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HD74LV244A
Octal Buffers / Drivers with 3-state Outputs
REJ03D0328-0300Z (Previous ADE-205-246A (Z)) Rev.3.00 Jun. 24, 2004
Description
The HD74LV244A has eight line drivers with three-state outputs in a 20-pin package. Four non-inverters are included in one circuit. Each circuit can be independently controlled by the enable signal 1OE or 2OE, which enables outputs when receiving a low-level signal. Low-voltage operation is suitable for battery-powered products (e.g., notebook computers), and the low-power consumption extends the battery life.
Features
* * * * * * * VCC = 2.0 V to 5.5 V operation All inputs VIH (Max.) = 5.5 V (@VCC = 0 V to 5.5 V) All outputs VO (Max.) = 5.5 V (@VCC = 0 V) Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25C) Typical VOH undershoot > 2.3 V (@VCC = 3.3 V, Ta = 25C) Output current 8 mA (@VCC = 3.0 V to 3.6 V), 16 mA (@VCC = 4.5 V to 5.5 V) Ordering Information
Package Type SOP-20 pin (JEITA) SOP-20 pin (JEDEC) TSSOP-20 pin Package Code FP-20DAV FP-20DBV TTP-20DAV Package Abbreviation FP RP T Taping Abbreviation (Quantity) EL (2,000 pcs/reel) EL (1,000 pcs/reel) ELL (2,000 pcs/reel)
Part Name HD74LV244AFPEL HD74LV244ARPEL HD74LV244ATELL
Note: Please consult the sales office for the above package availability.
Function Table
Inputs OE L L H Note: H: L: X: Z: High level Low level Immaterial High impedance A H L X Output Y H L Z
Rev.3.00 Jun. 24, 2004 page 1 of 9
HD74LV244A
Pin Arrangement
1OE 1 1A1 2Y4 1A2 2Y3 1A3 2Y2 1A4 2Y1 2 3 4 5 6 7 8 9
20 VCC 19 2OE 18 1Y1 17 2A4 16 1Y2 15 2A3 14 1Y3 13 2A2 12 1Y4 11 2A1
GND 10
(Top view)
Absolute Maximum Ratings
Item Supply voltage range Input voltage range*1 Output voltage range*1, *2 Input clamp current Output clamp current Continuous output current Continuous current through VCC or GND Maximum power dissipation at Ta = 25C (in still air)*3 Storage temperature Symbol VCC VI VO IIK IOK IO ICC or IGND PT Tstg Ratings -0.5 to 7.0 -0.5 to 7.0 -0.5 to VCC + 0.5 -0.5 to 7.0 -20 50 35 70 835 757 -65 to 150 Unit V V V mA mA mA mA mW C Conditions
Output: H or L VCC: OFF or Output: Z VI < 0 VO < 0 or VO > VCC VO = 0 to VCC
SOP TSSOP
Notes: The absolute maximum ratings are values, which must not be individually be exceeded, and furthermore, no two of which may be realized at the same time. 1. The input and output voltage ratings may be exceeded even if the input and output clamp-current ratings are observed. 2. This value is limited to 5.5 V maximum. 3. The data above are measured by VBE method mounting on glass epoxy board (40 x 40 x 1.6 mm) with 10% of wiring density.
Rev.3.00 Jun. 24, 2004 page 2 of 9
HD74LV244A
Recommended Operating Conditions
Item Supply voltage range Input voltage range Output voltage range Output current Symbol VCC VI VO IOH Min 2.0 0 0 0 -- -- -- -- -- -- -- -- 0 0 0 -40 Max 5.5 5.5 VCC 5.5 -50 -2 -8 -16 50 2 8 16 200 100 20 85 Unit V V V A mA Conditions
IOL
A mA
Input transition rise or fall rate
t /v
ns/V
H or L High impedance state VCC = 2.0 V VCC = 2.3 to 2.7 V VCC = 3.0 to 3.6 V VCC = 4.5 to 5.5 V VCC = 2.0 V VCC = 2.3 to 2.7 V VCC = 3.0 to 3.6 V VCC = 4.5 to 5.5 V VCC = 2.3 to 2.7 V VCC = 3.0 to 3.6 V VCC = 4.5 to 5.5 V
Operating free-air temperature
Ta
C
Note: Unused or floating inputs must be held high or low.
