Image651

Type	Function	74N	74HN	74LN
177	Binary Counter	X
178	4 Bit Shift Register PIPO	X
179	4 Bit Shift Register PIPO ^	X
180	8 Bit Parity Generator	X
181	4 Bit Arithmetic Logic Unit	X
182	Carry-Look-Ahead Unit	X
183	Dual Carry-Save Fuli Adder		X
184	BCD-to-Binary Converter	X
185A	Binary to BCD Converter	X
186	512 Bit PROM Fusible	X
187	1024 Bit Read-only-Memory	X
188	256 Bit PROM Fusible	X
190	Reversible Decade Counter	X
191	Reversible Binary Counter	X
192	Reversible Decade Counter	X		X
193	Reversible Binary Counter	X		X
194	4-Bit Shift Register PIPO	X
195	4-Bit Shift Register PIPO	X
196	Decade Counter	X
197	Binary Counter	X
198	8 Bit Shift Register PIPO	X
199	8 Bit Shift Register PIPO	X
200	256 Bit Random Access Memory	X
206	256 Bit Read/Write Memory O/C
251	8 Input Selector 3 State	X
253	Dual 4 Linę to 1 Linę Selector State
257	Quad 2 Linę to 1 Linę Selector 3 State Non-Inv.
258	Quad 2 Linę to 1 Linę Selector 3 State Inv.
260	Dual 5 Input Nor Gate
266	Quad 2 Input Exclusive Nor O/C
278	4 Bit Priority Register	X
279	Quad R-S Latch	X
280	8 Bit Parity Generator/Checker
283	4 Bit Fuli Adder	X
284	4x4 Multiplier	X
285	4x4 Multiplier	X
290	Decade Counter	X
293	4 Bit Binary Counter	X
295	4 Bit Right Shift Left Shift 3 State Register
298	Quad 2 Input Multiplexer with Storage	X

O/P — Output    PIPO — Parallel in, Parallel out    SIPO — Serial in, Parallel out

O/C — Open CoUector    pi_SO _ Parallel in, Serial out    SISO — Serial in, Serial out

A/O — And — Or

TTL

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