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INTEGRATED CIRCUITS
74F827 10-bit buffer/line driver, non-inverting (3-State) 74F828 10-bit buffer/line driver, inverting (3-State)
Product specification IC15 Data Handbook 1994 Dec 5
Philips Semiconductors
Philips Semiconductors
Product specification
Buffers
74F827 10-bit buffer/line driver, non-inverting (3-State) 74F828 10-bit buffer/line driver, inverting (3-State)
FEATURES
74F827, 74F828
*High impedance NPN base inputs for reduced loading (20A in
High and Low states)
DESCRIPTION
The 74F827 and 74F828 10-Bit buffers provide high performance bus interface buffering for wide data/address paths or buses carrying parity. They have NOR Output Enables (OE0, OE1) for maximum control flexibility. The 74F827 and 74F828 are functionally and pin compatible to AMD AM29827 and AM29828. The 74F828 is an inverting version of 74F827. TYPICAL PROPAGATION DELAY 6.0ns 6.0ns TYPICAL SUPPLY CURRENT (TOTAL) 60mA 55mA
*IIL is 20A vs FAST family spec of 600A and 1000A for
AMD 29827/29828 series
*Ideal where high speed, light bus loading and increased fan-in are
required
*Controlled rise and fall times to minimize ground bounce *Glitch free power-up in 3-State *Flow through pinout architecture for microprocessor oriented
applications
TYPE 74F827 74F828
*Outputs sink 64mA *74F827 available in SSOP type II package
ORDERING INFORMATION
PACKAGES 24-Pin Plastic DIP (300 mil) 24-Pin Plastic SOL 24-Pin Plastic SSOP Type II
COMMERCIAL RANGE VCC = 5V"10%; TA = 0C to +70C N74F827N, N74F828N N74F827D, N74F828D N74F827DB
DRAWING NUMBER SOT222-1 SOT137-1 SOT340-1
INPUT AND OUTPUT LOADING AND FAN-OUT TABLE
PINS D0-D9 OE0-OE1 Q0-Q9 Q0-Q9 Data inputs Output enable inputs (active Low) Data outputs (74F827) Data outputs ( 74F828) DESCRIPTION 74F(U.L.) HIGH/LOW 1.0/0.033 1.0/0.033 1200/106.7 1200/106.7 LOAD VALUE HIGH/LOW 20A/20A 20A/20A 24mA/64mA 24mA/64mA
NOTES: One (1.0) FAST Unit Load is defined as: 20A in the High state and 0.6 mA in the Low state.
1994 Dec 05
2
853-0880 14382
Philips Semiconductors
Product specification
Buffers
74F827, 74F828
PIN CONFIGURATION - 74F827
OE0 D0 D1 D2 D3 D4 D5 D6 D7 1 2 3 4 5 6 7 8 9 24 VCC 23 Q0 22 Q1 21 Q2 20 Q3 19 Q4 18 Q5 17 Q6 16 Q7 15 Q8 14 Q9 13 OE1
PIN CONFIGURATION - 74F828
OE0 D0 D1 D2 D3 D4 D5 D6 D7 1 2 3 4 5 6 7 8 9 24 VCC 23 Q0 22 Q1 21 Q2 20 Q3 19 Q4 18 Q5 17 Q6 16 Q7 15 Q8 14 Q9 13 OE1
D8 10 D9 11 GND 12
D8 10 D9 11 GND 12
SF00266
SF00269
LOGIC SYMBOL - 74F827
LOGIC SYMBOL - 74F828
2
3
4
5
6
7
8
9
10 11
2
3
4
5
6
7
8
9
10 11
D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 1 13 OE0 OE1 Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 1 13
D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 OE0 OE1 Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9
23 22 21 20 19 18 17 16 15 14
23 22 21 20 19 18 17 16 15 14
VCC = Pin 24 GND = Pin 12
VCC = Pin 24 GND = Pin 12
SF00267
SF00270
LOGIC SYMBOL (IEEE/IEC) - 74F827
1 13 & EN1
LOGIC SYMBOL (IEEE/IEC) - 74F828
1 13 & EN1
2 3 4 5 6 7 8 9 10 11
1
23 22 21 20 19 18 17 16 15 14
2 3 4 5 6 7 8 9 10 11
1
23 22 21 20 19 18 17 16 15 14
SF00268
SF00271
1994 Dec 05
3
Philips Semiconductors
Product specification
Buffers
74F827, 74F828
LOGIC DIAGRAM 74F827
