Details, datasheet, quote on part number: SN74ABT377APWLE
CategoryLogic => Flip-Flops => D-Type Flip-Flops
TitleD-Type Flip-Flops
Descriptionti SN74ABT377A, Octal Edge-triggered D-type Flip-flops With Clock Enable
CompanyTexas Instruments, Inc.
DatasheetDownload SN74ABT377APWLE datasheet
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Features, Applications

State-of-the-Art EPIC-B TM BiCMOS Design Significantly Reduces Power Dissipation Latch-Up Performance Exceeds 500 mA Per JEDEC Standard JESD-17 Typical VOLP (Output Ground Bounce) V at VCC = 25C High-Drive Outputs (32-mA IOH, 64-mA IOL) ESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015; Exceeds 200 V Using Machine Model = 200 pF, = 0) Package Options Include Plastic Small-Outline (DW), Shrink Small-Outline (DB), and Thin Shrink Small-Outline (PW) Packages, Ceramic Chip Carriers (FK), Plastic (N) and Ceramic (J) DIPs, and Ceramic Flat (W) Package

These 8-bit positive-edge-triggered D-type flip-flops with a clock (CLK) input are particularly suitable for implementing buffer and storage registers, shift registers, and pattern generators. Data (D) input information that meets the setup time requirements is transferred to the Q outputs on the positive-going edge of the clock pulse if the common clock-enable (CLKEN) input is low. Clock triggering occurs at a particular voltage level and is not directly related to the transition time of the positive-going pulse. When the buffered clock (CLK) input is at either the high or low level, the D-input signal has no effect at the output. The circuits are designed to prevent false clocking by transitions at CLKEN.


The SN54ABT377 is characterized for operation over the full military temperature range to 125C. The SN74ABT377A is characterized for operation from to 85C.


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-B 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.

This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)

Supply voltage range, VCC. 7 V Input voltage range, VI (see Note 7 V Voltage range applied to any output in the high or power-off state, VO. 5.5 V Current into any output in the low state, IO: 128 mA Input clamp current, IIK (VI 18 mA Output clamp current, IOK (VO 50 mA Package thermal impedance, JA (see Note 2): DB package. 115C/W DW package. 97C/W N package. 67C/W PW package. 128C/W Storage temperature range, Tstg. to 150C

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 and output negative-voltage ratings may be exceeded if the input and output clamp-current ratings are observed. 2. The package thermal impedance is calculated in accordance with EIA/JEDEC Std JESD51, except for through-hole packages, which use a trace length of zero.

SN54ABT377 MIN VCC VIH VIL VI IOH IOL t/v Supply voltage High-level input voltage Low-level input voltage Input voltage High-level output current Low-level output current Input transition rise or fall rate Outputs enabled VCC MAX 5.5 SN74ABT377A MIN 2 0.8 VCC MAX 5.5 UNIT mA ns/V C

TA Operating free-air temperature NOTE 3: Unused inputs must be held high or low to prevent them from floating.


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