3.3V OCTAL BUFFERS/DRIVERS 54LVTH244ARP 54LVTH244ARP Me

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3.3V OCTAL BUFFERS/DRIVERS 54LVTH244ARP 54LVTH244ARP Me

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PACE PRODUCTS
3.3V OCTAL BUFFERS/DRIVERS
54LVTH244ARP
54LVTH244ARP
Memory
FEATURES
3.3V octal buffers/drivers with 3-state outputs RAD-PAK radiation-hardened against natural space radiation Total dose hardness >100 krad (Si); dependent upon orbit Package: RAD-PAK® flat package RAD-PAK® Operating temperature range: 125oC Supports mixed-mode signal operation Input Output Voltages with 3.3V Supports mixed-mode signal operation input output voltages with 3.3V Supports unregulated battery operation down 2.7V Typical VOLP (output ground bounce) 0.8V VCC=3.3V, TA=25oC Supports live insertion Bus-hold data inputs eliminate need external pullup resistors
DESCRIPTION:
Space Electronics' 54LVTH244ARP -PAK® octal buffers/drivers micro-circuit features minimum kilorad (Si) total dose tolerance; dependent upon orbit. 54LVTH244ARP designed specifically voltage (3.3V) operation, with capability provide interface system environment. 54LVTH244ARP organized 4-bit drivers with separate output enable (OE) inputs. When low, device passes data from inputs outputs. When high, outputs high impedance state. 54LVTH244ARP active hold circuitry provided prevent floating data inputs valid logic level eliminate need pullup resistors. 54LVTH244ARP total dose survivability krad (Si); dependent upon orbit. available with packaging screening Class
0607.00Rev0
data sheets subject change without notice
(858) 452-4167 Fax: (858) 452-5499 www.spaceelectronics.com
©1999 Space Electronics Inc. rights reserved.
54LVTH244ARP
3.3V OCTAL BUFFERS/DRIVERS
TABLE 54LVTH244ARP ABSOLUTE MAXIMUM RATINGS
PARAMETER Supply Voltage Range Input Voltage Range Voltage Range Applied Output High State Power-Off State Current into Output State Current Into Output High State Input Clamp Current Output Clamp Current Maximum Power Dissipation Storage Temperature Range SYMBOL TSTG -0.5 -0.5 -0.5
Memory
input output negative-voltage ratings exceeded input output clamp-current ratings observed. This current flows only when output high state VCC.
TABLE 54LVTH244ARP RECOMMENDED PERATING ONDITIONS
PARAMETER Supply Voltage High-level Input Voltage Low-level Input Voltage Input Voltage High-level Output Current Low-level Output Current
0607.00Rev0
SYMBOL
-0.8
UNIT
data sheets subject change without notice
©1999 Space Electronics Inc. rights reserved.
54LVTH244ARP
PARAMETER Input Transition Rise Fall Rate Operating Free-Air Temperature Unused control inputs must held high prevent them from floating.
3.3V OCTAL BUFFERS/DRIVERS
SYMBOL UNIT ns/V
TABLE 54LVTH244ARP RECOMMENDED PERATING ONDITIONS
TABLE 54LVTH244ARP ELECTRICAL HARACTERISTICS
PARAMETER TEST ONDITIONS 2.7, -18mA
-100µA
-VCC -0.2 100µA 24mA 16mA 32mA 48mA 0.8V Data pins Inputs -Outputs high Outputs Outputs disabled
-0.12 0.12 -4.0
-1.2 -0.2 0.55 0.39 0.39
2.7V, -8mA -24mA 2.7V
Memory
3.6V, 5.5V 3.6V
Control inputs
II(HOLD) IOZH IOZL
3.6V, 3.6V, 0.5V 3.6V,
CI/O
3.6V, input -0.6V, Other inputs
typical values 3.3V, conditions shown MAX, appropriate value specified under recommended operating conditions. This increase supply current each input that specified voltage level rather than GND.
0607.00Rev0
data sheets subject change without notice
©1999 Space Electronics Inc. rights reserved.
54LVTH244ARP
3.3V OCTAL BUFFERS/DRIVERS
TABLE 54LVTH244ARP SWITCHING HARACTERISTICS
50pF, UNLESS OTHERWISE NOTED) PARAMETER (INPUT (OUTPUT) 3.3V 0.3V tPLH tPHL tPZH tPZL tPHZ tPLZ -MAX -VCC 2.7V
FIGURE LOAD IRCUIT OUTPUTS
Memory
FIGURE VOLTAGE WAVEFORMS PULSE DURATION
FIGURE OLTAGE WAVEFORMS PROPAGATION DELAY TIMES INVERTING NONINVERTING OUTPUTS
0607.00Rev0
data sheets subject change without notice
©1999 Space Electronics Inc. rights reserved.
54LVTH244ARP
3.3V OCTAL BUFFERS/DRIVERS
FIGURE OLTAGE SETUP HOLD TIMES
FIGURE VOLTAGE
Memory
PARAMETER MEASUREMENT INFORMATION
TEST PLH/TPHL PLZ/TPZL PHZ/TPZH Figure Notes: includes probe capacitance. input pulses supplied generators having following characteristics: MHz, 2.5ns, 2.5ns. Waveform output with internal conditions such that output except when disabled output control. Waveform output with internal conditions such that output high except when disabled output control. outputs measured time with transition measurement. Open
0607.00Rev0
data sheets subject change without notice
©1999 Space Electronics Inc. rights reserved.
54LVTH244ARP
3.3V OCTAL BUFFERS/DRIVERS
Memory
PACKAGE
YMBOL 0.370 0.035 0.005 0.128 0.015 0.003 0.470 0.287 -0.155 0.030 DIMENSION 0.141 0.017 0.005 0.480 0.295 -0.160 0.068 0.050 0.380 0.039 0.007 0.390 0.042 -MAX 0.154 0.022 0.009 0.490 0.303 0.333
Note: dimensions inches
0607.00Rev0
data sheets subject change without notice
©1999 Space Electronics Inc. rights reserved.
54LVTH244ARP
Important Notice:
3.3V OCTAL BUFFERS/DRIVERS
These data sheets created using chip manufacturers published specifications. Space Electronics verifies functionality testing parameters either 100% testing, sample testing characterization. specifications presented within these data sheets represent latest most accurate information available date. Howe ver, these specifications subject change without notice Space Electronics assumes responsibility this information. Space Electronics' products authorized critical components life support devices systems without express written approval from Space Electronics. claim against Space Electronics Inc. must made within days from date shipment from Space Electronics. Space Electronics' liability shall limited replacement defective parts.
Memory
0607.00Rev0
data sheets subject change without notice
©1999 Space Electronics Inc. rights reserved.

3.3V OCTAL BUFFERS/DRIVERS 54LVTH244ARP 54LVTH244ARP Me

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