D0 2 D1 3 D2 4 D3 5 D4 6 D5 7 D6 8 D7 9 D8 10 D9 11
1 OE0 OE1 13 23 Q0 VCC = Pin 24 GND = Pin 12 22 Q1 21 Q2 20 Q3 19 Q4 18 Q5 17 Q6 16 Q7 15 Q8 14 Q9
SF00272
LOGIC DIAGRAM 74F828
D0 2 D1 3 D2 4 D3 5 D4 6 D5 7 D6 8 D7 9 D8 10 D9 11
OE0 OE1
1 13 23 Q0 22 Q1 21 Q2 20 Q3 19 Q4 18 Q5 17 Q6 16 Q7 15 Q8 14 Q9
VCC = Pin 24 GND = Pin 12
SF00280
FUNCTION TABLE
OUTPUTS INPUTS 74F827 OEn L L H H L X Z = = = = Dn L H X Qn L H Z 74F828 Qn H L Z Transparent Transparent High impedance OPERATING MODE
High voltage level Low voltage level Don't care High impedance "off" state
ABSOLUTE MAXIMUM RATINGS
Operation beyond the limits set forth in this table may impair the useful life of the device. Unless otherwise noted these limits are over the operating free-air temperature range. SYMBOL VCC VIN IIN VOUT IOUT TA Tstg Supply voltage Input voltage Input current Voltage applied to output in High output state Current applied to output in Low output state Operating free-air temperature range Storage temperature range PARAMETER RATING -0.5 to +7.0 -0.5 to +7.0 -30 to +5 -0.5 to +VCC 128 0 to + 70 -65 to + 150 UNIT V V mA V mA C C
1994 Dec 05
4
Philips Semiconductors
Product specification
Buffers
74F827, 74F828
RECOMMENDED OPERATING CONDITIONS
LIMITS SYMBOL VCC VIH VIL IIK IOH IOL Tamb Supply voltage High-level input voltage Low-level input voltage Input clamp current High-level output current Low-level output current Operating free-air temperature range 0 PARAMETER Min 4.5 2.0 0.8 -18 -24 64 +70 Nom 5.0 Max 5.5 V V V mA mA mA C UNIT
DC ELECTRICAL CHARACTERISTICS
Over recommended operating free-air temperature range unless otherwise noted. LIMITS SYMBOL PARAMETER VCC = MIN, VIL = MAX MAX, VIH = MIN VOH High-level out ut voltage output VCC = MIN, VIL = MAX MAX, VIH = MIN Low-level out ut voltage output Input clamp voltage Input current at maximum input voltage High-level input current Low-level input current Off-state output current, High voltage applied Off-state output current, Low voltage applied Short circuit output current3 ICCH 74F827 ICC Supply current y (total) 74F828 ICCL ICCZ ICCH ICCL ICCZ VCC = MAX VCC = MAX VCC = MIN, VIL = MAX, VIH = MIN IOH = -24mA TEST CONDITIONS1 "10%VCC IOH = -15mA "5%VCC "10%VCC "5%VCC "10%VCC IOL = MAX "5%VCC 0.42 -0.73 MIN 2.4 2.4 2.0 2.0 0.55 0.55 -1.2 100 20 -20 50 -50 -100 50 70 60 30 65 55 -225 70 100 90 45 85 70 3.3 TYP2 MAX UNIT V V V V V V V A A A A A mA mA mA mA mA mA mA
VOL VIK II IIH IIL IOZH IOZL IOS
VCC = MIN, II = IIK VCC = 0.0V, VI = 7.0V VCC = MAX, VI = 2.7V VCC = MAX, VI = 0.5V VCC = MAX, VO = 2.7V VCC = MAX, VO = 0.5V VCC = MAX
NOTES: 1. For conditions shown as MIN or MAX, use the appropriate value specified under operating conditions for the applicable type. 2. All typical values are at VCC = 5V, TA = 25C. 3. Not more than one output should be shorted at one time. For testing IOS, the use of high-speed test apparatus and/or sample-and-hold techniques are preferable in order to minimize internal heating and more accurately reflect operational values. Otherwise, prolonged shorting of a High output may raise the chip temperature well above normal and thereby cause invalid readings in other parameter tests. In any sequence of parameter tests, IOS tests should be performed last.
