74LVT240, 74LVTH240 — Low Voltage Octal Buffer/Line Driver with 3-STATE Outputs
January 2008
74LVT240, 74LVTH240 Low Voltage Octal Buffer/Line Driver with 3-STATE Outputs
Features
■ Input and output interface capability to systems at ■
General Description
The LVT240 and LVTH240 are inverting octal buffers and line drivers designed to be employed as memory address drivers, clock drivers and bus oriented transmitters or receivers which provides improved PC board density. The LVTH240 data inputs include bushold, eliminating the need for external pull-up resistors to hold unused inputs. These octal buffers and line drivers are designed for lowvoltage (3.3V) VCC applications, but with the capability to provide a TTL interface to a 5V environment. The LVT240 and LVTH240 are fabricated with an advanced BiCMOS technology to achieve high speed operation similar to 5V ABT while maintaining low power dissipation.
■ ■ ■ ■ ■ ■
5V VCC Bushold data inputs eliminate the need for external pull-up resistors to hold unused inputs (74LVTH240), also available without bushold feature (74LVT240) Live insertion/extraction permitted Power Up/Down high impedance provides glitch-free bus loading Outputs source/sink –32mA/+64mA Functionally compatible with the 74 series 240 Latch-up performance exceeds 500mA ESD performance: – Human-body model > 2000V – Machine model > 200V – Charged-device model > 1000V
Ordering Information
Order Number
74LVT240WM 74LVT240SJ 74LVT240MSA 74LVT240MTC 74LVTH240WM 74LVTH240SJ 74LVTH240MSA 74LVTH240MTC
Package Number
M20B M20D MSA20 MTC20 M20B M20D MSA20 MTC20
Package Description
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 20-Lead Shrink Small Outline Package (SSOP), JEDEC MO-150, 5.3mm Wide 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 20-Lead Shrink Small Outline Package (SSOP), JEDEC MO-150, 5.3mm Wide 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering number. All packages are lead free per JEDEC: J-STD-020B standard.
©1999 Fairchild Semiconductor Corporation 74LVT240, 74LVTH240 Rev. 1.5.0
www.fairchildsemi.com
74LVT240, 74LVTH240 — Low Voltage Octal Buffer/Line Driver with 3-STATE Outputs
Connection Diagrams
Logic Symbols
IEEE/IEC
Pin Descriptions
Pin Names
OE1, OE2 I0–I7 O0–O7 Inputs 3-STATE Outputs
Description
3-STATE Output Enable Inputs
Truth Tables
Inputs OE1
L L H
In
L H X
Outputs (Pins 12, 14, 16, 18)
H L Z
Inputs OE2
L L H
In
L H X
Outputs (Pins 3, 5, 7, 9)
H L Z
H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial Z = High Impedance
©1999 Fairchild Semiconductor Corporation 74LVT240, 74LVTH240 Rev. 1.5.0
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74LVT240, 74LVTH240 — Low Voltage Octal Buffer/Line Driver with 3-STATE Outputs
Absolute Maximum Ratings
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute maximum ratings are stress ratings only.
Symbol
VCC VI VO Supply Voltage DC Input Voltage DC Output Voltage Output in 3-STATE Output in HIGH or LOW IIK IOK IO
Parameter
Rating
–0.5V to +4.6V –0.5V to +7.0V –0.5V to +7.0V
State(1)
–0.5V to +7.0V –50mA –50mA 64mA 128mA ±64mA ±128mA –65°C to +150°C
DC Input Diode Current, VI < GND DC Output Diode Current, VO < GND DC Output Current, VO > VCC Output at HIGH State Output at LOW State
ICC IGND TSTG
DC Supply Current per Supply Pin DC Ground Current per Ground Pin Storage Temperature
Note: 1. IO Absolute Maximum Rating must be observed.
Recommended Operating Conditions
The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not recommend exceeding them or designing to absolute maximum ratings.
