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M74HC670 Datasheet(PDF) 1 Page - STMicroelectronics

Part # M74HC670
Description  4 WORD x 4 BIT REGISTER FILE (3 STATE)
PDF  11 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M74HC670 Datasheet(HTML) 1 Page - STMicroelectronics

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August 2001
s
HIGH SPEED :
tPD = 22 ns (TYP.) at VCC = 6V
s
LOW POWER DISSIPATION:
ICC =4µA(MAX.) at TA=25°C
s
HIGH NOISE IMMUNITY:
VNIH = VNIL = 28 % VCC (MIN.)
s
SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 4mA (MIN)
s
BALANCED PROPAGATION DELAYS:
tPLH ≅ tPHL
s
WIDE OPERATING VOLTAGE RANGE:
VCC (OPR) = 2V to 6V
s
PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 670
DESCRIPTION
The M74HC670 is an high speed CMOS 4-
WORD 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.
M74HC670
4 WORD x 4 BIT REGISTER FILE (3 STATE)
PIN CONNECTION AND IEC LOGIC SYMBOLS
ORDER CODES
PACKAGE
TUBE
T & R
DIP
M74HC670B1R
SOP
M74HC670M1R
M74HC670RM13TR
TSSOP
M74HC670TTR
TSSOP
DIP
SOP


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