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RD74LVC16245B
16-bit Bus Transceivers with 3-state Outputs
REJ03D0529-0100 Rev.1.00 Apr. 18, 2005
Description
The RD74LVC16245B has sixteen two direction buffers, for the fittest at two direction bus lines with three state outputs. A direction control input, DIR. When DIR is high, data flows from the A inputs to the B outputs. When DIR is low, data flows from the B inputs to the A outputs. When enable inputs (G) is high, disables both A and B ports by placing then in a high impedance. Low voltage and high-speed operation is suitable at the battery drive product (note type personal computer) and low power consumption extends the life of a battery for long time operation.
Features
* * * * * * VCC = 1.65 V to 5.5 V All inputs VIH (Max.) = 5.5 V (@VCC = 0 V to 5.5 V) All outputs VOUT (Max.) = 5.5 V (@VCC = 0 V or output off state) Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25C) Typical VOH undershoot > 2.0 V (@VCC = 3.3 V, Ta = 25C) High output current 4 mA (@VCC = 1.65 V) 8 mA (@VCC = 2.3 V) 12 mA (@VCC = 2.7 V) 24 mA (@VCC = 3.0 V to 5.5 V) * Ordering Information
Part Name RD74LVC16245BTEL Package Type TSSOP-48 pin Package Code (Previous Code) PTSP0048KA-A (TTP-48DBV) Package Abbreviation T Taping Abbreviation (Quantity) EL (1,000 pcs/reel)
Function Table
Inputs G L L H H: High level L: Low level X: Immaterial Z: High impedance DIR L H X Operation B data to A bus A data to B bus Z
Rev.1.00 Apr. 18, 2005 page 1 of 7
RD74LVC16245B
Pin Arrangement
1DIR 1 1B1 2 1B2 3 GND 4 1B3 5 1B4 6 VCC 7 1B5 8 1B6 9 GND 10 1B7 11 1B8 12 2B1 13 2B2 14 GND 15 2B3 16 2B4 17 VCC 18 2B5 19 2B6 20 GND 21 2B7 22 2B8 23 2DIR 24
48 1G 47 1A1 46 1A2 45 GND 44 1A3 43 1A4 42 VCC 41 1A5 40 1A6 39 GND 38 1A7 37 1A8 36 2A1 35 2A2 34 GND 33 2A3 32 2A4 31 VCC 30 2A5 29 2A6 28 GND 27 2A7 26 2A8 25 2G
(Top view)
Absolute Maximum Ratings
Item Supply voltage Input diode current Input voltage Output diode current Input / output voltage Output current VCC, GND current / pin Storage temperature Symbol VCC IIK VI IOK VI/O IO ICC or IGND Tstg Ratings -0.5 to 7.0 -50 -0.5 to 7.0 -50 50 -0.5 to VCC +0.5 -0.5 to 7.0 50 100 -65 to 150 mA mA C V Unit V mA V mA VO = -0.5 V VO = VCC +0.5 V Output "H" or "L" Output "Z" or VCC:OFF VI = -0.5 V Conditions
Note: The absolute maximum ratings are values, which must not individually be exceeded, and furthermore, no two of which may be realized at the same time.
Rev.1.00 Apr. 18, 2005 page 2 of 7
RD74LVC16245B
Recommended Operating Conditions
Item Supply voltage Input / output voltage Symbol VCC VI VO Ta IOH Ratings 1.5 to 5.5 1.65 to 5.5 0 to 5.5 0 to VCC 0 to 5.5 -40 to 85 -4 -8 -12 -24 4 8 12 24 20 10 Unit V V Output "H" or "L" Output "Z" or VCC: OFF C mA VCC = 1.65 V VCC = 2.3 V VCC = 2.7 V VCC = 3.0 V to 5.5 V VCC = 1.65 V VCC = 2.3 V VCC = 2.7 V VCC = 3.0 V to 5.5 V VCC = 1.65 V to 2.7 V VCC = 3.0 V to 5.5 V Conditions Data hold At operation
Operating temperature Output current
IOL
mA
Input rise / fall time *1
tr, tf
ns/V
Notes: 1. This item guarantees maximum limit when one input switches. Waveform: Refer to test circuit of switching characteristics.
