74hc21db NXP Semiconductors, 74hc21db Datasheet

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74hc21db

Manufacturer Part Number
74hc21db
Description
Dual 4-input And Gate
Manufacturer
NXP Semiconductors
Datasheet
1.74HC21DB.pdf (15 pages)
1. General description
2. Features
3. Quick reference data
The 74HC21 is a high-speed Si-gate CMOS device and is pin compatible with low-power
Schottky TTL (LSTTL). The 74HC21 is specified in compliance with JEDEC
standard no. 7A.
The 74HC21 provide the 4-input AND function.
Table 1:
GND = 0 V; T
[1]
Symbol
t
C
C
PHL
I
PD
74HC21
Dual 4-input AND gate
Rev. 03 — 12 November 2004
Low-power dissipation
Complies with JEDEC standard no. 7A
ESD protection:
Multiple package options
Specified from 40 C to +80 C and from 40 C to +125 C.
, t
C
P
f
f
C
V
N = number of inputs switching;
i
o
D
CC
PD
= input frequency in MHz;
L
(C
PLH
= output frequency in MHz;
= output load capacitance in pF;
HBM EIA/JESD22-A114-B exceeds 2000 V
MM EIA/JESD22-A115-A exceeds 200 V.
= C
L
is used to determine the dynamic power dissipation (P
= supply voltage in V;
PD
V
Quick reference data
CC
amb
Parameter
propagation delay nA,
nB, nC, nD to nY
input capacitance
power dissipation
capacitance
2
V
CC
= 25 C; t
f
o
2
) = sum of outputs.
f
i
N + (C
r
= t
f
= 6 ns.
L
V
CC
2
Conditions
C
V
V
f
CC
I
o
L
) where:
= GND to V
= 15 pF;
= 5 V
CC
D
in W).
[1]
Min
-
-
-
Product data sheet
Typ
10
3.5
15
Max
-
-
-
Unit
ns
pF
pF

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74hc21db Summary of contents

Page 1

Dual 4-input AND gate Rev. 03 — 12 November 2004 1. General description The 74HC21 is a high-speed Si-gate CMOS device and is pin compatible with low-power Schottky TTL (LSTTL). The 74HC21 is specified in compliance with JEDEC standard ...

Page 2

... Ordering information Table 2: Ordering information Type number Package Temperature range Name 74HC21N +125 C 74HC21D +125 C 74HC21DB +125 C 5. Functional diagram Fig 1. Functional diagram Fig 3. IEC logic symbol 9397 750 13806 Product data sheet Description DIP14 plastic dual in-line package; 14 leads (300 mil) SO14 plastic small outline package ...

Page 3

Philips Semiconductors 6. Pinning information 6.1 Pinning Fig 5. Pin configuration 6.2 Pin description Table 3: Symbol GND n. 9397 750 13806 Product data sheet 1A 1 ...

Page 4

Philips Semiconductors 7. Functional description 7.1 Function table Table 4: Input [ HIGH voltage level LOW voltage level don’t care. 8. Limiting values Table 5: In accordance with ...

Page 5

Philips Semiconductors 9. Recommended operating conditions Table 6: Symbol amb 10. Static characteristics Table 7: Static characteristics At recommended operating conditions; voltages are referenced to GND (ground = ...

Page 6

Philips Semiconductors Table 7: Static characteristics At recommended operating conditions; voltages are referenced to GND (ground = 0 V). Symbol Parameter +85 C amb V HIGH-level input voltage IH V LOW-level input voltage IL V ...

Page 7

Philips Semiconductors Table 7: Static characteristics At recommended operating conditions; voltages are referenced to GND (ground = 0 V). Symbol Parameter +125 C amb V HIGH-level input voltage IH V LOW-level input voltage IL V ...

Page 8

Philips Semiconductors 11. Dynamic characteristics Table 8: Dynamic characteristics GND = ns pF; see Symbol Parameter amb propagation delay nA, ...

Page 9

Philips Semiconductors 12. Waveforms Fig 6. Waveforms showing the input (nA, nB, nC, nD) to output (nY) propagation delays Fig 7. Load circuitry for switching times Table 9: Supply V CC 2.0 V 4.5 V 6.0 V 5.0 V 9397 ...

Page 10

Philips Semiconductors 13. Package outline DIP14: plastic dual in-line package; 14 leads (300 mil pin 1 index 1 DIMENSIONS (inch dimensions are derived from the original mm dimensions UNIT max. min. max. ...

Page 11

Philips Semiconductors SO14: plastic small outline package; 14 leads; body width 3 pin 1 index 1 e DIMENSIONS (inch dimensions are derived from the original mm dimensions) A UNIT max. ...

Page 12

Philips Semiconductors SSOP14: plastic shrink small outline package; 14 leads; body width 5 pin 1 index 1 e DIMENSIONS (mm are the original dimensions) A UNIT max. 0.21 1.80 mm ...

Page 13

Philips Semiconductors 14. Revision history Table 10: Revision history Document ID Release date 74HC21_3 20041112 • Modifications: The format of this data sheet has been redesigned to comply with the current presentation and information standard of Philips Semiconductors. • Removed ...

Page 14

Philips Semiconductors 15. Data sheet status [1] Level Data sheet status Product status I Objective data Development II Preliminary data Qualification III Product data Production [1] Please consult the most recently issued data sheet before initiating or completing a design. ...

Page 15

Philips Semiconductors 19. Contents 1 General description . . . . . . . . . . . . . . . . . . . . . . 1 2 Features . . . . . . . . ...

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