74LVT2244 鈥?74LVTH2244 Low Voltage Octal Buffer/Line Driver with 3-STATE Outputs
July 1999
Revised August 1999
74LVT2244 鈥?74LVTH2244
Low Voltage Octal Buffer/Line Driver
with 3-STATE Outputs
General Description
The LVT2244 and LVTH2244 are octal buffers and line
drivers designed to be employed as memory address driv-
ers, clock drivers and bus oriented transmitters or receivers
which provides improved PC board density. The equivalent
25鈩?Series resistors helps reduce output overshoot and
undershoot.
The LVTH2244 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 low-
voltage (3.3V) V
CC
applications, but with the capability to
provide a TTL interface to a 5V environment. The LVT2244
and LVTH2244 are fabricated with an advanced BiCMOS
technology to achieve high speed operation similar to 5V
ABT while maintaining low power dissipation.
Features
s
Input and output interface capability to systems at
5V V
CC
s
Equivalent 25鈩?Series resistors on outputs
s
Bushold data inputs eliminate the need for external pull-
up resistors to hold unused inputs (74LVTH2244), also
available without bushold feature (74LVT2244).
s
Live insertion/extraction permitted
s
Power Up/Down high impedance provides glitch-free
bus loading
s
Outputs source/sink
鈭?2
mA/+12 mA
s
Latch-up performance exceeds 500 mA
Ordering Code:
Order Number
74LVT2244WM
74LVT2244SJ
74LVT2244MTC
74LVTH2244WM
74LVTH2244SJ
74LVTH2244MTC
Package Number
M20B
M20D
MTC20
M20B
M20D
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 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 Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter 鈥淴鈥?to the ordering code.
Logic Symbol
IEEE/IEC
Connection Diagram
漏 1999 Fairchild Semiconductor Corporation
DS012170
www.fairchildsemi.com