74LS189 64-Bit RAM with 3-State Output IC (74189 IC) DIP-16 Package

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Brand: Generic | SKU: 8478112

₹ 163.00

~~₹ 261.00~~

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Description

The 74LS189 is a high speed 64-bit RAM organized as a 16- word by 4-bit array. Address inputs are buffered to minimize loading and are fully decoded on-chip. The outputs are 3-state and are in the high impedance state whenever the Chip Select (CS) input is HIGH. The outputs are active only in the Read mode and the output data is the complement of the stored data.

Features:-

â€¢Â 3-State Outputs For Data Bus Applications

â€¢ Buffered Inputs Minimize Loading

â€¢ Address Decoding On-Chip

â€¢ Diode Clamped Inputs Minimize Ringing

Specifications:-

Symbol	Parameter		Min	Max	Units	Conditions
VOL	Output Low Voltage	XM	0.4	0.5	V	VCC= Min
						lOL = 16 mA (S189)
		XC				lOL = 16 mA (74LS189)
VOH	Output High Voltage	XM	2.8	2.8	V	VCC= Min
						lOL = Â 0.4 mA (LS189)
		XC				lOL = 6.5 mA (74LS189)
IOS	Output Short Circuit Current		-80		mA	Vcc = Max
ICC	Power Supply Current		40		mA	Vcc = Max; WE, CS, Gnd