Logic Diagram
1OE 1A1
1
2OE
18
19
2
1Y1
2A1
11
9
2Y1
1A2
4
16
1Y2
2A2
13
7
2Y2
1A3
6
14
1Y3
2A3
15
5
2Y3
1A4
8
12
1Y4
2A4
17
3
2Y4
Rev.3.00 Jun. 24, 2004 page 3 of 9
HD74LV244A
DC Electrical Characteristics
Ta = -40 to 85C Item Input voltage Symbol VIH VCC (V) 2.0 2.3 to 2.7 3.0 to 3.6 4.5 to 5.5 2.0 2.3 to 2.7 3.0 to 3.6 4.5 to 5.5 Min to Max 2.3 3.0 4.5 Min to Max 2.3 3.0 4.5 0 to 5.5 5.5 5.5 0 3.3 Min 1.5 VCC x 0.7 VCC x 0.7 VCC x 0.7 -- -- -- -- VCC - 0.1 2.0 2.48 3.8 -- -- -- -- -- -- -- -- -- Typ -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 2.3 Max -- -- -- -- 0.5 VCC x 0.3 VCC x 0.3 VCC x 0.3 -- -- -- -- 0.1 0.4 0.44 0.55 1 5 20 5 -- Unit V Test Conditions
VIL
Output voltage
VOH
V
VOL
Input current Off-state output current Quiescent supply current Output leakage current Input capacitance
IIN IOZ ICC IOFF CIN
A A A A pF
IOH = -50 A IOH = -2 mA IOH = -8 mA IOH = -16 mA IOL = 50 A IOL = 2 mA IOL = 8 mA IOL = 16 mA VIN = 5.5 V or GND VO = VCC or GND VIN = VCC or GND, IO = 0 VI or VO = 0 V to 5.5 V VI = VCC or GND
Note: For conditions shown as Min or Max, use the appropriate values under recommended operating conditions.
Rev.3.00 Jun. 24, 2004 page 4 of 9
HD74LV244A
Switching Characteristics
VCC = 2.5 0.2 V Ta = 25C Item Propagation delay time Enable time Disable time Symbol tPLH tPHL tZH tZL tHZ tLZ Min -- -- -- -- -- -- Typ 7.5 9.5 8.9 10.8 9.1 13.4 Max 12.5 15.3 14.6 17.8 14.1 19.2 Ta = -40 to 85C Min 1.0 1.0 1.0 1.0 1.0 1.0 Max 15.0 18.0 17.0 21.0 16.0 21.0 Unit ns ns ns Test Conditions CL = 15 pF CL = 50 pF CL = 15 pF CL = 50 pF CL = 15 pF CL = 50 pF FROM (Input) A OE OE TO (Output) Y Y Y
VCC = 3.3 0.3 V Ta = 25C Item Propagation delay time Enable time Disable time Symbol tPLH tPHL tZH tZL tHZ tLZ Min -- -- -- -- -- -- Typ 5.4 6.8 6.3 7.8 7.6 11.0 Max 8.4 11.9 10.6 14.1 11.7 16.0 Ta = -40 to 85C Min 1.0 1.0 1.0 1.0 1.0 1.0 Max 10.0 13.5 12.5 16.0 13.0 18.0 Unit ns ns ns Test Conditions CL = 15 pF CL = 50 pF CL = 15 pF CL = 50 pF CL = 15 pF CL = 50 pF FROM (Input) A OE OE TO (Output) Y Y Y
VCC = 5.0 0.5 V Ta = 25C Item Propagation delay time Enable time Disable time Symbol tPLH tPHL tZH tZL tHZ tLZ Min -- -- -- -- -- -- Typ 3.9 4.9 4.5 5.6 6.5 8.8 Max 5.5 7.5 7.3 9.3 12.2 14.2 Ta = -40 to 85C Min 1.0 1.0 1.0 1.0 1.0 1.0 Max 6.5 8.5 8.5 10.5 13.5 15.5 Unit ns ns ns Test Conditions CL = 15 pF CL = 50 pF CL = 15 pF CL = 50 pF CL = 15 pF CL = 50 pF FROM (Input) A OE OE TO (Output) Y Y Y
Output-skew characteristics
CL = 50 pF Ta = 25C Item Output skew Symbol tsk (O) VCC (V) 2.3 to 2.7 3.0 to 3.6 4.5 to 5.5 Min -- -- -- Max 2.0 1.5 1.0 Ta = -40 to 85C Min -- -- -- Max 2.0 1.5 1.0 Unit ns
Note: Skew between any outputs of the same package switching in the same direction. This parameter is warranted but not production tested.
