Intel mcs-48 manual 1024 X 4 BIT Static RAM, PIN Configuration

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2114A

1024 X 4 BIT STATIC RAM

IMax. Access Time (ns)	2114AL-1 2114AL-2 2114AL-3 2114AL-4				2114A-4	2114A-5
	100	120	150	200	200	250
IMax. Current (mA)	40	40	40	40	70	70

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HMOS Technology	•	Completely Static Memory - No Clock
Low Power, High Speed	•	or Timing Strobe Required
		Directly TTL Compatible: All Inputs
Identical Cycle and Access Times
	•	and Outputs
Single +5V Supply ±10%		Common Data Input and Output Using
	•	Three-State Outputs
High Density 18 Pin Package		2114 Upgrade

The Intele> 2114A is a 4096-bit static Random Access Memory organized as 1024 words by 4-bits using HMOS, a high per- formance MOS technology. It uses fully DC stable (static) circuitry throughout, in both the array and the decoding, therefore it . requires no clocks or refreshing to operate. Data access is particularly simple since address setup times are not required. The data is read out non destructively and has the same polarity as the input data. Common input/output pins are provided.

The 2114A is designed for memory applications where the high performance and high reliability of HMOS, low cost, large bit storage, and simple interfacing are important design objectives. The 2ll4A is placed in an la-pin package for the highest possible density.

It is directly TTL compatible in all respects: inputs, outputs, and a single +5V supply. A separate Chip Select (CS) lead allows easy selection of an individual package when outputs are or-tied.

PIN CONFIGURATION		LOGIC SYMBOL				BLOCK DIAGRAM
Ao	vee			A, ®			~ Vee
		Ao		A, ®
II,;	A,	A,					-ill-GND
			1/°1	As	®
							MEMORY ARRAY
		A,				ROW
	Ao				(i')		64 ROWS
				As		SELECT
		A,			'-'		64 COLUMNS
	Ao		110,		@
		A,		A,
					@
Ao	1/°1
		As		A,
A,	110,		1/°3
		A.
				IIO,@
A,	1/°3
		A,
	1/°4	A,	1/°4	IIO,@
	WE	A.	WE es	110,@
	PIN NAMES
AO-Ag	ADDRESS INPUTS	Vee POWER 1+5VI					o =PIN NUMBERS
WE	WRITE ENABLE	GND GROUND
C!	CHIP SELECT
1/01-1/04	OATA INPUT/OUTPUT
INTEL CORPORATION ASSUMES NO RESPONSIBILITY FOR THE USE OF ANY CIRCUITRY OTHER THAN CIRCUITRY EMBODIED IN AN INTEL PRODUCT. NO OTHER CIRCUIT PATENT LICENSES ARE IMPLIED.
·.INTELCORPORATION, 1977. 1979							DECEMBER. 1979

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