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Partno	Mfg	Dc	Qty	Available	Descript
ST2378E	ST	N/a	140	avai	8-BIT DUAL SUPPLY 1.71V TO 5.5V LEVEL TRANSLATOR WITH I/OVCC 菅15KV ESD PROTECTION
ST2378EBJR	ST	N/a	3612	avai	8-BIT DUAL SUPPLY 1.71V TO 5.5V LEVEL TRANSLATOR WITH I/OVCC 菅15KV ESD PROTECTION
ST2378EBJR	STM	N/a	30	avai	8-BIT DUAL SUPPLY 1.71V TO 5.5V LEVEL TRANSLATOR WITH I/OVCC 菅15KV ESD PROTECTION
ST2378ETTR	STMICRO	N/a	65820	avai	8-BIT DUAL SUPPLY 1.71V TO 5.5V LEVEL TRANSLATOR WITH I/OVCC 菅15KV ESD PROTECTION

ST2378ETTR ,8-BIT DUAL SUPPLY 1.71V TO 5.5V LEVEL TRANSLATOR WITH I/OVCC 菅15KV ESD PROTECTIONST2378E8-BIT DUAL SUPPLY 1.71V TO 5.5V LEVEL TRANSLATORWITH I/OV ±15KV ESD PROTECTIONCC

ST2378E-ST2378EBJR-ST2378ETTR
8-BIT DUAL SUPPLY 1.71V TO 5.5V LEVEL TRANSLATOR WITH I/OVCC 菅15KV ESD PROTECTION
1/14February 2004 HIGH SPEED:tPD= 15ns (MAX.)atTA= 85°C =1.8V; VCC =5.5V GUARANTEED DATA RATE:
13Mbps (1.8V ≤ VL ≤ VCC ≤ 5.5V) LOW POWER DISSIPATION: TS-VL=I TS-VCC =1μA(MAX.) atTA= 85°C
IQVL= 100μA(MAX.) atTA= 85°C
IQCC =10μA(MAX.)atTA =85°C OUTPUT IMPEDANCE: OHA|=20 μA(MIN.)atVL =1.8VVCC =5.5V OLA= 1.0 mA (MIN.)atVL =1.8VVCC =5.5V BIDIRECTIONAL LEVEL TRANSLATION TOTEM POLE AND OPEN DRAIN DRIVING
FORI2C COMMUNICATIONS 5V TOLERANT ON ENABLE PIN THERMAL SHORT-CIRCUIT PROTECTION WIDE OPERATING VOLTAGE RANGE:L (OPR)= 1.71VtoVCCVCC(OPR)= 1.71Vto 5.5V ESD PERFORMANCE:
HBM> 15KV ESD PROTECTION ONI/O VCC LINES LEADFREE FLIPCHIP AND TSSOP PACKAGES
DESCRIPTION
The ST2378Eisa ±15kV ESD-protected level
translator providing the level shifting necessaryto
allow data transferina multi-voltage system.
Externally applied voltages,VCC andVL ,set the
logic levelson either sideof the device.It utilizesa
transmission-gate-based design to allow data
translationin either direction (VL <-> VCC) on any
single data line. The ST2378E accepts VL from
+1.71VtoVCC andVCC from +1.71Vto +5.5V,
making them ideal for data transfer between
low-voltage ASICs/PLDs and higher voltage
systems. The ST2378E hasa three-state output
mode that reduces supply currentto less than
1µA, thermal short-circuit protection, and ±15kV
ESD protection on the VCC side for greater
protection in applications that route signals
externally.
The ST2378E operatesata guaranteed data rate 13Mbps over the entire specified operating
voltage range. Within specific voltage domains,
higher data rates are possible.
ST2378E
8-BIT DUAL SUPPLY 1.71V TO 5.5V LEVEL TRANSLATOR
WITH I/OV CC ±15KV ESD PROTECTION
BLOCK DIAGRAM
ST2378E
2/14
FUNCTIONAL DIAGRAM(1 I/O LINE)
ORDERING CODES
PIN DESCRIPTION
PIN CONFIGURATION
ST2378E
3/14
TRUTH TABLE
X=Don’t care; Z=High Impedance; High LevelVL Power Supply referred High Level VCC Power Supply referred Thermal Protection disabled reducesthe quiescent current consumption ITS-VCC=ITS-VL=1μA Maxat 85°C
ABSOLUTE MAXIMUM RATINGS
AbsoluteMaximum Ratingsare those values beyond which damagetothe device may occur. Functional operation under these conditionsis
not implied
(*) 500mW: ≅ 65°C deratedto 300mWby 10mW/°C: 65°Cto 85°C
RECOMMENDED OPERATING CONDITIONS VOE from 10%VLto 90%VL VIOVL from 10%VLto 90%VL;VIOVCC from 10%VCCto 90%VCC
ST2378E
4/14 SPECIFICATION
ST2378E
5/14 Typical valuesare referredto TA=25°C Power Supply Range: VL,VCC1.8V±5%, 2.5±0.2V, 3.3±0.3V, 5.0±0.5VFor normal operation, ensure VL<(VCC+ 0.3V). During power-up,VL >(VCC+ 0.3V)willnot damagethe device ELECTRICAL CHARACTERISTICS Typical valuesare referredto TA=25°C Power Supply Range: VL,VCC1.8V±5%, 2.5±0.2V, 3.3±0.3V, 5.0±0.5V. Rise Time:10%to 90%,Fall Time 90%to 10% tpd: 50%to 50%For normal operation, ensure VL<(VCC+ 0.3V). During power-up,VL >(VCC+ 0.3V)willnot damagethe device Skewis definedasthe absolute valueofthe difference betweenthe actual propagation delayfor anytwo outputsofthe same device
switchinginthe same direction, either HIGHor LOW (tOSLH=| tPLHm -tPLHn|, tOSHL =|tPHLm -tPHLn| Each translator equally loaded; parameter guaranteedby designFor VCC =VL =1.8V,tr =tf≤4ns
ST2378E
6/14 ELECTRICAL CHARACTERISTICS Typical valuesare referredto TA=25°C Power Supply Range: VL,VCC1.8V±5%, 2.5±0.2V, 3.3±0.3V, 5.0±0.5V. Rise Time:10%to 90%,Fall Time 90%to 10% tpd: 50%to 50%For normal operation, ensure VL<(VCC+ 0.3V). During power-up,VL >(VCC+ 0.3V)willnot damagethe device Skewis definedasthe absolute valueofthe difference betweenthe actual propagation delayfor anytwo outputsofthe same device
switchinginthe same direction, either HIGHor LOW (tOSLH=| tPLHm -tPLHn|, tOSHL =|tPHLm -tPHLn| Each translator equally loaded; parameter guaranteedby design
ST2378E
7/14 ELECTRICAL CHARACTERISTICS- OPEN-DRAIN DRIVING Typical valuesare referredto TA=25°C Power Supply Range: VL,VCC1.8V±5%, 2.5±0.2V, 3.3±0.3V, 5.0±0.5V. Rise Time:10%to 90%,Fall Time 90%to 10% tpd: 50%to 50%For normal operation, ensure VL<(VCC+ 0.3V). During power-up,VL >(VCC+ 0.3V)willnot damagethe device Skewis definedasthe absolute valueofthe difference betweenthe actual propagation delayfor anytwo outputsofthe same device
switchinginthe same direction, either HIGHor LOW (tOSLH=| tPLHm -tPLHn|, tOSHL =|tPHLm -tPHLn| Each translator equally loaded; parameter guaranteedby design