74ac16541 STMicroelectronics, 74ac16541 Datasheet

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74ac16541

Manufacturer Part Number
74ac16541
Description
16-bit Bus Buffer With 3-state Outputs Non Inverted
Manufacturer
STMicroelectronics
Datasheet

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74AC16541
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74ac16541TTR
Manufacturer:
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DESCRIPTION
The 74AC16541 is an advanced high-speed
CMOS 16-BIT BUS BUFFER (3-STATE) fabricat-
ed with sub-micron silicon gate and double-layer
metal wiring C
This is composed of two 8-bit sections with
separate output-enable signals. For either 8-bit
buffers section, the 3 STATE control gate
operates as a two input AND such that if either
nG1 and nG2 are high, all outputs are in the high
impedence state.
February 2003
HIGH SPEED:
t
LOW POWER DISSIPATION:
I
HIGH NOISE IMMUNITY:
V
POWER DOWN PROTECTION ON INPUTS
SYMMETRICAL OUTPUT IMPEDANCE:
|I
BALANCED PROPAGATION DELAYS:
t
OPERATING VOLTAGE RANGE:
V
PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 16541
IMPROVED LATCH-UP IMMUNITY
PD
CC
PLH
OH
NIH
CC
= 4.5 ns (TYP.) at V
= 8 A (MAX.) at T
| = I
(OPR) = 2V to 6V
= V
t
PHL
OL
NIL
= 24 mA (MIN)
2
= 28% V
MOS tecnology.
CC
A
CC
=25° C
(MIN.)
WITH 3-STATE OUTPUTS (NON INVERTED)
= 5V
ORDER CODES
PIN CONNECTION
PACKAGE
TSSOP
16-BIT BUS BUFFER
TSSOP
TUBE
74AC16541
74AC16541TTR
T & R
1/9

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74ac16541 Summary of contents

Page 1

... CC PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 16541 IMPROVED LATCH-UP IMMUNITY DESCRIPTION The 74AC16541 is an advanced high-speed CMOS 16-BIT BUS BUFFER (3-STATE) fabricat- ed with sub-micron silicon gate and double-layer 2 metal wiring C MOS tecnology. This is composed of two 8-bit sections with separate output-enable signals ...

Page 2

... INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No SYMBOL NAME AND FUNCTION 1, 48 1G1, 1G2 Output Enable Inputs 1Y1 to 1Y8 Data Outputs 11, 12 13, 14, 16, 17, 2Y1 to 2Y8 Data Outputs 19, 20, 22, 23 24, 25 2G1, 2G2 Output Enable Inputs ...

Page 3

... Supply Voltage CC V Input Voltage I V Output Voltage O T Operating Temperature op dt/dv Input Rise and Fall Time (note from 30 Parameter Parameter = 3.0, 4.5 or 5.5 CC 74AC16541 Value Unit -0.5 to +7.0 V -0.5 to +7 400 mA -65 to +150 °C 300 ° ...

Page 4

... DC SPECIFICATIONS Symbol Parameter V CC (V) V High Level Input 3.0 IH Voltage 4.5 5.5 V Low Level Input 3.0 IL Voltage 4.5 5.5 V High Level Output 3.0 OH Voltage 4.5 5.5 3.0 4.5 5.5 V Low Level Output 3.0 OL Voltage 4.5 5.5 3.0 4.5 Input Leakage I I 5.5 Current I High Impedance OZ Output Leakage 5.5 Current I Quiescent Supply CC 5.5 Current AC ELECTRICAL CHARACTERISTICS ( C Symbol Parameter Propagation Delay (*) 3 ...

Page 5

... R1 = 500 or equivalent pulse generator (typically OUT Test Condition T = 25° Min. Typ 10MHz 25 IN TEST 74AC16541 Value -40 to 85°C -55 to 125° C Unit Max. Min. Max. Min. Max CC(opr ...

Page 6

... WAVEFORM 1: PROPAGATION DELAYS (f=1MHz; 50% duty cycle) WAVEFORM 2: OUTPUT ENABLE AND DISABLE TIME (f=1MHz; 50% duty cycle) 6/9 ...

Page 7

... D 12.4 E 8.1 BSC E1 6.0 e 0.5 BSC K 0˚ PIN 1 IDENTIFICATION 1 MAX. MIN. 1.2 0.15 0.002 0.27 0.0067 0.20 0.0035 12.6 0.488 6.2 0.236 8˚ 0˚ 0.75 0.020 74AC16541 inch TYP. MAX. 0.047 0.006 0.035 0.011 0.0079 0.496 0.318 BSC 0.244 0.0197 BSC 8˚ 0.030 L E 7065588C 7/9 ...

Page 8

... Tape & Reel TSSOP48 MECHANICAL DATA DIM. MIN 12 8.7 Bo 13.1 Ko 1.5 Po 3.9 P 11.9 8/9 mm. TYP MAX. MIN. 330 13.2 0.504 0.795 2.362 30.4 8.9 0.343 13.3 0.516 1.7 0.059 4.1 0.153 12.1 0.468 inch TYP. MAX. 12.992 0.519 1.197 0.350 0.524 0.067 0.161 0.476 ...

Page 9

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