M74HC670| Datasheet

M74HC670, M74HC670B1R, M74HC670M1R

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M74HC670
4 WORD x 4 BIT REGISTER FILE (3 STATE)
s

HIGH SPEED : tPD = 22 ns (TYP.) at VCC = 6V LOW POWER DISSIPATION: ICC =4uA(MAX.) at TA=25 C HIGH NOISE IMMUNITY: VNIH = V NIL = 28 % VCC (MIN.) SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 4mA (MIN) BALANCED PROPAGATION DELAYS: tPLH tPHL WIDE OPERATING VOLTAGE RANGE: VCC (OPR) = 2V to 6V PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 670

DIP

SOP

TSSOP

ORDER CODES
PACKAGE DIP SOP TSSOP TUBE M74HC670B1R M74HC670M1R T&R M74HC670RM13TR M74HC670TTR

DESCRIPTION The M74HC670 is an high speed CMOS 4WORD x 4 BIT REGISTER FILE (3 STATE) fabricated with silicon gate C2MOS technology. The M74HC670 is 4 x 4 Register File organized as four words by four bits. Separate read and write inputs, both address and enable, allow simultaneous read and write operation. The

3-state outputs make it possible to connect up to 128 outputs to increase the word capacity up to 512 words. Any number of these devices can be operated in parallel to generate an n-bit length. All inputs are equipped with protection circuits against static discharge and transient excess voltage.

PIN CONNECTION AND IEC LOGIC SYMBOLS

August 2001

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