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TMC2011A/2111A
Variable-Length Shift Register
Features
• Low power CMOS
• TMC2011A is a pin compatible replacement for the
TDC1011 and TMC2011
• TMC2211A is a pin compatible replacement for the
TMC2111
• Inputs and outputs are TTL compatible
• DC–40MHz clock rate
• Selectable delay lengths (TMC2011A: 3 to 18 stages,
TMC2111A: 1 to 16 stages)
• Special 4-bit wide mixed-delay mode (TMC2011A)
• Available in 24-pin CERDIP and plastic DIP and 28-lead
Plastic Leadless Chip Carrier
Applications
•
•
•
•
•
•
Video filtering
High speed data registers
Local storage registers
Digital delay lines
Television special effects
Pipeline register
Description
The TMC2011A and TMC2111A are high-speed, byte-wide
shift registers with programmable delay lengths.
The TMC2011A can be programmed to any length between
3 and 18 stages. It offers a special split-word mode which
allows for mixed delay lengths. The TMC2011A, con-
structed in low-power CMOS, is pin and function compatible
with the bipolar TDC1011.
The TMC2111A is a byte-wide shift register that can be pro-
grammed to lengths of 1 to 16 stages.
The TMC2011A and TMC2111A are fully synchronous,
with all operations controlled by a single master clock. Input
and output registers are positive-edge triggered D-type flip-
flops. The length and mode controls are also registered. Both
devices operate with a maximum clock rate of 40 MHz.
Fabricated in a submicron CMOS process, the TMC2011A
and TMC2111A are TTL-compatible, and are available in
24-pin CERDIP and Plastic DIP packages as well as a
28-lead Plastic Leadless Chip Carrier.
Block Diagrams
TMC2011A
DI
3-0
R
1
R
2
R
3
4
4
L
3-0
4
R
L
4
4-Bit Wide
1 of 16 Selector
4-Bit Wide
1 of 16 Selector
R
16
4
4
4
R
18
4
4
DO
3-0
L
3-0
R
L
8
4
8-Bit Wide
1 of 16 Selector
8
R
17
TMC2111A
DI
7-0
R
1
8
R
14
8
8
R
16
8
8
DO
7-0
R
15
4
8
4
MC
CLK
R
I
4
4
R
18
4
4
DO
7-4
CLK
65-2011A-02
4
4
4
R
16
4
DI
7-4
4
R
1
R
2
R
3
R
17
65-2011A-01
Rev. 1.1.0
CADEKA [ CADEKA MICROCIRCUITS LLC. ]
