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Part: 74F828
Category:
Logic
-> Buffers/Drivers
Description: 74F827; 74F828; 10-bit Buffer/line Driver, Non-inverting (3-State); 10-bit Buffer/line Driver, Inverting (3-State);; Package: SOT137 (SO24), SOT222-1 (DIP24)
Company: Philips Semiconductors
Datasheet: Download 74F828 datasheet File size : 180 kB
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Datasheet text preview:
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 (20µA 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 20µA vs FAST family spec of 600µA and 1000µA 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 = 0°C to +70°C 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 20µA/20µA 20µA/20µA 24mA/64mA 24mA/64mA
NOTES: One (1.0) FAST Unit Load is defined as: 20µA 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 output voltage out voltage VCC = MIN, VIL = MAX MAX, VIH = MIN Low-level output voltage out voltage 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 (total) 74F828 ICCL ICCZ ICCH ICCL ICCZ VCC = MAX VCC = MAX VCC = MIN, VIL = MAX, MAX, VIH = MIN IOH = 24mA 24mA CONDITIONS TEST CONDITIONS1 "10%VCC IOH = 15mA 15mA "5%VCC "10%VCC "5%VCC "10%VCC IOL = MAX 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 µA µA µA µA µA 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 = 25°C. 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
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