Electrical Characteristics
Item Input voltage Symbol VIH VCC (V) 1.65 to 1.95 2.3 to 2.7 2.7 to 3.6 4.5 to 5.5 1.65 to 1.95 2.3 to 2.7 2.7 to 3.6 4.5 to 5.5 1.65 to 5.5 1.65 2.3 2.7 3.0 3.0 4.5 1.65 to 5.5 1.65 2.3 2.7 3.0 4.5 0 to 5.5 0 2.7 to 5.5 2.7 to 3.6 2.7 to 5.5 2.7 to 3.6 Ta = -40 to 85C Min Max VCCx0.65 -- 1.7 -- 2.0 -- -- VCCx0.7 -- VCCx0.35 -- 0.7 -- 0.8 -- VCCx0.3 VCC -0.2 -- 1.2 -- 1.7 -- 2.2 -- 2.4 -- 2.2 -- 3.8 -- -- 0.2 -- 0.45 -- 0.7 -- 0.4 -- 0.55 -- 0.55 -- 5.0 -- 5.0 -- 5.0 -- -- -- 10 10 500 Unit V Test Conditions
VIL
V
Output voltage
VOH
V
IOH = -100 A IOH = -4 mA IOH = -8 mA IOH = -12 mA IOH = -24 mA
VOL
V
IOL = 100 A IOL = 4 mA IOL = 8 mA IOL = 12 mA IOL = 24 mA VIN = 5.5 V or GND VIN / VOUT = 5.5 V VIN = VCC, GND, VOUT = 5.5 V or GND VIN = 3.6 to 5.5 V VIN = VCC or GND VIN = one input at (VCC -0.6)V, other inputs at VCC or GND
Input current Output leak current Off state output current Quiescent supply current
IIN IOFF IOZ ICC ICC
A A A A A
Rev.1.00 Apr. 18, 2005 page 3 of 7
RD74LVC16245B
Switching Characteristics
Ta = -40 to 85C Item Propagation delay time Symbol tPLH tPHL VCC (V) 1.80.15 2.50.2 2.7 3.30.3 5.00.5 Output enable time tZH tZL 1.80.15 2.50.2 2.7 3.30.3 5.00.5 Output disable time tHZ tLZ 1.80.15 2.50.2 2.7 3.30.3 5.00.5 Between output pins skew
*1
From Unit ns (Input) A or B
To (Output) B or A
Min 1.0 1.0 1.0 1.5 1.0 1.0 1.0 1.0 1.5 1.0 1.0 1.0 1.0 1.5 1.0 -- -- -- -- -- -- --
Typ -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 4.0 8.0
Max 12.7 8.3 5.8 5.2 4.5 15.3 10.5 8.0 7.2 6.0 17.0 9.5 8.0 7.2 6.0 -- -- -- 1.0 1.0 -- --
ns
G
A or B
ns
G
A or B
tOSLH tOSHL
1.80.15 2.50.2 2.7 3.30.3 5.00.5
ns
Input capacitance Output capacitance Note:
CIN CO
3.3 3.3
pF pF
1. This parameter is characterized but not tested. tosLH = | tPLHm - tPLHn|, tosHL = | tPHLm - tPHLn|
Operating Characteristics
Ta = 25C Item Power dissipation capacitance Symbol CPD VCC (V) 1.8 2.5 3.3 5.0 Min Typ 42 43 45 47 Max Unit pF Test Conditions f = 10 MHz
Rev.1.00 Apr. 18, 2005 page 4 of 7
RD74LVC16245B
Test Circuit
VCC VCC
1G, 2G
See Function Table
Input Pulse Generator Zout = 50
Output 1A1 to 1A8 2A1 to 2A8 1B1 to 1B8 2B1 to 2B8 1DIR, 2DIR S1 RL S2 OPEN VTT CL RL GND
Symbol t PLH / t PHL t ZH/ t HZ t ZL / t LZ Notes: 1. CL includes probe and jig capacitance. 2. S1: Input-Output change switch.
S2 OPEN GND VTT
Waveforms - 1
tr 90 % Input Vref 10 % t PLH Vref 90 % Vref 10 % t PHL VOH Output Vref VOL tf VIH GND
Note: 1. Input waveform: PRR = 10 MHz, Zo = 50 , duty cycle 50%.
Rev.1.00 Apr. 18, 2005 page 5 of 7
RD74LVC16245B Waveforms - 2
tf G 90 % Vref 10 % t ZL Waveform - A t ZH Waveform - B Vref Vref t HZ VOH - V tr 90 % Vref 10 % t LZ VIH GND 1/2VTT VOL + V VOL VOH GND
INPUTS VCC (V)
VCC = 1.80.15 V VCC = 2.50.2 V VCC = 2.7 V VCC = 3.30.3 V VCC = 5.00.5 V
VI
VCC VCC
tr/tf
Vref
VTT
CL
30 pF 30 pF 50 pF 50 pF 50 pF
RL
1.0 k 500 500 500 500
V
0.15 V 0.15 V 0.3 V 0.3 V 0.3 V
2 ns 1/2 VCC 2x VCC 2 ns 1/2 VCC 2x VCC
1.5 V 1.5 V 6V 6V
2.7 V 2.5 ns 2.7 V 2.5 ns VCC
2.5 ns 1/2 VCC 2x VCC
Notes:
1. Input waveform: PRR = 10 MHz, Zo = 50 , duty cycle 50% 2. Waveform - A shows input conditions such that the output is "L" level when enable by the output control. 3. Waveform - B shows input conditions such that the output is "H" level when enable by the output control.
Rev.1.00 Apr. 18, 2005 page 6 of 7
RD74LVC16245B
Package Dimensions
JEITA Package Code P-TSSOP48-6.1x12.5-0.50 RENESAS Code PTSP0048KA-A Previous Code TTP-48DBV MASS[Typ.] 0.2g
*1
D F 25
NOTE) 1. DIMENSIONS"*1 (Nom)"AND"*2" DO NOT INCLUDE MOLD FLASH 2. DIMENSION"*3"DOES NOT INCLUDE TRIM OFFSET.
48
bp
HE
E
c
Index mark
Reference Symbol
Dimension in Millimeters Min Nom 12.5 6.10 Max 12.7
*2
Terminal cross section ( Ni/Pd/Au plating )
1 Z e
*3
D E A2
24 bp L1 x M
A1 A bp b1 c c
1
0.08
0.13
0.18 1.20
0.14
0.19
0.24
0.10
0.15
0.20
HE
0 7.90 8.10 0.50
8 8.30
A
A1
y L
e x y
0.08 0.10 0.65 0.4
1
Detail F
Z L L 0.5 1.0
0.6
Rev.1.00 Apr. 18, 2005 page 7 of 7
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