Symbol
VCC VI IOH IOL TA ∆t / ∆V Supply Voltage Input Voltage
Parameter
Min
2.7 0
Max
3.6 5.5 –32 64
Units
V V mA mA °C ns/V
HIGH-Level Output Current LOW-Level Output Current Free-Air Operating Temperature Input Edge Rate, VIN = 0.8V–2.0V, VCC = 3.0V –40 0
85 10
©1999 Fairchild Semiconductor Corporation 74LVT240, 74LVTH240 Rev. 1.5.0
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74LVT240, 74LVTH240 — Low Voltage Octal Buffer/Line Driver with 3-STATE Outputs
DC Electrical Characteristics
Symbol
VIK VIH VIL VOH
Parameter
Input Clamp Diode Voltage Input HIGH Voltage Input LOW Voltage Output HIGH Voltage
VCC (V)
2.7 2.7–3.6 2.7–3.6 2.7–3.6 2.7 3.0
T A =–40°C to +85°C Conditions
II = –18mA VO ≤ 0.1V or VO ≥ VCC – 0.1V IOH = –100µA IOH = –8mA IOH = –32mA IOL = 100µA IOL = 24mA IOL = 16mA IOL = 32mA IOL = 64mA 2.0 0.8 VCC–0.2 2.4 2.0 0.2 0.5 0.4 0.5 0.55 75 –75 500 –500 10 ±1 –5 1 ±100 ±100 –5 5 10 0.19 5 0.19 0.19 0.2 µA µA µA µA µA mA mA mA mA mA µA µA µA V
Min.
Typ.(2)
Max. Units
–1.2 V V V V
VOL
Output LOW Voltage
2.7 3.0
II(HOLD)
(3)
Bushold Input Minimum Drive Bushold Input Over-Drive Current to Change State Input Current Control Pins Data Pins
3.0 3.0 3.6 3.6 3.6 0 0–1.5V 3.6 3.6 3.6 3.6 3.6 3.6 3.6 3.6
VI = 0.8V VI = 2.0V
(4) (5)
II(OD)(3) II
VI = 5.5V VI = 0V or VCC V I = 0V VI = VCC 0V ≤ VI or VO ≤ 5.5V VO = 0.5V to 3.0V, VI = GND or VCC VO = 0.5V VO = 3.0V VCC < VO ≤ 5.5V Outputs HIGH Outputs LOW Outputs Disabled VCC ≤ VO ≤ 5.5V, Outputs Disabled One Input at VCC – 0.6V, Other Inputs at VCC or GND
IOFF IPU/PD IOZL IOZH IOZH+ ICCH ICCL ICCZ ICCZ+ ∆ICC
Power Off Leakage Current Power up/down 3-STATE Output Current 3-STATE Output Leakage Current 3-STATE Output Leakage Current 3-STATE Output Leakage Current Power Supply Current Power Supply Current Power Supply Current Power Supply Current Increase in Power Supply Current(6)
Notes: 2. All typical values are at VCC = 3.3V, TA = 25°C. 3. Applies to bushold versions only (74LVTH240). 4. An external driver must source at least the specified current to switch from LOW-to-HIGH. 5. An external driver must sink at least the specified current to switch from HIGH-to-LOW. 6. This is the increase in supply current for each input that is at the specified voltage level rather than VCC or GND.
©1999 Fairchild Semiconductor Corporation 74LVT240, 74LVTH240 Rev. 1.5.0
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74LVT240, 74LVTH240 — Low Voltage Octal Buffer/Line Driver with 3-STATE Outputs
Dynamic Switching Characteristics(7)
Conditions Symbol
VOLP VOLV
TA = 25°C Min. Typ.
0.8 –0.8
Parameter
Quiet Output Maximum Dynamic VOL Quiet Output Minimum Dynamic VOL
VCC (V)
3.3 3.3
CL = 50pF, RL = 500Ω
(8)
Max.
Units
V V
(8)
Notes: 7. Characterized in SOIC package. Guaranteed parameter, but not tested. 8. Max number of outputs defined as (n). n–1 data inputs are driven 0V to 3V. Output under test held LOW.
AC Electrical Characteristics
TA = –40°C to +85°C CL = 50pF, RL = 500Ω VCC = 3.3V ±0.3V Symbol
tPLH tPHL tPZH tPZL tPHZ tPLZ tOSHL, tOSLH Output to Output Skew(10) Notes: 9. All typical values are at VCC = 3.3V, TA = 25°C. 10. Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The specification applies to any outputs switching in the same direction, either HIGH-to-LOW (tOSHL) or LOW-to-HIGH (tOSLH). Output Disable Time Output Enable Time
VCC = 2.7V Min.
