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STPIC6A259
POWER LOGIC 8-BIT ADDRESSABLE LATCH
PRELIMINARY DATA
s s s s s s s
LOW RDS(on): 1 TYP OUTPUT SHORT-CIRCUIT PROTECTION 75mJ AVAILANCHE ENERGY EIGHT 350mA DMOS OUTPUTS 50V SWITCHING CAPABILITY FOUR DISTINCT FUNCTION MODES LOW POWER CONSUMPTION
SOP
DESCRIPTION This power logic 8-bit addressable latch controls open-drain DMOS transistor outputs and is designed for general-purpose storage applications in digital systems. Specific uses include working registers, serial-holding registers, and decoders or demultiplexers. This is a multifunctional device capable of operating as eight addressable latches or an 8-line demultiplexer with active-low DMOS outputs. Each open-drain DMOS transistor features an independent chopping current-limiting circuit to prevent damage in the case of a short circuit. Four distinct modes of operation are selectable by controlling the clear (CLR) and enable (G) inputs and enumerated in the function table. In the addressable-latch mode, data at the data-in (D) terminal is written into the addressed latch. The addressed DMOS-transistor output inverts the data input with all unadressed DMOS-transistor output remaining in their previuous state. In the MOS-transistor outputs remain in their previous states and are unaffected by the data or address inputs. To eliminate the possibility of entering erroneus data in the latch, enable G should be ORDERING CODES
Type STPIC6A259M STPIC6A259MTR
held high (inactive) while the address lines are changing. In the 8-line demoultiplexing mode, the addressed output is inverted with respectto the D input and all other output are high. In the clear mode, all outputs are high and unaffected by the address and data inputs. Separate power ground (PGND) and logic ground (LGND) terminals are providied to facilitate maximum system flexibility. All PGND terminals are interally connected, and each pGND terminal must be externally connected to the power system ground in order to minimize parasitic impedance. A single-point connection between LGND and PGND must be made externally in a manner that reduces crosstalk between the logi and load circuits. The STPIC6A259 is offered in a termally enhanced SO-24 package. The STPIC6A259 is characterized for operation over the operating case temperature range -40C to 125C.
Package SO-24 Batwing (Tube) SO-24 Batwing (Tape & Reel)
Comments 50parts per tube / 20tube per box 2500 parts per reel
March 2001
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This is preliminary information on a new product now in development are or undergoing evaluation. Details subject to change without notice.
STPIC6A259
LOGIC SYMBOL AND PIN CONFIGURATION
FUNCTIONAL TABLE
INPUTS CLR H H H L L L G L L H L L H OUTPUT OF EACH ADDRESSED OTHER D DRAIN DRAIN H L X H L X L H Qio L H H Qio Qio Qio H H H FUNCTION Addressable Latch Memory 8-Line Demultiplexer Clear
FUNCTIONAL TABLE
SELECT INPUTS DRAIN ADDRESSED S2 L L L L H H H H S1 L L H H L L H H S0 L H L H L H L H 0 1 2 3 4 5 6 7
INPUT AND OUTPUT EQUIVALENT CIRCUITS
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STPIC6A259
ABSOLUTE MAXIMUM RATINGS
Symbol VCC VI VDS IDS IDS ID ID ID EAS IAS Pd Pd TJ TC Tstg TL Logic Input Voltage Range Power DMOS Drain to Source Voltage (See Note 2) Continuous Source to Drain Diode Anode Current Pulsed Source to Drain Diode Anode Current (See Note 3) Pulsed Drain Current, Each Output, All Output ON (TC=25C) Continuous Current, Each Output, All Output ON (TC=25C) Peak Drain Current Single Output (TC=25C) (See Note 3) Single Pulse Avalanche Energy (See Note 6) Avalanche Current (See Note 4) Continuous total dissipation (TC 25C) Continuous total dissipation (TC = 125C) Operating Virtual Junction Temperature Range Operating Case Temperature Range Storage Temperature Range Lead Temperature 1.6mm (1/16inch) from case for 10 seconds Parameter Logic Supply Voltage (See Note 2) Value 7 -0.3 to 7 50 1 2 1.1 350 1.1 75 600 1750 350 -40 to +150 -40 to +125 -65 to +150 260 Unit V V V A A A mA A mJ mA mW mW C C C C
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied.
