Datasheet

SN74FB1651
17-BIT TTL/BTL UNIVERSAL STORAGE TRANSCEIVER
WITH BUFFERED CLOCK LINE
SCBS177N – OCTOBER 1993 – REVISED JUNE 2001
5–11
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
D Compatible With IEEE Std 1194.1-1991
(BTL)
D TTL A Port, Backplane Transceiver Logic
(BTL) B
Port
D Open-Collector B-Port Outputs Sink
100 mA
D BIAS V
CC
Minimizes Signal Distortion
During Live Insertion or Withdrawal
D High-Impedance State During Power Up
and Power Down
D B-Port Biasing Network Preconditions the
Connector and PC Trace to the BTL
High-Level Voltage
D TTL-Input Structures Incorporate Active
Clamping to Aid in Line Termination
BG V
NC
V
CC
GND
1AO6
1AI6
1AO7
1AI7
GND
1AO8
1AI8
1AO9
1AI9
GND
2CLK
NC
2AO2
2AI2
GND
2AO3
2AI3
2AO4
2AI4
GND
V
CC
NC
PCA PACKAGE
(TOP VIEW)
76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99
100
50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27
1B2
GND
1B3
1B4
GND
1B5
1B6
GND
1B7
1B8
GND
1B9
NC
2CLKAB
GND
2B2
2B3
GND
2B4
2B5
GND
2B6
2B7
GND
2B8
GND
2AO6
GND
2AO7 2AO8
V V
CC
2AI7
2CLKAB
2OEA
2LEAB
GND
2AO9
GND
1OEB 1OEA 1LEAB
2OEB 2OEB
2LEBA
2CLKBA
1CLKAB
2AI8
GND
1AO1 GND
2AI9
CC
2OEA
2AI6
CC
1OEB 1LEBA 1CLKBA 1OEA 1AI1 1AO2 1AI2 1AO3 1AI3 1AO4 1AI4 1AO5 1AI5
2AO5
2AI5
NC – No internal connection
26
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
1B1 BG GND
NC
2B9
CC
BIAS V
Copyright  2001, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.