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74LVC821ADB датащи(PDF) 2 Page - List of Unclassifed Manufacturers

номер детали 74LVC821ADB
подробное описание детали  10-bit D-type flip-flop with 5 V tolerant inputs/outputs; positive-edge trigger; 3-state
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74LVC821ADB датащи(HTML) 2 Page - List of Unclassifed Manufacturers

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9397 750 13276
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 03 — 11 May 2004
2 of 20
Philips Semiconductors
74LVC821A
10-bit D-type flip-flop with 5 V tolerant inputs/outputs
3.
Quick reference data
[1]
CPD is used to determine the dynamic power dissipation (PD in µW).
PD =CPD × VCC2 × fi × N+ Σ (CL × VCC2 × fo) where:
fi = input frequency in MHz;
fo = output frequency in MHz;
CL = output load capacitance in pF;
VCC = supply voltage in Volts;
N = total load switching outputs;
Σ (C
L × VCC
2
× f
o) = sum of the outputs.
[2]
The condition is VI = GND to VCC.
4.
Ordering information
Table 1:
Quick reference data
GND = 0 V; Tamb = 25 °C; tr = tf ≤ 2.5 ns.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
tPHL, tPLH
propagation delay CP to Qn
CL = 50 pF; VCC = 3.3 V
-
3.7
-
ns
tPZH, tPZL
3-state output enable time OE to Qn
CL = 50 pF; VCC = 3.3 V
-
3.5
-
ns
tPHZ, tPLZ
3-state output disable time OE to Qn
CL = 50 pF; VCC = 3.3 V
-
3.0
-
ns
fmax
maximum clock frequency
CL = 50 pF; VCC = 3.3 V
-
200
-
MHz
CI
input capacitance
-
5.0
-
pF
CPD
power dissipation capacitance per gate
VCC = 3.3 V
[1] [2]
outputs enabled
-
17
-
pF
outputs disabled
-
11
-
pF
Table 2:
Ordering information
Type number
Package
Temperature range
Name
Description
Version
74LVC821AD
−40 °C to +125 °C
SO24
plastic small outline package; 24 leads; body width
7.5 mm
SOT137-1
74LVC821ADB
−40 °C to +125 °C
SSOP24
plastic shrink small outline package; 24 leads; body
width 5.3 mm
SOT340-1
74LVC821APW
−40 °C to +125 °C
TSSOP24
plastic thin shrink small outline package; 24 leads;
body width 4.4 mm
SOT355-1
74LVC821ABQ
−40 °C to +125 °C
DHVQFN24 plastic dual in-line compatible thermal enhanced
very thin quad flat package; no leads; 24 terminals;
body 3.5
× 5.5 × 0.85 mm
SOT815-1


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