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74HC245N Datasheet

  • 74HC245N

  • Octal bus transceiver; 3-state

  • 22頁

  • PHILIPS

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74HC245; 74HCT245
Octal bus tranceiver; 3-state
Rev. 03 鈥?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
s
s
s
s
s
Octal bidirectional bus interface
Non-inverting 3-state outputs
Multiple package options
Complies with JEDEC standard no. 7A
ESD protection:
x
HBM EIA/JESD22-A114-B exceeds 2000 V
x
MM EIA/JESD22-A115-A exceeds 200 V
s
Speci鏗乪d from
鈭?0 擄C
to +85
擄C
and from
鈭?0 擄C
to +125
擄C
3. Quick reference data
Table 1:
Quick reference data
GND = 0 V; T
amb
= 25
擄
C; t
r
= t
f
= 6 ns.
Symbol
t
PHL
, t
PLH
C
I
C
I/O
C
PD
Parameter
propagation delay
An to Bn or Bn to An
input capacitance
input/output capacitance
power dissipation
capacitance per
transceiver
propagation delay
An to Bn or Bn to An
V
I
= GND to V
CC
[1]
Conditions
C
L
= 15 pF;
V
CC
= 5 V
Min
-
-
-
-
Typ
7
3.5
10
30
Max
-
-
-
-
Unit
ns
pF
pF
pF
Type 74HC245
Type 74HCT245
t
PHL
, t
PLH
C
L
= 15 pF;
V
CC
= 5 V
-
10
-
ns

74HC245N 產(chǎn)品屬性

  • 收發(fā)器、非反相

  • 2V 到 6V

  • DIP

  • 20

  • -40°C 到 +125°C

  • No SVHC (18-Jun-2012)

  • 74

  • 74HC245N

  • DIP

  • -40°C

  • 125°C

  • Bus, TTL

  • 8

  • 5V

  • 6V

  • 2V

  • Bus Transceiver

  • 74HC245

  • 通孔安裝

  • 1

  • 74245

  • 八總線收發(fā)器（三態(tài)）

  • 74245

  • HC

  • 8

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