Image 74HC245D,653
型号: 74HC245D,653
厂商: NXP Semiconductors NXP Semiconductors
标准:
分类: 半导体集成电路 - IC
描述: bus transceivers octal transceiver 3-state
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74HC245D,653的详细信息

Manufacturer: NXP
Product Category: Bus Transceivers
RoHS: Yes
Brand: NXP Semiconductors
Logic Type: CMOS
Logic Family: HC
Number of Channels per Chip: 8
Input Level: CMOS
Output Level: CMOS
Output Type: 3-State
High Level Output Current: - 7.8 mA
Low Level Output Current: 7.8 mA
Propagation Delay Time: 90 ns
Supply Voltage - Max: 6 V
Supply Voltage - Min: 2 V
Maximum Operating Temperature: + 125 C
Package / Case: SO-20
Packaging: Reel
Function: Bus Transceiver
Minimum Operating Temperature: - 40 C
Mounting Style: SMD/SMT
Number of Circuits: 1
Polarity: Non-Inverting
Factory Pack Quantity: 2000
Part # Aliases: 74HC245D-T
74HC245; 74HCT245  
Octal bus tranceiver; 3-state  
Rev. 03 — 31 January 2005  
Product data sheet  
1. General description  
The 74HC245; 74HCT245 is a high-speed Si-gate CMOS device and is pin compatible  
with Low-Power Schottky TTL (LSTTL).  
The 74HC245; 74HCT245 is an octal transceiver featuring non-inverting 3-state bus  
compatible outputs in both send and receive directions. The 74HC245; 74HCT245  
features an output enable input (OE) for easy cascading and a send/receive input (DIR)  
for direction control. OE controls the outputs so that the buses are effectively isolated.  
The 74HC245; 74HCT245 is similar to the 74HC640; 74HCT640 but has true  
(non-inverting) outputs.  
2. Features  
Octal bidirectional bus interface  
Non-inverting 3-state outputs  
Multiple package options  
Complies with JEDEC standard no. 7A  
ESD protection:  
HBM EIA/JESD22-A114-B exceeds 2000 V  
MM EIA/JESD22-A115-A exceeds 200 V  
Specified from 40 °C to +85 °C and from 40 °C to +125 °C  
3. Quick reference data  
Table 1:  
Quick reference data  
GND = 0 V; Tamb = 25 °C; tr = tf = 6 ns.  
Symbol  
Parameter  
Conditions  
Min  
Typ  
Max  
Unit  
Type 74HC245  
tPHL, tPLH  
propagation delay  
CL = 15 pF;  
-
7
-
ns  
An to Bn or Bn to An  
VCC = 5 V  
CI  
input capacitance  
-
-
-
3.5  
10  
30  
-
-
-
pF  
pF  
pF  
CI/O  
CPD  
input/output capacitance  
power dissipation  
capacitance per  
transceiver  
VI = GND to VCC  
Type 74HCT245  
tPHL, tPLH propagation delay  
An to Bn or Bn to An  
CL = 15 pF;  
CC = 5 V  
-
10  
-
ns  
V