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74HC243N Datasheet(PDF) 2 Page - NXP Semiconductors

Part No. 74HC243N
Description  Quad bus transceiver; 3-state
Download  17 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74HC243N Datasheet(HTML) 2 Page - NXP Semiconductors

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9397 750 13808
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 03 — 12 November 2004
2 of 17
Philips Semiconductors
74HC243
Quad bus transceiver; 3-state
3.
Quick reference data
[1]
CPD is used to determine the dynamic power dissipation (PD in µW).
PD =CPD × VCC2 × fi × N+ ∑(CL × VCC2 × fo) where:
fi = input frequency in MHz;
fo = output frequency in MHz;
CL = output load capacitance in pF;
VCC = supply voltage in V;
N = number of inputs switching;
∑(C
L × VCC
2
× f
o) = sum of outputs.
4.
Ordering information
Table 1:
Quick reference data
GND = 0 V; Tamb=25 °C; tr =tf = 6 ns.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
tPHL, tPLH
propagation delay An to Bn;
Bn to An
CL = 15 pF; VCC = 5 V
-
6
-
ns
CI
input capacitance
-
3.5
-
pF
CI/O
input/output capacitance
-
10
-
pF
CPD
power dissipation
capacitance per transceiver
VI = GND to VCC
[1] -26
-
pF
Table 2:
Ordering information
Type number
Package
Temperature range
Name
Description
Version
74HC243N
−40 °C to +125 °C
DIP14
plastic dual in-line package; 14 leads (300 mil)
SOT27-1
74HC243D
−40 °C to +125 °C
SO14
plastic small outline package; 14 leads;
body width 3.9 mm
SOT108-1
74HC243DB
−40 °C to +125 °C
SSOP14
plastic shrink small outline package; 14 leads;
body width 5.3 mm
SOT337-1


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