Rev.3.00 Jun. 24, 2004 page 5 of 9
HD74LV244A
Operating Characteristics
CL = 50 pF Ta = 25C Item Power dissipation capacitance Symbol CPD VCC (V) 3.3 5.0 Min -- -- Typ 14.0 16.0 Max -- -- Unit pF Test Conditions f = 10 MHz
Noise Characteristics
CL = 50 pF Ta = 25C Item Quiet output, maximum dynamic VOL Quiet output, minimum dynamic VOL Quiet output, minimum dynamic VOH High-level dynamic input voltage Low-level dynamic input voltage Symbol VOL (P) VOL (V) VOH (V) VIH (D) VIL (D) VCC (V) 3.3 3.3 3.3 3.3 3.3 Min -- -- -- 2.31 -- Typ 0.6 -0.5 2.9 -- -- Max 0.8 -0.8 -- -- 0.99 Unit V V V V V Test Conditions
Test Circuit
VCC VCC
1OE, 2OE
Output 1 k S1 OPEN GND
See Function Table
Input Pulse generator Zout = 50
1Y1 to 2Y4 1A1 to 2A4
CL = 15 or 50 pF
VCC
TEST t PLH /tPHL t ZH/tHZ t ZL /tLZ
S1 OPEN GND VCC
Note: CL includes the probe and jig capacitance.
Rev.3.00 Jun. 24, 2004 page 6 of 9
HD74LV244A
* Waveform - 1
tr 90% 50% VCC t PLH 90% 50% VCC
tf VCC 10 % t PHL 0V
Input A 10%
VOH Output Y 50% VCC 50% VCC VOL
* Waveform - 2
90%
tf
tr 90% 50% VCC 10 % t LZ VCC 0V VCC 50% VCC t ZH t HZ VOH - 0.3 V VOL + 0.3 V VOL VOH 0V
Input OE
50% VCC 10% t ZL
Waveform - A
Waveform - B
50% VCC
Notes: 1. Input waveform: PRR 1 MHz, Zo = 50 , tr 3 ns, tf 3 ns 2. Waveform-A is for an output with internal conditions such that the output is low except when disabled by the output control. 3. Waveform-B is for an output with internal conditions such that the output is high except when disabled by the output control. 4. The output are measured one at a time with one transition per measurement..
Rev.3.00 Jun. 24, 2004 page 7 of 9
HD74LV244A
Package Dimensions
As of January, 2002
12.6 13 Max
20
Unit: mm
11
1
10
5.5
0.80 Max
2.20 Max
*0.20 0.05
0.20 7.80 + 0.30 -
1.15
1.27
*0.40 0.06
0.10 0.10
0 - 8
0.70 0.20
0.15
0.12 M
*Pd plating
Package Code JEDEC JEITA Mass (reference value)
FP-20DAV -- Conforms 0.31 g
As of January, 2003
12.8 13.2 Max 20 11
Unit: mm
2.65 Max
1 0.935 Max
10
7.50
*0.25 0.05
0.25 10.40 + 0.40 -
1.45
0.20 0.10
0 - 8
0.57 0.70 + 0.30 -
1.27
*0.40 0.06
0.15 0.12 M
*Ni/Pd/Au plating Package Code JEDEC JEITA Mass (reference value) FP-20DBV Conforms -- 0.52 g
Rev.3.00 Jun. 24, 2004 page 8 of 9
HD74LV244A
As of January, 2002
Unit: mm
6.50 6.80 Max 20 11
1
10 0.65 1.0 6.40 0.20 0.65 Max
*0.20 0.05
0.13 M
4.40
*0.15 0.05
1.10 Max
0.10
0.07 +0.03 -0.04
0 - 8
0.50 0.10
*Pd plating
Package Code JEDEC JEITA Mass (reference value)
TTP-20DAV -- -- 0.07 g
Rev.3.00 Jun. 24, 2004 page 9 of 9
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