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Details, datasheet, quote on part number:SN54LVC574AW
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Datasheet text preview:
SN54LVC574A, SN74LVC574A OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS
SCAS301J JANUARY 1993 REVISED JULY 1998
D D D D D D D D
EPIC TM (Enhanced-Performance Implanted CMOS) Submicron Process Typical VOLP (Output Ground Bounce) 2 V at VCC = 3.3 V, TA = 25°C Support Mixed-Mode Signal Operation on All Ports (5-V Input/Output Voltage With 3.3-V VCC) Power Off Disables Outputs, Permitting Live Insertion ESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0) Latch-Up Performance Exceeds 250 mA Per JESD 17 Package Options Include Plastic Small-Outline (DW), Shrink Small-Outline (DB), Thin Shrink Small-Outline (PW), and Ceramic Flat (W) Packages, Ceramic Chip Carriers (FK), and DIPs (J)
SN54LVC574A . . . J OR W PACKAGE SN74LVC574A . . . DB, DW, OR PW PACKAGE (TOP VIEW)
OE 1D 2D 3D 4D 5D 6D 7D 8D GND
1 2 3 4 5 6 7 8 9 10
20 19 18 17 16 15 14 13 12 11
VC C 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q CLK
SN54LVC574A . . . FK PACKAGE (TOP VIEW)
2D 1D OE VCC
description
The SN54LVC574A octal edge-triggered D-type flip-flop is designed for 2.7-V to 3.6-V VCC operation and the SN74LVC574A octal edge-triggered D-type flip-flop is designed for 1.65-V to 3.6-V VCC operation.
3D 4D 5D 6D 7D
4 5 6 7 8
3 2 1 20 19 18 17 16 15 14 9 10 11 12 13
1Q 2Q 3Q 4Q 5Q 6Q
These devices feature 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads. They are particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers. On the positive transition of the clock (CLK) input, the Q outputs are set to the logic levels at the data (D) inputs. A buffered output-enable (OE) input can be used to place the eight outputs in either a normal logic state (high or low logic levels) or a high-impedance state. In the high-impedance state, the outputs neither load nor drive the bus lines significantly. The high-impedance state and increased drive provide the capability to drive bus lines without interface or pullup components. OE does not affect the internal operations of the flip-flops. Old data can be retained or new data can be entered while the outputs are in the high-impedance state. To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of these devices as translators in a mixed 3.3-V/5-V system environment.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. EPIC is a trademark of Texas Instruments Incorporated.
PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.
Copyright © 1998, Texas Instruments Incorporated
On products compliant to MIL-PRF-38535, all parameters are tested unless otherwise noted. On all other products, production processing does not necessarily include testing of all parameters.
POST OFFICE BOX 655303
· DALLAS, TEXAS 75265
8D GND CLK 8Q 7Q
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SN54LVC574A, SN74LVC574A OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS
SCAS301J JANUARY 1993 REVISED JULY 1998
description (continued)
The SN54LVC574A is characterized for operation over the full military temperature range of 55°C to 125°C. The SN74LVC574A is characterized for operation from 40°C to 85°C.
FUNCTION TABLE (each flip-flop) INPUTS OE L L L H CLK L X D H L X X OUTPUT Q H L Q0 Z
logic symbol
OE CLK 1D 2D 3D 4D 5D 6D 7D 8D 1 11 2 3 4 5 6 7 8 9 EN C1 1D 19 18 17 16 15 14 13 12 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
logic diagram (positive logic)
OE CLK 1 11
C1 1D 2 1D
19
1Q
To Seven Other Channels
2
POST OFFICE BOX 655303
· DALLAS, TEXAS 75265
SN54LVC574A, SN74LVC574A OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS
SCAS301J JANUARY 1993 REVISED JULY 1998
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 V to 6.5 V Input voltage range, VI (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 V to 6.5 V Voltage range applied to any output in the high-impedance or power-off state, VO (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 V to 6.5 V Voltage range applied to any output in the high or low state, VO (see Notes 1 and 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 V to VCC + 0.5 V Input clamp current, IIK (VI < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 mA Output clamp current, IOK (VO < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 mA Continuous output current, IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±50 mA Continuous current through VCC or GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±100 mA Package thermal impedance, JA (see Note 3): DB package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115°C/W DW package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97°C/W PW package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128°C/W Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65°C to 150°C
Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTES: 1. The input negative-voltage and output voltage ratings may be exceeded if the input and output current ratings are observed. 2. The value of VCC is provided in the recommended operating conditions table. 3. The package thermal impedance is calculated in accordance with JESD 51.
recommended operating conditions (see Note 4)
SN54LVC574A MIN VCC Supply voltage voltage Operating Data retention only VCC = 1.65 V to 1.95 V VCC = 2.3 V to 2.7 V VCC = 2.7 V to 3.6 V VCC = 1.65 V to 1.95 V VIL VI VO Low-level input voltage Input voltage Output voltage voltage High or low state 3 state VCC = 1.65 V VCC = 2.3 V VCC = 2.7 V VCC = 3 V VCC = 1.65 V VCC = 2.3 V VCC = 2.7 V VCC = 3 V 0 12 24 6 0 12 24 VCC = 2.3 V to 2.7 V VCC = 2.7 V to 3.6 V 0 0 0 2 2 1.5 MAX 3.6 SN74LVC574A MIN 1.65 1.5 0.65 × VCC 1.7 2 0.35 × VCC 0.7 0.8 5.5 VCC 5.5 0 0 0 0.8 5.5 VCC 5.5 4 8 12 24 4 8 12 24 6 ns/V mA mA V V V V MAX 3.6 UNIT V
VIH
High-level input voltage
IOH
High-level output current output current
IOL
Low-level output current output current
t/v
Input transition rise or fall rate
TA Operating free-air temperature 55 125 40 85 °C NOTE 4: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
POST OFFICE BOX 655303
· DALLAS, TEXAS 75265
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