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SC28L194 Datasheet

  • SC28L194

  • Quad UART for 3.3V and 5V supply

  • 309.02KB

  • Philips

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NOTE:
The Vss-ic and Vcc_i are for input and noise sensitive circuits. Sclk signals in the range of 3 to 6 ns and within TTL input levels may
alter expected read or write functions. The Vss _o and Vcc _o pins are used for the high current drivers. De-coupling capacitors should be used
as close to the device power pins as possible.
Address bit A6 is not used. See 鈥淗ost Interface鈥?section.
4 Vss_ic, 4 Vcc_i, 4 Vss_o, 2 Vcc_o, 2Vcc_c
1998 Sep 21
Pin Assignments
PINOUT - 68 PIN PACKAGE
PIN CONFIGURATIONS
ORDERING CODE
Philips Semiconductors
80-Pin Plastic Low Profile Quad Flat Pack (LQFP)
68-Pin Plastic Leaded Chip Carrier (PLCC)
23
22
21
20
19
18
17
16
15
14
13
12
10
11
Quad UART for 3.3V and 5V supply voltage
9
8
7
6
5
4
3
2
1
TxDb
RxDb
I/O3b
I/O2b
Vss_ic
Vcc_i
Vcc_o
I/O1b
I/O0b
TxDa
RxDa
Vss_o
I/O3a
I/O2a
I/O1a
I/O0a
DACKN
CEN
A0
W_RN
Vcc_i
Vcc_c
Vss_ic
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
26
10
PACKAGES
27
9
D0
Vss_o
Gout1
I/O3d
Gout0
I/O2d
I/O1d
I/O0d
Gin1
Gin0
RESETN
Vss_ic
Vcc_i
Vcc_c
TxDd
RxDd
TxDc
RxDc
I/O3c
I/O2c
Vss_o
I/O1c
I/O0c
68-Pin PLCC
TOP VIEW
1
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
43
61
44
60
SClk
A1
A2
A3
A4
A5
A7
X2
X1
VSS_O
IACKN
IRQN
D7
D6
VCC_I
VSS_IC
D5
D4
VCC_O
D3
D2
D1
Figure 1. Pin Configurations
3
4 Vss_ic, 4 Vcc_i, 4 Vss_o, 2 Vcc_o, 2Vcc_c
Pin Assignments
PINOUT - 80 PIN THIN PACKAGE
20-23
V
CC
= 3.3V
鹵10%
SC28L194A1BE
Industrial
-40擄C to +85擄C
SC28L194A1A
27
26
25
24
19
18
17
16
15
14
13
12
10
11
9
8
7
6
5
4
3
2
1
RxDd
TxDc
nc
20
1
RxDc
I/O3c
I/O2c
I/O1c
I/O0c
TxDb
TxDa
Vss_o
RxDb
I/O3b
I/O2b
Vss_ic
Vcc_i
Vcc_o
I/O1b
I/O0b
RxDa
Vss_o
I/O3a
I/O2a
I/O1a
80
21
80-Pin LQFP
TOP VIEW
53
52
51
50
49
48
47
46
45
44
43
42
38
37
36
35
34
33
32
31
30
29
28
39-41
SC28L194A1BE
Industrial
-40擄C to +85擄C
V
CC
= 5V
鹵10%
SC28L194A1A
Vcc_i
D5
D4
D3
D2
D1
D0
nc
Gin1
Gin0
Vcc_i
TxDd
61
40
Vss_ic
Vcc_o
Vss_o
Gout1
I/O3d
Gout0
I/O2d
I/O1d
I/O0d
Vss_ic
Vcc_c
41
60
RESETN
SD00544
Preliminary specification
78-80
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
60
59
58
57
56
55
54
61-62
SC28L194
SOT315-1
SOT188-3
DWG #
nc
nc
I/O0a
CEN
A0
A1
A2
A3
A4
A5
A7
X2
X1
SClk
D7
D6
Vcc_i
DACKN
W_RN
Vcc_c
IRQN
Vss_o
Vss_ic
IACKN

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