74HC377 View Datasheet(PDF) - NXP Semiconductors.
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Description
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74HC377 Datasheet PDF : 18 Pages
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Nexperia
74HC377; 74HCT377
Octal D-type flip-flop with data enable; positive-edge trigger
Table 7. Dynamic characteristics …continued
GND (ground = 0 V); CL = 50 pF unless otherwise specified; for test circuit, see Figure 8
Symbol Parameter
Conditions
25 C
40 C to +85 C 40 C to +125 C Unit
Min Typ Max Min Max
Min
Max
CPD
power
per package;
[3] - 20 -
-
-
-
- pF
dissipation
VI = GND to VCC 1.5 V
capacitance
[1] tpd is the same as tPHL and tPLH.
[2] tt is the same as tTHL and tTLH.
[3] CPD is used to determine the dynamic power dissipation (PD in W).
PD = CPD VCC2 fi + (CL VCC2 fo) where:
fi = input frequency in MHz;
fo = output frequency in MHz;
(CL VCC2 fo) = sum of outputs;
CL = output load capacitance in pF;
VCC = supply voltage in V.
11. Waveforms
9,
&3LQSXW
*1'
92+
4QRXWSXW
92/
IPD[
90
W:
W 3+/
90
W 3/+
DDF
Fig 6.
Measurement points are given in Table 8.
VOL and VOH are typical voltage output levels that occur with the output load.
Propagation delay clock input (CP) to output (Qn), clock (CP) pulse width, output transition time and the
maximum clock pulse frequency
74HC_HCT377
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 24 February 2016
© Nexperia B.V. 2017. All rights reserved
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