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SCDS167 − MAY 2004
DGG, DGV, OR DL PACKAGE
(TOP VIEW)
D
D
D
D
Member of the Texas Instruments
Widebus Family
High-Bandwidth Data Path
1
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
NC
1A1
1A2
1A3
1A4
1A5
1A6
GND
1A7
1A8
1A9
1A10
1A11
1A12
2A1
1OE
2OE
1B1
1B2
1B3
1B4
1B5
GND
1B6
1B7
1B8
1B9
1B10
1B11
1B12
†
(Up To 500 MHz )
2
5-V Tolerant I/Os with Device Powered Up
or Powered Down
3
4
Low and Flat ON-State Resistance (r
)
5
on
Characteristics Over Operating Range
(r = 5 Ω Typical)
6
on
7
D
Rail-to-Rail Switching on Data I/O Ports
− 0-V to 5-V Switching With 3.3-V V
− 0-V to 3.3-V Switching With 2.5-V V
CC
Bidirectional Data Flow, With Near-Zero
Propagation Delay
8
9
CC
10
11
12
13
14
15
D
D
Low Input/Output Capacitance Minimizes
Loading and Signal Distortion
(C
= 4 pF Typical)
io(OFF)
2A2 16
17
41 2B1
40 2B2
39 2B3
38 GND
37 2B4
36 2B5
35 2B6
34 2B7
33 2B8
32 2B9
D
D
D
Fast Switching Frequency
(f = 20 MHz Max)
V
CC
OE
2A3 18
GND 19
2A4 20
2A5 21
2A6 22
2A7 23
2A8 24
2A9 25
Data and Control Inputs Provide
Undershoot Clamp Diodes
Low Power Consumption
(I
= 1 mA Typical)
CC
D
V
Operating Range From 2.3 V to 3.6 V
CC
D
Data I/Os Support 0-V to 5-V Signaling
Levels (0.8 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V,
5 V)
2A10
2A11
2A12
2B10
2B11
2B12
26
27
28
31
30
29
D
D
D
D
Control Inputs Can be Driven by TTL or
5-V/3.3-V CMOS Outputs
I
Supports Partial-Power-Down Mode
NC − No internal connection
off
Operation
Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
ESD Performance Tested Per JESD 22
− 2000-V Human-Body Model
(A114-B, Class II)
− 1000-V Charged-Device Model (C101)
D
Supports Both Digital and Analog
Applications: PCI Interface, Differential
Signal Interface, Memory Interleaving, Bus
Isolation, Low-Distortion Signal Gating
†
For additional information regarding the performance
characteristics of the CB3Q family, refer to the TI
application report, CBT-C, CB3T, and CB3Q
Signal-Switch Families, literature number SCDA008.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Widebus is a trademark of Texas Instruments.
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Copyright 2004, Texas Instruments Incorporated
Available under non-disclosure agreement (NDA) only
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1
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