1.1 1.3 1.1 1.4 2.0 1.8
Parameter
Propagation Delay, Data to Output
Min.
1.1 1.3 1.1 1.4 2.0 1.8
Typ.(9)
Max.
3.8 4.0 4.6 4.4 4.5 4.3 1.0
Max.
4.6 4.2 5.6 5.1 4.7 4.3 1.0
Units
ns ns ns ns
Capacitance(11)
Symbol
CIN COUT
Parameter
Input Capacitance Output Capacitance
Conditions
VCC = 0V, VI = 0V or VCC VCC = 3.0V, VO = 0V or VCC
Typical
3 6
Units
pF pF
Note: 11. Capacitance is measured at frequency f = 1MHz, per MIL-STD-883, Method 3012.
©1999 Fairchild Semiconductor Corporation 74LVT240, 74LVTH240 Rev. 1.5.0
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74LVT240, 74LVTH240 — Low Voltage Octal Buffer/Line Driver with 3-STATE Outputs
Physical Dimensions
13.00 12.60 11.43
20 B 11 A
9.50 10.65 7.60 10.00 7.40 2.25
1 PIN ONE INDICATOR
0.51 0.35
0.25
M
10
1.27
CBA
1.27
0.65
LAND PATTERN RECOMMENDATION
2.65 MAX
SEE DETAIL A
C
0.33 0.20
0.10 C SEATING PLANE
0.75 0.25 (R0.10) (R0.10)
8° 0°
X 45°
0.30 0.10
NOTES: UNLESS OTHERWISE SPECIFIED
GAGE PLANE
0.25 1.27 0.40 (1.40)
A) THIS PACKAGE CONFORMS TO JEDEC MS-013, VARIATION AC, ISSUE E B) ALL DIMENSIONS ARE IN MILLIMETERS. C) DIMENSIONS DO NOT INCLUDE MOLD FLASH OR BURRS. D) CONFORMS TO ASME Y14.5M-1994 E) LANDPATTERN STANDARD: SOIC127P1030X265-20L F) DRAWING FILENAME: MKT-M20BREV3
SEATING PLANE
DETAIL A
SCALE: 2:1
Figure 1. 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide
Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the warranty therein, which covers Fairchild products. Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/
©1999 Fairchild Semiconductor Corporation 74LVT240, 74LVTH240 Rev. 1.5.0
www.fairchildsemi.com 6
74LVT240, 74LVTH240 — Low Voltage Octal Buffer/Line Driver with 3-STATE Outputs
Physical Dimensions (Continued)
Figure 2. 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the warranty therein, which covers Fairchild products. Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/
©1999 Fairchild Semiconductor Corporation 74LVT240, 74LVTH240 Rev. 1.5.0
www.fairchildsemi.com 7
74LVT240, 74LVTH240 — Low Voltage Octal Buffer/Line Driver with 3-STATE Outputs
Physical Dimensions (Continued)
Figure 3. 20-Lead Shrink Small Outline Package (SSOP), JEDEC MO-150, 5.3mm Wide
Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the warranty therein, which covers Fairchild products. Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/
©1999 Fairchild Semiconductor Corporation 74LVT240, 74LVTH240 Rev. 1.5.0
www.fairchildsemi.com 8
74LVT240, 74LVTH240 — Low Voltage Octal Buffer/Line Driver with 3-STATE Outputs
Physical Dimensions (Continued)
Figure 4. 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the warranty therein, which covers Fairchild products. Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/
©1999 Fairchild Semiconductor Corporation 74LVT240, 74LVTH240 Rev. 1.5.0
www.fairchildsemi.com 9
74LVT240, 74LVTH240 — Low Voltage Octal Buffer/Line Driver with 3-STATE Outputs
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Rev. I33
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Preliminary
First Production
No Identification Needed
Full Production
Obsolete
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©1999 Fairchild Semiconductor Corporation 74LVT240, 74LVTH240 Rev. 1.5.0
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