Digchip : Database on electronics components
 
Member, Distributor  
Log In
Email:
Password:


Part: 74VCXH16244TTR

Category:
 Logic
             -> VCX->Low Voltage HCMOS

Description: Low Voltage CMOS 16-BIT Buffer (3-STATE) With 3.6V Tolerant Inputs And Outputs

Company: ST Microelectronics, Inc.

Datasheet: Download 74VCXH16244TTR datasheet     File size : 110 kB

Request For quote: Find where to buy 74VCXH16244TTR



Datasheet text preview:
74VCXH16244
LOW VOLTAGE CMOS 16-BIT BUS BUFFER (3-STATE INV.) WITH 3.6V TOLERANT INPUTS AND OUTPUTS
s s

s

s

s

s

s s

s

3.6V TOLERANT INPUTS AND OUTPUTS H IGH SPEED : tPD = 2.5 ns (MAX.) at VCC = 3.0 to 3.6V tPD = 3.0 ns (MAX.) at VCC = 2.3 to 2.7V POWER DOWN PROTECTION ON INPUTS AND OUTPUTS SYMMETRICAL OUTPUT IMPED ANCE: |IOH| = IOL = 24mA (MIN) at VCC = 3.0V |IOH| = IOL = 18mA (MIN) at VCC = 2.3V OPERATING VOLTAGE RANGE: VCC(OPR) = 2.3V to 3.6V PIN AND FUN CTION COMPATIBLE WITH 74 SERIES H16244 BUS HOLD PROVIDED ON DATA INPUTS LATCH-UP PERFORMANCE EXCEEDS 300mA (JESD 17) ESD PERFORMANCE: H BM > 2000V (MIL STD 883 method 3015); M M > 20 0V

TSSOP

O RDE R CO DE S
PACKAGE TSSOP TUBE T&R 74VCXH16244TTR

PIN CONNECTION

DESCRIPTION The 74VCXH16244 is a low voltage CMOS 16 BIT BUS BUFFER (NON INVER TED) fabricated with sub-micron silicon gate and five-layer metal wiring C2MOS technology. It is ideal for low power and very high speed 2.3 to 3.6V applications; it can be interfaced to 3.6V signal environment for both i nput s and out put s . Any nG output control governs four BUS BUFFERS. Output Enable input (nG) tied together gives full 16-bit operation. W hen nG is LOW, the outputs are on. When nG is HIGH , the output are in high impedance state. This device is designed to be used with 3 state memory address drivers, etc. Bus hold on data inputs is provided in order to eliminate the need for external pull-up or pull-down resistor. All inputs and outputs are equipped with protection circuits against static discharge, giving them 2KV ESD immunity and transient excess voltage.

February 2003

1/11

74VCXH16244
INPUT AND OUTPUT EQUIVALENT CIRCUIT

PIN DESCRIPTION
PIN No 1 2, 3, 5, 6 8, 9, 11, 12 13, 14, 16, 17 19, 20, 22, 23 24 25 30, 29, 27, 26 36, 35, 33, 32 41, 40, 38, 37 47, 46, 44, 43 48 4, 10, 15, 21, 28, 34, 39, 45 7, 18, 31, 42 SYMBOL 1G 1Y1 to 1Y4 2Y1 to 2Y4 3Y1 to 3Y4 4Y1 to 4Y4 4G 3G 4A1 to 4A4 3A1 to 3A4 2A1 to 2A4 1A1 to 1A4 2G GND VC C NAME AND FUNCTION Output Enable Input Data Outputs Data Outputs Data Outputs Data Outputs Output Enable Input Output Enable Input Data Outputs Data Outputs Data Outputs Data Outputs Output Enable Input Ground (0V) Positive Supply Voltage

IEC LOGIC SYMBOLS

TRUTH TABLE
INPUTS G L L H
X : Don`t Care Z : High Impedance

OUTPUT An L H X Yn L H Z

2/11

74VCXH16244
AB SOLUTE MAXIMUM RATINGS
Symbol VCC VI VO VO IIK IOK IO Supply Voltage DC Input Voltage DC Output Voltage (OFF State) DC Output Voltage (High or Low State) (note 1) DC Input Diode Current DC Output Diode Current (note 2) DC Output Current Parameter Value -0.5 to +4.6 -0.5 to +4.6 -0.5 to +4.6 -0.5 to VCC + 0.5 - 50 - 50 ± 50 ± 100 400 -65 to +150 300 Unit V V V V mA mA mA mA mW °C °C

ICC or IGND DC VCC or Ground Current per Supply Pin Power Dissipation PD Tstg TL Storage Temperature Lead Temperature (10 sec)

Absolute Maximum Ratings are those values beyond which damage to the device may occur. F unctional operation under these conditions is not implied 1) IO absolute maximum rating must be observed 2) VO VCC

RECOMMENDED OPERA TING CONDITIONS
Symbol VCC VI VO VO IOH, IOL IOH, IOL Top dt/dv Supply Voltage Input Voltage Output Voltage (OFF State) Output Voltage (High or Low State) High or Low Level Output Current (VCC = 3.0 to 3.6V) High or Low Level Output Current (VCC = 2.3 to 2.7V) Operating Temperature Input Rise and Fall Time (note 1) Parameter Value 2.3 to 3.6 -0.3 to 3.6 0 to 3.6 0 to VCC ± 24 ± 18 -55 to 125 0 to 10 Unit V V V V mA mA °C ns/V

