Dual 4-input gate Rev. November 2004 Product data sheet 74HC
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74HC21
Dual 4-input gate
Rev. November 2004 Product data sheet
74HC21 high-speed Si-gate CMOS device compatible with low-power Schottky (LSTTL). 74HC21 specified compliance with JEDEC standard 74HC21 provide 4-input function.
Features
Low-power dissipation Complies with JEDEC standard protection: EIA/JESD22-A114-B exceeds 2000 EIA/JESD22-A115-A exceeds Multiple package options Specified from from +125
Quick reference data
Table Quick reference data Tamb Symbol tPHL, tPLH
Parameter propagation delay input capacitance power dissipation capacitance
Conditions
Unit
used determine dynamic power dissipation µW). VCC2 VCC2 where: input frequency MHz; output frequency MHz; output load capacitance supply voltage number inputs switching; VCC2 outputs.
Philips Semiconductors
74HC21
Dual 4-input gate
Ordering information
Table Ordering information Package Temperature range 74HC21N 74HC21D 74HC21DB +125 +125 +125 Name DIP14 SO14 SSOP14 Description plastic dual in-line package; leads (300 mil) plastic small outline package; leads; body width plastic shrink small outline package; leads; body width Version SOT27-1 SOT108-1 SOT337-1 Type number
Functional diagram
001aab975
001aab973
Functional diagram
Logic symbol
001aab974
001aab976
logic symbol
Logic diagram
9397 13806
Koninklijke Philips Electronics N.V. 2004. rights reserved.
Product data sheet
Rev. November 2004
Philips Semiconductors
74HC21
Dual 4-input gate
Pinning information
Pinning
n.c.
001aab972
n.c.
configuration
description
Table Symbol n.c. n.c. description Description data input data input connected data input data input data output ground data output data input data input connected data input data input positive supply voltage
9397 13806
Koninklijke Philips Electronics N.V. 2004. rights reserved.
Product data sheet
Rev. November 2004
Philips Semiconductors
74HC21
Dual 4-input gate
Functional description
Function table
Table Input
Function table Output
HIGH voltage level; voltage level; don't care.
Limiting values
Table Limiting values accordance with Absolute Maximum Rating System (IEC 60134). Voltages referenced (ground Symbol ICC, IGND Tstg Ptot Parameter supply voltage input diode current output diode current output source sink current current storage temperature power dissipation DIP14 package SO14 SSOP14 packages
Conditions -0.5 -0.5 -0.5
-0.5
+150
Unit
Above Ptot derates linearly with mW/K. Above Ptot derates linearly with mW/K.
9397 13806
Koninklijke Philips Electronics N.V. 2004. rights reserved.
Product data sheet
Rev. November 2004
Philips Semiconductors
74HC21
Dual 4-input gate
Recommended operating conditions
Table Symbol Recommended operating conditions Parameter supply voltage input voltage output voltage input rise fall times Tamb ambient temperature Conditions 1000 +125 Unit
Static characteristics
Table Static characteristics recommended operating conditions; voltages referenced (ground Symbol Parameter HIGH-level input voltage Conditions LOW-level input voltage HIGH-level output voltage -5.2 LOW-level output voltage input leakage current quiescent supply current input capacitance GND; GND; 0.15 0.16 0.26 0.26 ±0.1 3.98 5.48 4.32 5.81 3.15 1.35 Unit Tamb
9397 13806
Koninklijke Philips Electronics N.V. 2004. rights reserved.
Product data sheet
Rev. November 2004
Philips Semiconductors
74HC21
Dual 4-input gate
Table Static characteristics .continued recommended operating conditions; voltages referenced (ground Symbol Parameter HIGH-level input voltage Conditions LOW-level input voltage HIGH-level output voltage -5.2 LOW-level output voltage input leakage current quiescent supply current GND; GND; 0.33 0.33 ±1.0 20.0 3.84 5.34 3.15 1.35 Unit Tamb
9397 13806
Koninklijke Philips Electronics N.V. 2004. rights reserved.
