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74HC237N Datasheet(PDF) 10 Page - NXP Semiconductors

Part # 74HC237N
Description  3-to-8 line decoder, demultiplexer with address latches
PDF  19 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74HC237N Datasheet(HTML) 10 Page - NXP Semiconductors

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9397 750 13807
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 03 — 12 November 2004
10 of 19
Philips Semiconductors
74HC237
3-to-8 line decoder, demultiplexer with address latches
Tamb = −40 °C to +85 °C
tPHL, tPLH
propagation delay An to Yn
see Figure 6
VCC = 2.0 V
-
-
200
ns
VCC = 4.5 V
-
-
40
ns
VCC = 6.0 V
-
-
34
ns
propagation delay LE to Yn
see Figure 6
VCC = 2.0 V
-
-
240
ns
VCC = 4.5 V
-
-
48
ns
VCC = 6.0 V
-
-
41
ns
propagation delay E1 to Yn
see Figure 7
VCC = 2.0 V
-
-
180
ns
VCC = 4.5 V
-
-
36
ns
VCC = 6.0 V
-
-
31
ns
propagation delay E2 to Yn
see Figure 6
VCC = 2.0 V
-
-
180
ns
VCC = 4.5 V
-
-
36
ns
VCC = 6.0 V
-
-
31
ns
tTHL, tTLH
output transition time
see Figure 7
VCC = 2.0 V
-
-
95
ns
VCC = 4.5 V
-
-
19
ns
VCC = 6.0 V
-
-
16
ns
tW
LE pulse width HIGH
see Figure 8
VCC = 2.0 V
65
-
-
ns
VCC = 4.5 V
13
-
-
ns
VCC = 6.0 V
11
-
-
ns
tsu
set-up time An to LE
see Figure 8
VCC = 2.0 V
65
-
-
ns
VCC = 4.5 V
13
-
-
ns
VCC = 6.0 V
11
-
-
ns
th
hold time An to LE
see Figure 8
VCC = 2.0 V
40
-
-
ns
VCC = 4.5 V
8
-
-
ns
VCC = 6.0 V
7
-
-
ns
Table 8:
Dynamic characteristics …continued
GND = 0 V; tr =tf = 6 ns; CL = 50 pF; see Figure 9.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit



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