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Giant Internet IC* Masturbator [1.7]

General

The Giant Internet IC* Masturbator was created by Frank A. Vorstenbosch <falstaff@falstaff.demon.co.uk> after such a thing was discussed on sci.electronics. The name is due to Steve Walz <rstevew@armory.com> and any suggestions on changing it will be forwarded to /dev/null before you can say 'bigot'.

Timing information for ICs is not available, and only TTL*, 4000-series CMOS*, some microprocessor (support) and a few analog chips are included.

The current file uses the PC8 character set (a.k.a. codepage 437), but can be converted to 7-bit ASCII without too much trouble (losing some niceties). As it is, it is small and simple enough to keep it in your notebook PC for when you are out in the field, it even fits in a HP100LX palmtop PC.

To minimize the amount of information needed per IC*, a structured format is used in the descriptions, and only features that differ from the assumptions below are indicated. Truth tables are not yet available for all ICs, simply because creating them takes a long time. The layout of the file is dictated by the fortune-cookie program I use to sort this file (alphabetically -- not by number).

Anyone wanting to add this information should feel free to do so, but please to not post changed versions. Instead, mail additions to $mail_falstaff.

Frank

Pin identification

General: Power supply: Gates, line drivers etc.: Flip-flops: Counters: Shift registers: Multiplexers: Demultiplexers: Analog multiplexers/demultiplexers: Memories: Oscillators: Sections:

Truth Tables

For inputs, the following notations are used:
0 logic low level
1 logic high level
X don't care, either 0 or 1
/ rising or positive-edge clock input
\ falling or negative-edge clock input
!!/ not a rising edge, either 0, 1 or \
!!\ not a falling edge, either 0, 1 or /
. 'continued', used in compressing the table
For outputs, the following notations are used:
0 logic low level
1 logic high level
Z high impedance, either 3-state or open-collector not driving output
- no change (latched in closed state, or register value not changed)
? undefined (although some manufacturers may define a behaviour)
. 'continued', used in compressing the table

Assumptions for TTL* devices

Single/Dual* Flip-flops: Multiple flip-flops: Synchronous counters: Asynchronous counters: Shift registers:

See also

www.falstaff.demon.co.uk/GIICM.html original version of the GIICM

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