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ꢊ ꢑꢒ ꢌꢓ ꢔꢆ ꢑꢆ ꢌꢓ ꢕ ꢖꢏꢌꢓꢖ ꢕꢎꢗꢘ ꢙ ꢚ ꢙꢎ ꢅꢛꢀ ꢀ ꢏꢍ ꢎꢄ ꢐ
SCDS166 − MAY 2004
DGG, DGV, OR DL PACKAGE
(TOP VIEW)
D
D
D
D
Member of the Texas Instruments
Widebus Family
High-Bandwidth Data Path
NC
1A1
1A2
1A3
1A4
1A5
1A6
GND
1A7
1OE
2OE
1B1
1B2
1B3
1B4
1B5
GND
1B6
1B7
1B8
1B9
1B10
2B1
2B2
2B3
GND
2B4
2B5
2B6
1
2
3
4
5
6
7
8
9
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
†
(Up To 500 MHz )
5-V Tolerant I/Os with Device Powered Up
or Powered Down
Low and Flat ON-State Resistance (r
Characteristics Over Operating Range
)
on
(r = 5 Ω Typical)
on
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
CC
1A8 10
1A9
11
D
D
Bidirectional Data Flow, With Near-Zero
Propagation Delay
1A10 12
2A1 13
2A2 14
Low Input/Output Capacitance Minimizes
Loading and Signal Distortion
15
16
17
18
19
20
21
22
23
24
V
CC
(C
= 4 pF Typical)
io(OFF)
2A3
GND
2A4
2A5
2A6
2A7
2A8
2A9
2A10
D
D
D
Fast Switching Frequency
(f = 20 MHz Max)
OE
Data and Control Inputs Provide
Undershoot Clamp Diodes
Low Power Consumption
28 2B7
27 2B8
26 2B9
(I
= 1 mA Typical)
CC
D
V
Operating Range From 2.3 V to 3.6 V
CC
25
2B10
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)
NC − No internal connection
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
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
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1
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