16-BIT TRANSCEIVERS WITH 3-STATE OUTPUTS 162245RP Memory
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SPACE PRODUCTS
16-BIT TRANSCEIVERS WITH 3-STATE OUTPUTS
162245RP
Memory
FEATURES:
A-Port outputs have equivalent series resistors, external resistors required Support mixed-mode signal operation input output voltages with 3.3V VCC) Support unregulated battery operation down 2.7V Typical VOLP (output ground bounce) 0.8V 3.3V, 25oC IOFF power-up 3-state support insertion hold data inputs eliminates need external pullup/ pulldown resistors Distributed configuration minimizes highspeed switching noise Flow-through architecture optimizes layout protection exceeds 2000V MIL-STD-883, method 3015; exceeds 200V using machine model MeV/mg/cm2
DESCRIPTION:
Space Electronics' 162245RP devices 16-bit (dual-octal) noninverting 3-state transceivers designed low-voltage (3.3V) operation, with capability provide interface system environment. These devices used 8-bit transceivers 16-bit transceiver. devices allow data transmission from form bus, depending logic level directioncontrol (DIR) input. output enable (OE) input used disable device that buses effectively isolated. A-port outputs, which designed source sink include equivalent series resistors reduce overshoot undershoot. Active bus-hold circuitry provided hold unused floating data inputs valid logic level. When between 1.5V, devices high-impedance state during power power down. However, ensure high-impedance state above 1.5V, should tied through pullup resistor; minimum value resistor determined current-sinking capability driver.
data sheets subject change without notice
0819.99Rev0
(858) 452-4167 Fax: (858) 452-5499 www.spaceelectronics.com
©1999 Space Electronics Inc. rights reserved.
162245RPRP
16-BIT TRANSCEIVERS WITH 3-STATE OUTPUTS
TABLE 162245RP ABSOLUTE MAXIMUM RATINGS
(OVER OPERATING FREE-AIR TEMPERATURE RANGE, UNLESS OTHERWISE SPECIFIED) PARAMETER Supply voltage range Input voltage range Voltage range applied output high-impedance power-off state Voltage range applied output high state Current into output state Port Port Current into output high state Port Port Input clamp current Output clamp current Thermal resistance Storage temperature range SYMBOL -IIK TSTG -0.5 -0.5 -0.5 -0.5 UNIT
Memory
Stresses beyond those listed under "absolute maximum ratings" cause permanent damage device. These stress ratings only, functional operation device these other conditions beyond those indicated under "recommended operating conditions" implied. Exposure absolute-maximumrated conditions extended periods affect device reliability. input output negative-voltage ratings exceeded input output clamp-current ratings observed. This current flows only when output high state VCC.
TABLE 162245RP RECOMMENDED OPERATING CONDITIONS
PARAMETER Supply voltage High-level input voltage Low-level input voltage Input voltage High-level output current Low-level output current Input transition rise fall rate Power-up ramp rate Operating free-air temperature port port port port Outputs enabled SYMBOL -200 -0.8 -125 ns/V µs/V
UNIT
t/VCC
unused control inputs device must held ensure proper device operation.
0819.99Rev0
data sheets subject change without notice
©1999 Space Electronics Inc. rights reserved.
162245RPRP
16-BIT TRANSCEIVERS WITH 3-STATE OUTPUTS
TABLE 162245RP ELECTRICAL CHARACTERISTICS (OVER RECOMMENDED OPERATING FREE-AIR TEMPERATURE RANGE, UNLESS OTHERWISE SPECIFIED)
PARAMETER port port TEST CONDITIONS 2.7, 2.7V 3.6V, 2.7V 3.6V, -100 2.7V, port port 2.7V 3.6V, 2.7V Control Inputs ports 3.6V, 3.6V, 5.5V 3.6V 5.5V IOFF II(HOLD) ports 4.5V 3.6V 3.6V IOZPU IOZPD 1.5V, 0.5V don't care 1.5V 0.5V don't care 3.6V, Outputs high Outputs Outputs disabled 3.6V, input 0.6V, other inputs 0.8V -VCC -TYP -1.2 -0.2 0.55 -±100 ±100 0.19 0.19 UNIT
Memory
typical values 3.3V, Unused pins GND.
0819.99Rev0
data sheets subject change without notice
©1999 Space Electronics Inc. rights reserved.
162245RPRP
16-BIT TRANSCEIVERS WITH 3-STATE OUTPUTS
This bus-hold maximum dynamic current. minimum overdrive current required switch input from state another. This increase supply current each input that specified voltage level rather than GND.
TABLE 162245RP SWITCHING CHARACTERISTICS
PARAMETER FROM (INPUT) (OUTPUT) 3.3V tPLH tPHL tPLH tPHL tPZH tPZL tPZH tPZL tPHZ tPLZ tPHZ tPLZ tsk(o) 2.7V -MAX UNIT
Memory
FIGURE LOGIC DIAGRAM (POSITIVE LOGIC)
0819.99Rev0
data sheets subject change without notice
©1999 Space Electronics Inc. rights reserved.
162245RPRP
16-BIT TRANSCEIVERS WITH 3-STATE OUTPUTS
FIGURE LOAD CIRCUIT
includes probe capacitance.
FIGURE PULSE DURATION
Memory
FIGURE SETUP HOLD TIMES
FIGURE PROPAGATION DELAY TIMES INVERTING NONINVERTING OUTPUTS
0819.99Rev0
data sheets subject change without notice
©1999 Space Electronics Inc. rights reserved.
162245RPRP
16-BIT TRANSCEIVERS WITH 3-STATE OUTPUTS
FIGURE ENABLE DISABLE TIMES LOW- HIGH-LEVEL ENABLING
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.
Memory
0819.99Rev0
data sheets subject change without notice
©1999 Space Electronics Inc. rights reserved.
162245RPRP
16-BIT TRANSCEIVERS WITH 3-STATE OUTPUTS
Memory
RAD-PAK® FLAT PACKAGE
SYMBOL 0.275 0.000 0.005 0.121 0.008 0.004 -0.370 -0.200 0.075 DIMENSION 0.130 0.010 0.006 0.620 0.380 -0.210 0.085 0.025 0.285 0.019 0.018 0.295 0.045 -MAX 0.139 0.014 0.006 0.640 0.390 0.410 0.220
F48-01 Note: dimensions inches
0819.99Rev0
data sheets subject change without notice
©1999 Space Electronics Inc. rights reserved.
162245RPRP
Important Notice:
16-BIT TRANSCEIVERS WITH 3-STATE OUTPUTS
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. However, 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
0819.99Rev0
data sheets subject change without notice
©1999 Space Electronics Inc. rights reserved.
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