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PDF MAX3370EXK-T Data sheet ( Hoja de datos )
| Número de pieza | MAX3370EXK-T | |
| Descripción | 1A / 2Mbps / Low-Voltage Level Translators in SC70 | |
| Fabricantes | Maxim Integrated | |
| Logotipo |  |
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19-1847; Rev 1; 2/01
1µA, 2Mbps, Low-Voltage Level
Translators in SC70
General Description
The MAX3370/MAX3371 logic level translators are ideal
for applications interfacing low-voltage devices to other
logic levels. Externally applied voltages set the logic
levels of the MAX3370/MAX3371. The devices accept
VCC from +2.5V to +5.5V and VL from +1.6V to +5.5V,
allowing data transfer between low-voltage ASICs and
higher voltage devices. The MAX3371 features a shut-
down mode that reduces supply current to <1µA and
puts the I/O pins in a high-impedance state.
The MAX3370/MAX3371 are bidirectional level shifters,
allowing data transfer from the VCC side to the VL side
and from the VL side to the VCC side. Both devices
operate at speeds up to 2Mbps with an active driver
and up to 500kbps with an open-drain driver.
The MAX3370/MAX3371 are available in space-saving
5-pin and 6-pin SC70 packages, respectively.
________________________Applications
Cell Phone Cradles
Cell Phone Hands-Free Kits
Portable POS Systems
Portable Communication Devices
Smart Card Readers
SPI™, MICROWIRE™, and I2C™ Level Translation
Low-Voltage ASIC Level Translation
RS-232-Compatible Translation
I2C is a trademark of Philips Corp.
SPI is a trademark of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
Typical Operating Circuit
Features
o Allow Bidirectional Level Translation
o Miniature SC70 Packages
o Operational Down to 1.6V
o Low Quiescent Current (<100µA)
o Ultra-Low (<1µA) Shutdown Supply Current
(MAX3371)
o Three-State Outputs in Shutdown (MAX3371)
o 2Mbps (10pF Load) Push-Pull Driving
o 1Mbps (50pF Load) Push-Pull Driving
o 500kbps (30pF Load) Open-Drain Driving
Ordering Information
PART
MAX3370EXK-T
MAX3371EXT-T
TEMP.
RANGE
PIN-
SHDN TOP
PACKAGE
MARK
-40°C to +85°C 5 SC70-5 NO ABV
-40°C to +85°C 6 SC70-6 YES AAO
TOP VIEW
Pin Configurations
VL 1
5 VCC
MAX3370
GND 2
+1.8V
1.8V
SYSTEM
CONTROLLER
DATA
GND
VL
SHDN*
VCC
MAX3370
MAX3371
I/O VL I/O VCC
GND
+3.3V
3.3V SYSTEM
DATA
GND
*MAX3371 ONLY
†MAX3370/MAX3371 covered by U.S. Patent number 5,894,240.
I/O VL 3
4 I/O VCC
SC70-5
VL 1
6 VCC
MAX3371
GND 2
5 SHDN
I/O VL 3
4 I/O VCC
SC70-6
________________________________________________________________ Maxim Integrated Products 1
For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
1 page  
1µA, 2Mbps, Low-Voltage Level
Translators in SC70
+1.6V
+2.5V
VL VCC
MAX3370
MAX3371
I/O VL I/O VCC
DATA
GND
RLOAD
CLOAD
I/O VL
tRISE, tFALL ≤10ns
tPD-VCC-LH
I/O VCC
tRVCC
tPD-VCC-HL
tFVCC
CLOAD
+1.6V
VL VCC
MAX3370
MAX3371
DATA I/O VL I/O VCC
GND
RLOAD
+2.5V
I/O VCC
tRISE, tFALL ≤10ns
tPD-VL-LH
tPD-VL-HL
I/O VL
tRVL
tFVL
Figure 1a. Rail-to-Rail Driving I/O VL
Figure 1b. Rail-to-Rail Driving I/O VCC
+1.6V +2.5V
VL VCC
MAX3370
MAX3371
I/O VL I/O VCC DATA
GND
RLOAD
CLOAD
I/O VL
tRISE, tFALL ≤10ns
tPD-VCC-LH
I/O VCC
tRVCC
tPD-VCC-HL
tFVCC
CLOAD
+1.6V
VL VCC
MAX3370
DATA
MAX3371
I/O VL I/O VCC
GND
RLOAD
+2.5V
I/O VCC
tRISE, tFALL ≤10ns
tPD-VL-LH
I/O VL
tRVL
tPD-VL-HL
tFVL
Figure 1c. Open-Drain Driving I/O VL
Figure 1d. Open-Drain Driving I/O VCC
_______________________________________________________________________________________ 5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet MAX3370EXK-T.PDF ] | |
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