1) VIN from 0.8V to 2V at VCC = 3.0V

3/11

74VCXH16244
DC SPEC IFICATIONS (2.7V < VCC < 3.6V unless otherwise specified)
Test Condition Symbol Parameter VCC (V) -40 to 85 °C Min. 2.0 2.7 to 3.6 0.8 2.7 to 3.6 2.7 3.0 VOL Low Level Output Voltage 2.7 to 3.6 2.7 3.0 II II(HOLD) Input Leakage Current Input Hold Current 2.7 to 3.6 3.0 3.6 Ioff IO Z Power Off Leakage Current High Impedance Output Leakage Current Quiescent Supply Current ICC incr. per Input 0 2.7 to 3.6 IO=-100 µA IO=-12 mA IO=-18 mA IO=-24 mA IO=100 µA IO=12 mA IO=18 mA IO=24 mA VI = VCC or GND VI = 0.8V VI = 2V VI = 0 to 3.6V VI or VO = 0 to 3.6V VI = VIH or VIL VO = 0 to 3.6V VI = VCC or GND 2.7 to 3.6 2.7 to 3.6 VI or VO = VCC to 3.6V VIH = VCC - 0.6V 75 -75 ± 500 10 ± 10 20 ± 20 750 VCC-0.2 2.2 2.4 2.2 0.2 0.4 0.4 0.55 ±5 75 -75 ± 500 10 ± 10 20 ± 20 750 µA µA µA µA µA VCC-0.2 2.2 2.4 2.2 0.2 0.4 0.4 0.55 ±5 µA V V 0.8 Max. Value -55 to 125 °C Min. 2.0 V Max. Unit

VIH VIL V OH

High Level Input Voltage Low Level Input Voltage High Level Output Voltage

IC C

ICC

4/11

74VCXH16244
DC SPEC IFICATIONS (2.3V < VCC < 2.7V unless otherwise specified)
Test Condition Symbol Parameter VCC (V) -40 to 85 °C Min. 1.6 2.3 to 2.7 0.7 2.3 to 2.7 2.3 VOL Low Level Output Voltage 2.3 to 2.7 2.3 II II(HOLD) Ioff IO Z Input Leakage Current Input Hold Current Power Off Leakage Current High Impedance Output Leakage Current Quiescent Supply Current 2.3 to 2.7 2.3 0 2.3 to 2.7 IO=-100 µA IO=-6 mA IO=-12 mA IO=-18 mA IO=100 µA IO=12 mA IO=18 mA VI = VCC or GND VI = 0.7V VI = 1.7V VI or VO = 0 to 3.6V VI = VIH or VIL VO = 0 to 3.6V VI = VCC or GND 2.3 to 2.7 VI or VO = VCC to 3.6V 45 -45 10 ± 10 20 ± 20 VCC-0.2 2.0 1.8 1.7 0.2 0.4 0.6 ±5 45 -45 10 ± 10 20 ± 20 µA VCC-0.2 2.0 1.8 1.7 0.2 0.4 0.6 ±5 µA µA µA µA V V 0.7 Max. Value -55 to 125 °C Min. 1.6 V Max. Unit

VIH VIL V OH

High Level Input Voltage Low Level Input Voltage High Level Output Voltage

IC C

DYNAMIC SWITCH ING CHARA CTERISTICS (Ta = 25°C, Input tr = tf = 2.0ns, CL = 30pF, RL = 500)
Test Condition Symbol Parameter V CC (V) 2.5 3.3 2.5 3.3 2.5 3.3 VIL = 0V VIH = VCC VIL = 0V VIH = VCC VIL = 0V VIH = VCC Value TA = 25 °C Min. Typ. 0.6 0.8 -0.6 -0.8 1.9 2.2 Max. V V V Unit

VOLP VOLV V O HV

Dynamic Low Voltage Quiet Output (note 1, 3) Dynamic Low Voltage Quiet Output (note 1, 3) Dynamic High Voltage Quiet Output (note 2, 3)

1) Number of outputs defined as "n". Measured with "n-1" outputs switching from HIGH to LOW or LOW to HIGH. The remaining output is measured in the LOW state. 2) Number of outputs defined as "n". Measured with "n-1" outputs switching from HIGH to LOW or LOW to HIGH. The remaining output is measured in the HIGH state. 3) Parameters guaranteed by design.

5/11




Others parts begin by 74
74-1   74-2   74-3   74-4   74-5   74-6   74-7   74-8   74-9   74-10   74-11   74-12   74-13   74-14   74-15   74-16   74-17   74-18   74-19   74-20   74-21   74-22   74-23   74-24   74-25   74-26   74-27   74-28   74-29   74-30   74-31   74-32   74-33   74-34   74-35   74-36   74-37   74-38   74-39   74-40   74-41   74-42   74-43   74-44   74-45   74-46   74-47   74-48   74-49   74-50   74-51   74-52   74-53   74-54   74-55   74-56   74-57   74-58   74-59   74-60   74-61   74-62