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74LVX594

STMicroelectronics
Part Number 74LVX594
Manufacturer STMicroelectronics
Description LOW VOLTAGE CMOS 8 BIT SHIFT REGISTER
Published Mar 22, 2005
Detailed Description 74LVX594 LOW VOLTAGE CMOS 8 BIT SHIFT REGISTER WITH OUTPUT REGISTER (5V TOLERANT INPUTS) s s s s s s s s s s s ...
Datasheet PDF File 74LVX594 PDF File

74LVX594
74LVX594

Overview
74LVX594 LOW VOLTAGE CMOS 8 BIT SHIFT REGISTER WITH OUTPUT REGISTER (5V TOLERANT INPUTS) s s s s s s s s s s s HIGH SPEED: tPD = 5.
5ns (TYP.
) at VCC = 3.
3V 5V TOLERANT INPUTS INPUT VOLTAGE LEVEL: VIL=0.
8V, VIH=2V at VCC=3V LOW POWER DISSIPATION: ICC = 4 µA (MAX.
) at TA=25°C LOW NOISE: VOLP = 0.
3V (TYP.
) at VCC = 3.
3V SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 4mA (MIN) BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL OPERATING VOLTAGE RANGE: VCC(OPR) = 2V to 3.
6V (1.
2V Data Retention) PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 594 IMPROVED LATCH-UP IMMUNITY POWER DOWN PROTECTION ON INPUTS SOP TSSOP Table 1: Order Codes PACKAGE SOP TSSOP T&R 74LVX594MTR 74LVX594TTR DESCRIPTION The 74LVX594 is a low voltage CMOS 8 BIT SHIFT REGISTER WITH OUTPUT REGISTER fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology.
It is ideal for low power, battery operated and low noise 3.
3V applications.
This device contains an 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 provided for both the shift Figure 1: Pin Connection And IEC Logic Symbols register and the storage register.
A serial (QH’) output is 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 always be one clock pulse ahead of the storage register.
Power down protection is provided on all inputs and 0 to 7V can be accepted on inputs with no regard to the supply voltage.
This device can be used to interface 5V to 3V system.
It combines high speed performance with the true CMOS low power consumption.
All inputs and outputs are equipped with protection circuits against static discharge, giving them 2KV ESD immunity and transient excess voltage.
August 2004 Rev.
5 1/14 74LVX594 Figure 2: Input Equivalent Circuit Table 2: Pin Description PIN N° 1, 2, 3, 4, ...


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