Operating instructions
5-8
DFP-R3000
IC
SN74AHCT125PW-E05
GA Y
00
HI-Z
1
0
1
x
HI-Z
: LOW LEVEL
: HIGH LEVEL
: DON’T CARE
: HIGH IMPEDANCE
V
DD
GND
10 9 8
7651234
111214 13
x1
10
0
YA
G
C-MOS BUS BUFFER GATES WITH 3-STATE OUTPUT
—TOP VIEW—
SN74HC139ANS (TI)FLAT PACKAGE
SN74HC139ANS-E05
116
2EN
IN
152
2B
IN
143
2Y0
OUT
134
125
116
107
98
1EN
IN
V
DD
4
5
2
3
A
B
Y0
Y1
GND
1A
IN
1B
IN
1Y0
OUT
1Y1
OUT
1Y2
OUT
1Y3
OUT
2A
IN
2Y1
OUT
2Y2
OUT
2Y3
OUT
Y2
6
Y3
79
Y3
10
Y2
Y1
Y0
B
A
13
14 11
12
EN
115
EN
INPUTS
BAEN
OUTPUTS
Y2 Y0Y1Y3
1101000
0
0
0
0
1
1
1
1
111
0
1
xx
1
1
1
111
1
1
10
0
0
1
C-MOS DUAL 2-TO-4 DECODER/DEMULTIPLEXER
—TOP VIEW—
0
1
x
: LOW LEVEL
: HIGH LEVEL
: DON’T CARE
SN74HC74ANS (TI)FLAT PACKAGE
SN74HC74ANS-E05
S
D
0
1
0
1
1
1
R
D
1
0
0
1
1
1
CK
x
x
x
0
D
x
x
x
1
0
x
Qn+1
1
0
1
1
0
Qn
Qn+1
0
1
1
0
1
Qn
INPUTS OUTPUTS
0
1
x
: LOW LEVEL
: HIGH LEVEL
: DON’T CARE
2
3
5
1
6
12
11
9
13
4
10
8
R
D
R
D
D
D
Q
Q
Q
Q
S
D
S
D
R
D
S
D
Q
D
Q
R
D
S
D
Q
D
Q
14 13
V
DD
GND
12 11 10 9 8
7654321
C-MOS DUAL D-TYPE FLIP-FLOPS WITH DIRECT SET/RESET
—TOP VIEW—
STK22C48-S45 (SIMTEK)
10
9
8
7
6
5
4
3
25
24
21
1
26
27
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
VCAP
HSB
WE
DO0
DO1
DO2
DO3
DO4
DO5
DO6
DO7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
NC
GND
INPUT
A0 - A10
CE
HSB
OE
VCAP
WE
INPUT/OUTPUT
DO0
-
DO7
: ADDRESS
: CHIP ENABLE
: HARDWARE STROBE/BUSY
: OUTPUT ENABLE
: CAPACITOR
: WRITE ENABLE
: DATA
VCAP
A7
A6
A5
A4
A3
A2
A1
A0
DO0
DO1
DO2
WE
HSB
A8
A9
OE
A10
CE
DO7
DO6
DO5
DO4
DO3
STK22C48-S45
IL08
C-MOS (2 K x 8)-BIT NONVOLATILE SRAM
—TOP VIEW—
V
DD
NC
11
12
13
15
16
17
18
19
20
CE
22
OE
TC7ST08FU(TE85R)
1
2
GND 3
5 V
DD
4
A
B
A
B
Y =
2
1
4
Y
A
0
0
1
1
B
0
1
0
1
Y
0
0
0
1
0 : LOW LEVEL
1 : HIGH LEVEL
Y = A • B = A + B
C-MOS 2-INPUT AND GATE
—TOP VIEW—