUT
65
P16 / SCKO
66
P17 / READY
48
P20 / DMARQ0
51
P21 / DMAAK0
52
P22 / TC0
54
P23 / DMARQ1
55
P24 / DMAAK1
56
P25 / TC1
57
P26 / HLDAK
58
P27 / HLDRQ
78
X1
79
X2
RESET
81
8
7
6
5
4
3
2
1
84 83 82 81 80 79 78 77 76 75
A0–A19
; ADDRESS BUS OUTPUTS
53
75
CLKOUT
; SYSTEM CLOCK OUTPUT
IC
IC
44
T
D0
X
CTS0, CTS1
; CLEAR TO SEND INPUT/OUTPUT
47
T
D1
X
D0–D7
; DATA BUS INPUTS/OUTPUTS
41
R
D0
X
DMAAK0, DMAAK1
; DMA ACKNOWLEDGE CH0, CH1 OUTPUTS
45
R
D1
X
DMARQ0, DMARQ1
; DMA REQUEST CH0, CH1 INPUTS
43
CTS0
EA
; ROM-LESS MODE SET INPUT
46
CTS1
HLDAK
; HOLD ACKNOWLEDGE OUTPUT
HLDRQ
; HOLD REQUEST INPUT
3
EA
IC
; INTERNAL CONNECT
INTP0, INTP1
; INTERRUPT REQUEST INPUTS
2
MREQ
INTP2
; INTERRUPT REQUEST INPUT
84
MSTB
INTAK
; INTERRUPT ACKNOWLEDGE OUTPUT
1
IOSTB
IOSTB
; I/O READ/WRITE STROBE OUTPUT
83
R/W
MREQ
; MEMORY REQUEST OUTPUT
MSTB
; MEMORY READ/WRITE STROBE OUTPUT
21
A0
NMI
; NON-MASKABLE INTERRUPT INPUT
22
A1
P00–P07
; PORT 0 INPUTS/OUTPUTS
23
A2
P10–P17
; PORT 1 INPUTS/OUTPUTS
24
A3
P20–P27
; PORT 2 INPUTS/OUTPUTS
25
A4
PT0–PT7
; PORT 0 INPUTS
26
A5
INT/POLL
; INTERRUPT REQUEST INPUT
27
A6
READY
; READY INPUT
28
A7
REFRQ
; REFRESH REQUEST OUTPUT
29
A8
RESET
; RESET INPUT
30
A9
R/W
; READ AND WRITE CYCLE OUTPUT
31
A10
RXD0, RXD1
; SERIAL DATA INPUTS
32
A11
SCKO
; SERIAL CLOCK OUTPUT
33
A12
TC0, TC1
; DMA (CH0/CH1) ENDING OUTPUTS
34
A13
TOUT
; TIMER OUTPUTS
35
A14
TXD0, TXD1
; SERIAL DATA OUTPUTS
36
A15
V
; REF. V FOR COMPARATOR INPUT
TH
37
A16
X1, X2
; CRYSTAL 1, 2
38
A17
39
A18
40
A19
13
D0
14
D1
15
D2
16
D3
17
D4
18
D5
19
D6
20
D7
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
BVS-A3232/V3232
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