1994 Dec 05
5
Philips Semiconductors
Product specification
Buffers
74F827, 74F828
AC CHARACTERISTICS
LIMITS Tamb = +25C VCC = 5V CL = 50pF RL = 500 Min tPLH tPHL tPZH tPZL tPHZ tPLZ tPLH tPHL tPZH tPZL tPHZ tPLZ Propagation delay Dn to Qn Output enable time OEn to Qn Output disable time OEn to Qn Propagation delay Dn to Qn Output enable time OEn to Qn Output disable time OEn to Qn 74F828 74F827 Waveform 1 Waveform 3 Waveform 4 Waveform 3 Waveform 4 Waveform 2 Waveform 3 Waveform 4 Waveform 3 Waveform 4 2.0 2.0 5.0 4.0 2.5 2.5 2.0 1.0 6.0 5.0 2.5 1.5 Typ 5.5 4.5 8.0 6.0 5.0 5.0 6.0 3.0 8.0 7.0 5.0 4.0 Max 8.5 8.5 12.0 10.5 8.0 8.0 8.5 7.0 11.5 10.5 8.5 7.0 Tamb = 0 C to +70C VCC = 5V "10% CL = 50pF RL = 500 Min 2.0 2.0 4.5 4.0 2.0 2.0 2.0 1.0 5.5 4.5 2.0 1.5 Max 9.0 9.0 14.0 11.5 8.5 8.5 9.5 8.0 14.0 12.0 9.0 8.0 ns ns ns ns ns ns
SYMBOL
PARAMETER
UNIT
AC CHARACTERISTICS
for 1 Output switching with CL = 300pF and RL = 500 load LIMITS Tamb = +25C VCC = 5V CL = 300pF RL = 500 MIN tPLH tPHL tPZH tPZL tPHZ tPLZ tPLH tPHL tPZH tPZL tPHZ tPLZ Propagation delay Dn to Qn Output enable time OEn to Qn Output disable time OEn to Qn Propagation delay Dn to Qn Output enable time OEn to Qn Output disable time OEn to Qn 74F828 74F827 Waveform 1 Waveform 3 Waveform 4 Waveform 3 Waveform 4 Waveform 2 Waveform 3 Waveform 4 Waveform 3 Waveform 4 Typ 9.5 7.5 15.0 9.5 15.0 9.5 10.0 6.0 15.5 10.5 15.0 10.0 Max 13.0 10.0 20.0 13.0 19.0 13.5 13.0 9.0 19.0 13.0 18.0 13.0 Tamb = 0 C to +70C VCC = 5V "10% CL = 300pF RL = 500 MIN Max 14.0 11.0 21.0 14.0 20.0 14.0 14.0 10.0 21.0 14.0 20.0 14.5 ns ns ns ns ns ns
SYMBOL
PARAMETER
UNIT
1994 Dec 05
6
Philips Semiconductors
Product specification
Buffers
74F827, 74F828
AC CHARACTERISTICS
for 10 Outputs switching with CL = 300pF and RL = 500 load LIMITS Tamb = +25C VCC = 5V CL = 50pF RL = 500 MIN tPLH tPHL tPZH tPZL tPHZ tPLZ tPLH tPHL tPZH tPZL tPHZ tPLZ Propagation delay Dn to Qn Output enable time OEn to Qn Output disable time OEn to Qn Propagation delay Dn to Qn Output enable time OEn to Qn Output disable time OEn to Qn 74F828 74F827 Waveform 1 Waveform 3 Waveform 4 Waveform 3 Waveform 4 Waveform 2 Waveform 3 Waveform 4 Waveform 3 Waveform 4 Typ 12.0 14.0 15.0 17.0 15.0 12.5 10.0 10.0 18.0 15.0 16.5 11.5 Max 16.0 17.0 20.0 21.0 19.0 15.5 17.0 13.5 21.0 18.0 19.5 14.5 Tamb = 0 C to +70C VCC = 5V "10% CL = 50pF RL = 500 MIN Max 17.0 18.0 21.0 21.5 20.0 16.0 18.0 14.0 23.0 19.0 22.5 15.0 ns ns ns ns ns ns
SYMBOL
PARAMETER
UNIT
AC WAVEFORMS
For all waveforms, VM = 1.5V
Dn
VM tPLH
VM tPHL
OEn
VM tPZH
VM tPHZ VM 0V VOH -0.3V
Qn
VM
VM
Qn, Qn
SF00125
Waveform 1. Propagation Delay for Non-Inverting Output
SF00263
Waveform 3. 3-State Output Enable Time to High Level and Output Disable Time from High Level
Dn VM tPHL VM tPLH
OEn
VM tPZL
VM tPLZ VM VOL +0.3V
Qn
VM
VM Qn, Qn
SF00282
Waveform 2. Propagation Delay for Inverting Output
SF00264
Waveform 4. 3-State Output Enable Time to Low Level and Output Disable Time from Low Level
1994 Dec 05
7
Philips Semiconductors
Product specification
Buffers
74F827, 74F828
VCC 7.0V VIN PULSE GENERATOR RT D.U.T. VOUT RL NEGATIVE PULSE 90% VM 10% tTHL (tf ) CL RL tTLH (tr ) 90% POSITIVE PULSE 10%
tw VM 10% tTLH (tr )
90%
AMP (V)
0V
tTHL (tf ) AMP (V) 90% VM tw 10% 0V
Test Circuit for Open Collector Outputs SWITCH POSITION TEST tPLZ tPZL All other SWITCH closed closed open
VM
Input Pulse Definition
DEFINITIONS: RL = Load resistor; see AC electrical characteristics for value. CL = Load capacitance includes jig and probe capacitance; see AC electrical characteristics for value. RT = Termination resistance should be equal to ZOUT of pulse generators.
