Harris Corporation CD74LPT16501AMT

View All Display Drivers by Harris Corporation

Part Number:
CD74LPT16501AMT
Manufacturer:
Harris Corporation
Category:
Display Drivers
RoHs:
Non-RoHS Compliant
Datasheet:
Description:
IC TXRX NON-INVERT 3.6V 56TSSOP
In stock 3,010

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Specifications

Type

Paramete

Type

Paramete

Supplier Device Package

56-TSSOP

Voltage - Supply

2.7V ~ 3.6V

Current - Output High, Low

24mA, 24mA

Logic Type

Universal Bus Transceiver

Mounting Type

Surface Mount

Number of Circuits

Operating Temperature

-40°C ~ 85°C

Package / Case

56-TFSOP (0.240", 6.10mm Width)

Overview

CD74LPT16501AMT Fast CMOS 18‑Bit Registered Transceiver – Full Datasheet Summary

1. Basic Information

Manufacturer: Harris Corporation
Release Date: December 1996
Device Type: Fast CMOS 18‑bit registered bus transceiver
Technology: 0.6‑μm advanced CMOS, compatible with LCX™ families
Part Number: CD74LPT16501AMT
Application: 3.3V/5V mixed‑signal bus translation, registered bidirectional data transfer

2. Key Features

5V‑tolerant mixed‑signal operation: inputs accept 3V/5V; outputs connect to 3V or 5V buses
Low‑power CMOS operation
Balanced 24 mA sink/source output drive
Pin‑compatible with industry standard double‑density pinouts
Low ground‑bounce outputs
Hysteresis on all inputs
Multiple center and distributed VCC/GND pins to minimize switching noise
Flow‑through pinout for easy PCB layout
Supports transparent, latched, and clocked data modes via D‑type latches and flip‑flops

3. Ordering & Packaging (CD74LPT16501AMT)

Parameter	Value
Temperature Range	−40°C to +85°C
Package	56‑lead TSSOP
Package Code	M56.240‑P
Tape‑and‑Reel Suffix	Add “96” (CD74LPT16501AMT96)

4. Functional Description

The device is an 18‑bit bidirectional registered transceiver with independent control for A→B and B→A directions.

Control signals:
Modes:
B→A operation mirrors A→B using OEBA, LEBA, CLKBA

5. Truth Table (A→B Direction)

OEAB	LEAB	CLKAB	Ax	Bx	Notes
L	X	X	X	Z	Output disabled
H	H	X	L	L	Transparent
H	H	X	H	H	Transparent
H	L	↑	L	L	Clock‑edge triggered
H	L	↑	H	H	Clock‑edge triggered
H	L	L	X	Hold	Latched
H	L	H	X	Hold	Latched
Notes: H=High, L=Low, X=Don’t care, ↑=Low‑to‑High transition, Z=High impedance

6. Absolute Maximum Ratings

Parameter	Rating
DC Input Voltage	−0.5V to +7.0V
DC Output Current	120 mA
Storage Temperature	−65°C to +150°C
Max Lead Soldering Temp (10s)	300°C (lead tips only)
Max Junction Temp	150°C

7. Operating Conditions

Supply Voltage (VCC): 2.7V to 3.6V
Operating Temperature: −40°C to +85°C
Input Voltage Range: −0.5V to +5.5V

8. DC Electrical Specifications (TA = −40 to 85°C, VCC = 2.7–3.6V)

Parameter	Symbol	Min	Max	Unit
Input HIGH Voltage (input pins)	VIH	2.2	5.5	V
Input HIGH Voltage (I/O pins)	VIH	2.0	5.5	V
Input LOW Voltage (all)	VIL	−0.5	0.8	V
Input Leakage Current	II	—	±1	μA
Output HIGH Voltage (IOH = −24 mA)	VOH	2.0	—	V
Output LOW Voltage (IOL = 24 mA)	VOL	—	0.5	V
Clamp Diode Voltage	VIK	—	−1.2	V
Power‑Down Leakage (IOFF)	—	—	±100	μA
Input Hysteresis	VH	150	—	mV

9. Capacitance (TA = 25°C, f = 1 MHz)

Parameter	Symbol	Typ	Max	Unit
Input Capacitance	CIN	4.5	6	pF
Output Capacitance	COUT	5.5	8	pF

10. Power Supply Characteristics

Parameter	Condition	Typ	Max	Unit
Quiescent Current (ICC)	VIN = GND	0.1	10	μA
Quiescent TTL Input	VIN = VCC−0.6V	2.0	30	μA
Dynamic Supply Current	1‑bit toggling	—	50–75	μA
Total ICC (18‑bit, 10 MHz)	—	0.6–2.1	2.3–4.7	mA

11. Switching Specifications (CL = 50 pF, RL = 500Ω, VCC = 3.3V±0.3V)

Parameter	CD74LPT16501	CD74LPT16501A	Unit
Max Clock Frequency	—	150	MHz
Propagation Delay (Ax↔Bx)	1.5–6.5	1.5–5.1	ns
Propagation Delay (LE→Ax/Bx)	1.5–7.5	1.5–5.6	ns
Propagation Delay (CLK→Ax/Bx)	1.5–8.0	1.5–5.6	ns
Output Enable Time	1.5–8.0	1.5–6.0	ns
Output Disable Time	1.5–7.5	1.5–5.6	ns
Setup Time (Data→CLK)	4.0	3.0	ns
Hold Time (Data→CLK)	0	0	ns
Pulse Width (CLK/LE)	3.0	3.0	ns
Output Skew	0.5	0.5	ns

12. Thermal Information

Package	θJA (Typical)
TSSOP (AMT)	85°C/W
SSOP	70°C/W

13. Pinout Overview (56‑Ld TSSOP/SSOP, Top View)

Control: OEAB, LEAB, CLKAB, OEBA, LEBA, CLKBA
Data Ports: A0–A17, B0–B17
Power: Multiple VCC and GND pins distributed for noise reduction

14. Cautions

ESD‑sensitive device; follow proper IC handling procedures
Absolute maximum ratings are stress ratings only; not for continuous operation
Do not short multiple outputs simultaneously; short‑circuit test limited to <1 second

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