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Partno	Mfg	Dc	Qty	Available	Descript
74VHC594MTR	ST	N/a	150	avai	8 BIT SHIFT REGISTER WITH OUTPUT REGISTER

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74VHC594MTR
8 BIT SHIFT REGISTER WITH OUTPUT REGISTER
1/11February 2003 HIGH SPEED:tPD= 4.2ns (TYP.)atVCC =5V LOW POWER DISSIPATION:
ICC =4 μA (MAX.)at TA=25°C HIGH NOISE IMMUNITY:
VNIH =VNIL= 28% VCC (MIN.) POWER DOWN PROTECTION ON INPUTS SYMMETRICAL OUTPUT IMPEDANCE:
|IOH|= IOL =8 mA (MIN) BALANCED PROPAGATION DELAYS:
tPLH≅ tPHL OPERATING VOLTAGE RANGE:
VCC(OPR)= 2Vto 5.5V PIN AND FUNCTION COMPATIBLE WITH SERIES 594 IMPROVED LATCH-UP IMMUNITY LOW NOISE:V OLP= 0.8V (MAX.)
DESCRIPTION
The 74VHC594is an high speed CMOS 8-BIT
SHIFT REGISTERS fabricated with sub-micron
silicon gateC2 MOS technology.
This device containsan 8-bit serial-in, parallel-out
shift register that feeds an 8-bit D-type storage
register. Separate clocks and direct overriding
clear (SCLR, RCLR) are providedfor both the shift
register and the storage register. serial (QH’) outputis provided for cascading
purposes. Both the shift register and storage
register use positive-edge triggered clocks.If the
clocks are connected together, the shift register
state will alwaysbe one clock pulse aheadof the
storage register.
Power down protectionis provided onall inputs
and0to 7V can be accepted on inputs with no
regardto the supply voltage. This device can be
usedto interface 5Vto 3V.
All inputs are equipped with protection circuits
against static discharge, giving them 2KV ESD
immunity and transient excess voltage.
74VHC594 BIT SHIFT REGISTER
WITH OUTPUT REGISTER
PIN CONNECTION AND IEC LOGIC SYMBOLS
ORDER CODES
74VHC594
2/11
INPUT EQUIVALENT CIRCUIT PIN DESCRIPTION
TRUTH TABLE Don’t Care
74VHC594
3/11
LOGIC DIAGRAM
This logic diagramhasnotbe usedto estimate propagation delays
74VHC594
4/11
TIMING CHART
ABSOLUTE MAXIMUM RATINGS
AbsoluteMaximum Ratingsare those values beyond which damagetothe device mayoccur.Functional operation under these conditionsis
not implied
74VHC594
5/11
RECOMMENDED OPERATING CONDITIONSVIN from 30%to 70%of VCC SPECIFICATIONS
74VHC594
6/11 ELECTRICAL CHARACTERISTICS (Inputtr=tf =3ns)
(*) Voltage rangeis 3.3V± 0.3V
(**) Voltage rangeis 5.0V± 0.5V