Product data sheet
Rev. November 2004
Philips Semiconductors
74HC21
Dual 4-input gate
Table Static characteristics .continued recommended operating conditions; voltages referenced (ground Symbol Parameter HIGH-level input voltage Conditions LOW-level input voltage HIGH-level output voltage -5.2 LOW-level output voltage input leakage current quiescent supply current GND; GND; ±1.0 40.0 3.15 1.35 Unit Tamb +125
9397 13806
Koninklijke Philips Electronics N.V. 2004. rights reserved.
Product data sheet
Rev. November 2004
Philips Semiconductors
74HC21
Dual 4-input gate
Dynamic characteristics
Table Dynamic characteristics Figure Symbol tPHL, tPLH Parameter Conditions Unit Tamb propagation delay Figure tTHL, tTLH output transition time Figure tPHL, tPLH power dissipation capacitance
Tamb propagation delay Figure tTHL, tTLH output transition time Figure Tamb +125 tPHL, tPLH propagation delay Figure tTHL, tTLH output transition time Figure
used determine dynamic power dissipation µW). VCC2 VCC2 where: input frequency MHz; output frequency MHz; output load capacitance supply voltage number inputs switching; VCC2 outputs.
9397 13806
Koninklijke Philips Electronics N.V. 2004. rights reserved.
Product data sheet
Rev. November 2004
Philips Semiconductors
74HC21
Dual 4-input gate
Waveforms
input
tPHL output
tPLH
tTHL
tTLH
001aab977
Waveforms showing input (nA, output (nY) propagation delays output transition times
PULSE GENERATOR D.U.T.
mna101
Test data given Table Definitions test circuit: Termination resistance should equal output impedance pulse generator. Load capacitance including probe capacitance.
Load circuitry switching times Table Supply Test data Input Load
9397 13806
Koninklijke Philips Electronics N.V. 2004. rights reserved.
Product data sheet
Rev. November 2004
Philips Semiconductors
74HC21
Dual 4-input gate
Package outline
DIP14: plastic dual in-line package; leads (300 mil) SOT27-1
seating plane
index
scale
DIMENSIONS (inch dimensions derived from original dimensions) UNIT inches max. 0.17 min. 0.51 0.02 max. 0.13 1.73 1.13 0.068 0.044 0.53 0.38 0.021 0.015 0.36 0.23 0.014 0.009 19.50 18.55 0.77 0.73 6.48 6.20 0.26 0.24 2.54 7.62 3.60 3.05 0.14 0.12 8.25 7.80 0.32 0.31 10.0 0.39 0.33 0.254 0.01 max. 0.087
Note Plastic metal protrusions 0.25 (0.01 inch) maximum side included. OUTLINE VERSION SOT27-1 REFERENCES 050G04 JEDEC MO-001 JEITA SC-501-14 EUROPEAN PROJECTION
ISSUE DATE 99-12-27 03-02-13
Package outline SOT27-1 (DIP14)
9397 13806 Koninklijke Philips Electronics N.V. 2004. rights reserved.
Product data sheet
Rev. November 2004
Philips Semiconductors
74HC21
Dual 4-input gate
SO14: plastic small outline package; leads; body width
SOT108-1
index detail
scale
DIMENSIONS (inch dimensions derived from original dimensions) UNIT max. 1.75 0.25 0.10 1.45 1.25 0.25 0.01 0.49 0.36 0.25 0.19 8.75 8.55 0.16 0.15 1.27 0.05 1.05 0.028 0.024 0.25 0.01 0.25 0.01
0.010 0.057 inches 0.069 0.004 0.049
0.019 0.0100 0.35 0.014 0.0075 0.34
0.244 0.039 0.041 0.228 0.016
0.028 0.004 0.012
Note Plastic metal protrusions 0.15 (0.006 inch) maximum side included. OUTLINE VERSION SOT108-1 REFERENCES 076E06 JEDEC MS-012 JEITA EUROPEAN PROJECTION
ISSUE DATE 99-12-27 03-02-19
Package outline SOT108-1 (SO14)
9397 13806 Koninklijke Philips Electronics N.V. 2004. rights reserved.
