Datasheet

TL16C554A, TL16C554AI
ASYNCHRONOUS-COMMUNICATIONS ELEMENT
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
SLLS509E − AUGUST 2001 − REVISED JUNE 2010
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
23
NC
DSRB
CTSB
DTRB
GND
RTSB
INTB
CSB
TXB
IOW
NC
TXA
CSA
INTA
RTSA
V
CC
DTRA
CTSA
DSRA
NC
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
4
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
NC
DSRC
CTSC
DTRC
V
CC
RTSC
INTC
CSC
TXC
IOR
NC
TXD
CSD
INTD
RTSD
GND
DTRD
CTSD
DSRD
NC
5678
PN PACKAGE
(TOP VIEW)
XTAL1
59 58 57 56 5560 54
RIC RXC GND TXRDY RXRDY RESET NC
D3 D5
RID
RXD
NC
INTN
D0 D1 D2
52 51 5053
9
10 11 12 13
49 48
1
NC
A0
47 46 45 44
14 15 16 17
D6 D7
GND
RXA
A1 A2 XTAL2 RXB NC DCDC
RIA
DCDA
18 19 20
RIB DCDB
43 42 41
V
CC
NC
NC
CC
V
DCDD
D4
NC
NC − No internal connection