Advanced CMOS TTL Input – 54ACT74

Dual D-Type Flip-Flop Logic IC with Set and Reset in bare die form

Rev 1.0

21/11/19

 

 

Inputs directly accept TTL

Outputs Directly Interface to CMOS, NMOS, and TTL

Outputs Source/Sink 24 mA

 

 

Asynchronous Set-Reset Capability  

Lower power alternative to bipolar logic

 

Functionally compatible with bipolar 54LS74

 

Direct drop-in replacement for obsolete components

in long term programs.

 

 

 

 

 

 

Features:

The following part suffixes apply:

No suffix - MIL-STD-883 /2010B Visual Inspection

“H” - MIL-STD-883 /2010B Visual Inspection

+ MIL-PRF-38534 Class H LAT

 

“K” - MIL-STD-883 /2010A Visual Inspection (Space)

+ MIL-PRF-38534 Class K LAT

 

 

 

 

 

Die Size (Unsawn)

1400 x 1400

 

 

 

 

55 x 55

µm

mils

120 x 120

Minimum Bond Pad Size

4.72 x 4.72

µm

mils

LAT = Lot Acceptance Test.

For further information on LAT process flows see below.

www.siliconsupplies.com\quality\bare-die-lot-qualification

Supply Formats:

Mechanical Specification

Default – Die in Waffle Pack (400 per tray capacity)

Sawn Wafer on Tape – On request

Unsawn Wafer – On request

350 (±20)

Die Thickness

13.78 (±0.79)

µm

mils

Top Metal Composition

Al 1%Si 1.1µm

Back Metal Composition

N/A – Bare Si

Die Thickness <> 350µm(14 Mils) – On request

Assembled into Ceramic Package – On request

The 54ACT74 is fabricated using a 1.5µm advanced

5V CMOS process & consists of two identical,

independent data type flip-flops. Each flip-flop has

separate data, set, reset, clock inputs & Q,Q outputs.

The device can be used in Shift Register applications

and also Counter or Toggle applications by connecting

Q output to the data input. The logic level present at

the “D” input is transferred to the Q output during the

positive-going transition of the clock pulse. Setting or

resetting is clock independent and accomplished by a

high level on the respective Set or Reset line.

Ordering Information

Description

Die Dimensions in µm (mils)

1400 (55)

Page 1 of 6 

www.siliconsupplies.com