Beck IPC@CHIP SC01 - 256 X 8 Bit I;O-Extension Using 74 HCT373;245

8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
10BaseTEXT0EXT1
256 x 8bit
I/O-Extension
(c) 1996 - 99 CHIPD1 0.5
IPC@CHIP SC12 circuit example
IPC GmbH
Germany - 35578 Wetzlar
Garbenheimer Strasse 38
A4
1 1Tuesday, November 23, 1999
Title
Size Document Number Rev
Date: Sheet of
AD0 AD0 A0
AD1 AD1 A1
AD2 AD2 A2
AD3 AD3 A3
AD4 AD4 A4
AD5 AD5 A5
AD6 AD6 A6
AD7 AD7 A7
RD#
PCS1#
WR#
ALE
PCS1#
ALE
AD0 D0
AD1 D1
AD2 D2
AD3 D3
AD4 D4
AD5 D5
AD6 D6
AD7 D7
PCS1#
RD#
PCS1#
RD#
WR#
GND
VCC
IC3
74HCT245
2
3
4
5
6
7
8
9
19
1
18
17
16
15
14
13
12
11
A1
A2
A3
A4
A5
A6
A7
A8
G
DIR
B1
B2
B3
B4
B5
B6
B7
B8
IC2
74HCT373
3
4
7
8
13
14
17
18
1
11
2
5
6
9
12
15
16
19
D0
D1
D2
D3
D4
D5
D6
D7
OC
G
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
IC1
IPC@CHIP SC12
8
9
10
11
12
13
14
15
22
23
27
28
29
24
18
19
20
21
2
1
3
4
5
6
25
26
31
30
17
16 7
32
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
RD
WR
MCS0/PCS1/P4/TMRIN0/A0
PCS5/P3/TMROUT1/TMRIN1/A1
PCS6/P2/A2
ALE/PCS0
TPTX+
TPTX-
TPRX+
TPRX-
TXD0/P8
RXD0/P7
CTS0/ENRX0/P9
RTS0/RTR0/P10
TXD1/P11
RXD1/INT3/P12
CTS1/MEN/PCS2/P6/INT2/INTA/PW
RTS1/MOSI/PCS3/P5/INT4
I2CCLK/MSCK/DRQ1/INT6/P0
I2CDAT/MISO/DRQ0/INT5/P1
RESET_PFAIL_LILED
GND TMROUT0/INT0/P13
VCC