Product data sheet
Rev. November 2004
Philips Semiconductors
74HC21
Dual 4-input gate
SSOP14: plastic shrink small outline package; leads; body width
SOT337-1
index detail
scale
DIMENSIONS original dimensions) UNIT max. 0.21 0.05 1.80 1.65 0.25 0.38 0.25 0.20 0.09 0.65 1.25 1.03 0.63 0.13
Note Plastic metal protrusions 0.25 maximum side included. OUTLINE VERSION SOT337-1 REFERENCES JEDEC MO-150 JEITA EUROPEAN PROJECTION
ISSUE DATE 99-12-27 03-02-19
Package outline SOT337-1 (SSOP14)
9397 13806 Koninklijke Philips Electronics N.V. 2004. rights reserved.
Product data sheet
Rev. November 2004
Philips Semiconductors
74HC21
Dual 4-input gate
Revision history
Table Revision history Release date 20041112 Data sheet status Product data sheet Change notice Doc. number 9397 13806 Supersedes 74HC_HCT21_CNV_2 Document 74HC21_3 Modifications:
format this data sheet been redesigned comply with current presentation information standard Philips Semiconductors. Removed type number 74HCT21. Inserted family specification. Product specification Product specification 74HC_HCT21_1
74HC_HCT21_CNV_2 74HC_HCT21_1
19970828 19901201
9397 13806
Koninklijke Philips Electronics N.V. 2004. rights reserved.
Product data sheet
Rev. November 2004
Philips Semiconductors
74HC21
Dual 4-input gate
Data sheet status
Level Data sheet status Objective data Preliminary data Product status Development Qualification Definition This data sheet contains data from objective specification product development. Philips Semiconductors reserves right change specification manner without notice. This data sheet contains data from preliminary specification. Supplementary data will published later date. Philips Semiconductors reserves right change specification without notice, order improve design supply best possible product. This data sheet contains data from product specification. Philips Semiconductors reserves right make changes time order improve design, manufacturing supply. Relevant changes will communicated Customer Product/Process Change Notification (CPCN).
Product data
Production
Please consult most recently issued data sheet before initiating completing design. product status device(s) described this data sheet have changed since this data sheet published. latest information available Internet data sheets describing multiple type numbers, highest-level product status determines data sheet status.
Definitions
Short-form specification data short-form specification extracted from full data sheet with same type number title. detailed information relevant data sheet data handbook. Limiting values definition Limiting values given accordance with Absolute Maximum Rating System (IEC 60134). Stress above more limiting values cause permanent damage device. These stress ratings only operation device these other conditions above those given Characteristics sections specification implied. Exposure limiting values extended periods affect device reliability. Application information Applications that described herein these products illustrative purposes only. Philips Semiconductors make representation warranty that such applications will suitable specified without further testing modification.
Disclaimers
Life support These products designed life support appliances, devices, systems where malfunction these products reasonably expected result personal injury. Philips Semiconductors customers using selling these products such applications their risk agree fully indemnify Philips Semiconductors damages resulting from such application. Right make changes Philips Semiconductors reserves right make changes products including circuits, standard cells, and/or software described contained herein order improve design and/or performance. When product full production (status `Production'), relevant changes will communicated Customer Product/Process Change Notification (CPCN). Philips Semiconductors assumes responsibility liability these products, conveys license title under patent, copyright, mask work right these products, makes representations warranties that these products free from patent, copyright, mask work right infringement, unless otherwise specified.
Contact information
additional information, please visit: sales office addresses, send email
9397 13806
Koninklijke Philips Electronics N.V. 2004. rights reserved.
Product data sheet
Rev. November 2004
Philips Semiconductors
74HC21
Dual 4-input gate
Contents
General description Features Quick reference data Ordering information Functional diagram Pinning information Pinning description Functional description Function table Limiting values. Recommended operating conditions. Static characteristics. Dynamic characteristics Waveforms Package outline Revision history Data sheet status Definitions Disclaimers Contact information
Koninklijke Philips Electronics N.V. 2004
rights reserved. Reproduction whole part prohibited without prior written consent copyright owner. information presented this document does form part quotation contract, believed accurate reliable changed without notice. liability will accepted publisher consequence use. Publication thereof does convey imply license under patent- other industrial intellectual property rights. Date release: November 2004 Document number: 9397 13806
Published Netherlands
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