INPUT PULSE REQUIREMENTS family amplitude VM 74F 3.0V 1.5V rep. rate 1MHz tw 500ns tTLH 2.5ns tTHL 2.5ns
SF00128
1994 Dec 05
8
Philips Semiconductors
Product specification
Buffers
74F827, 74F828
DIP24: plastic dual in-line package; 24 leads (300 mil)
SOT222-1
1994 Dec 05
9
Philips Semiconductors
Product specification
Buffers
74F827, 74F828
SO24: plastic small outline package; 24 leads; body width 7.5 mm
SOT137-1
1994 Dec 05
10
Philips Semiconductors
Product specification
Buffers
74F827, 74F828
SSOP24: plastic shrink small outline package; 24 leads; body width 5.3 mm
SOT340-1
1994 Dec 05
11
Philips Semiconductors
Product specification
Buffers
74F827, 74F828
DEFINITIONS
Data Sheet Identification
Objective Specification
Product Status
Formative or in Design
Definition
This data sheet contains the design target or goal specifications for product development. Specifications may change in any manner without notice. This data sheet contains preliminary data, and supplementary data will be published at a later date. Philips Semiconductors reserves the right to make changes at any time without notice in order to improve design and supply the best possible product. This data sheet contains Final Specifications. Philips Semiconductors reserves the right to make changes at any time without notice, in order to improve design and supply the best possible product.
Preliminary Specification
Preproduction Product
Product Specification
Full Production
Philips Semiconductors and Philips Electronics North America Corporation reserve the right to make changes, without notice, in the products, including circuits, standard cells, and/or software, described or contained herein in order to improve design and/or performance. Philips Semiconductors assumes no responsibility or liability for the use of any of these products, conveys no license or title under any patent, copyright, or mask work right to these products, and makes no representations or warranties that these products are free from patent, copyright, or mask work right infringement, unless otherwise specified. Applications that are described herein for any of these products are for illustrative purposes only. Philips Semiconductors makes no representation or warranty that such applications will be suitable for the specified use without further testing or modification. LIFE SUPPORT APPLICATIONS Philips Semiconductors and Philips Electronics North America Corporation Products are not designed for use in life support appliances, devices, or systems where malfunction of a Philips Semiconductors and Philips Electronics North America Corporation Product can reasonably be expected to result in a personal injury. Philips Semiconductors and Philips Electronics North America Corporation customers using or selling Philips Semiconductors and Philips Electronics North America Corporation Products for use in such applications do so at their own risk and agree to fully indemnify Philips Semiconductors and Philips Electronics North America Corporation for any damages resulting from such improper use or sale. Philips Semiconductors 811 East Arques Avenue P.O. Box 3409 Sunnyvale, California 94088-3409 Telephone 800-234-7381 Philips Semiconductors and Philips Electronics North America Corporation register eligible circuits under the Semiconductor Chip Protection Act. (c) Copyright Philips Electronics North America Corporation 1994 All rights reserved. Printed in U.S.A.

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