THERMAL DATA
Symbol Rthj-case Rthj-amb Parameter Thermal Resistance Junction-case Thermal Resistance Junction-ambient 10 50 Unit C/W C/W
RECOMMENDED OPERATING CONDITIONS
Symbol VCC VIH VIL IDP tsu th tW TC Logic Supply Voltage High Level Input Voltage Low Level Input Voltage Pulse Drain Output Current (TC=25C, VCC=5V) (see note 3, 5) Set-up Time, D High Before G (see Figure 2) Hold Time, D High Before G (see Figure 2) Pulse Duration (see Figure 2) Operating Case Temperature Parameter Min. 4.5 0.85VCC 0 -1.8 10 5 15 -40 125 Max. 5.5 VCC 0.15VCC 0.6 Unit V V V A ns ns ns C
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STPIC6A259
DC CHARACTERISTICS (V CC=5V, TC= 25C, unless otherwise specified.)
Symbol Parameter Test Conditions Min. 50 0.8 1.1 1 -1 0.5 Note 3 and Figg. I(nom) = ID TC=85C TC=25C TC=125C TC=25C TC=125C 0.6 0.8 350 5 1.1 Typ. Max. Unit V V A A mA A mA V(BR)DSX Drain-to-Source breakdown ID = 1mA Voltage VSD Source-to-Drain Diode IF = 350 mA (See Note 3) Forward Voltage IIH High Level Input Current VI = VCC IIL Low Level Input Current VI = 0 ICC IOK I(nom) Logic Supply Current Output Current at Which Chopping Starts Nominal Current IO = 0 TC = 25C (See 3, 4) VDS(on) = 0.5V VCC = 5V (See Note 5, 6, 7) VDS = 40V VDS = 40V RDS(on) Termination Resistance (See Note 5, 6 and figg. 9, 10) ID = 350mA ID = 350mA
ID
Off-State Drain Current
0.1 0.2 1 1.7
1 5 1.5 2.5
A A
SWITCHING CHARACTERISTICS (VCC=5V, TC= 25C, unless otherwise specified.)
Symbol tPHL Parameter Propagation Dealy Time, High to Low Level Output from D Propagation Dealy Time, Low to High Level Output from D Rise Time, Drain Output Fall Time, Drain Output Reverse Recovery Current Rise Time Reverse Recovery Time IF = 350mA di/dt = 20A/s (See Note 5, 6 and Fig. 5) Test Conditions CL = 30pF ID = 350mA (See Figg. 1, 2, 11) Min. Typ. 30 Max. Unit ns
tPLH
125
ns
tr tf ta trr
60 30 100 300
ns ns ns ns
Note 1: All Voltage valuea are with respect to LGND and PGND Note 2: Each power DMOS source is internally connected to GND Note 3: Pulse duration 100ms and duty cycle 2% Note 4: Drain Supply Voltage = 15V, starting junction temperature (TJS) = 25C. L = 210H and IAS = 600mA (See Fig. 6) Note 5: Technique should limit TJ - TC to 10C maximum Note 6: These parameters are measured with voltage sensing contacts separate from the current-carrying contacts. Note 7: Nominal Current is defined for a consistent comparison between devices from different sources. It is the current that produces a voltage drop of 0.5V at TC = 85C.
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STPIC6A259
LOGIC DIAGRAM
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STPIC6A259
TYPICAL OPERATION MODE TEST CIRCUITS
TYPICAL OPERATION MODE WAVEFORMS
NOTE: A) The word generator has the following characteristics: tr 10ns, tf 10ns, tW = 300ns, pulse repetition rate (PRR) = 5KHz, Z O = 50 B) CL includes probe and jig capacitance.
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STPIC6A259
TYPICAL OPERATION MODE TEST CIRCUITS
SWITCHING TIME WAVEFORM
INPUT SETUP AND HOLD WAVEFORM
NOTE: A) The word generator has the following characteristics: tr 10ns, tf 10ns, tW = 300ns, pulse repetition rate (PRR) = 5KHz, Z O = 50 B) CL includes probe and jig capacitance.
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STPIC6A259
REVERSE RECOVERY CURRENT TEST CIRCUITS
SOURCE DRAIN DIODE WAVEFORM
NOTE: A) The VGG amplitude and RG are adjusted for di/dt = 20A/s. A V GG double-pulse trainn is used to set IF = 0.35A. where t 1 = 10s, t2 = 7s and t3 = 3s B) The Drain terminal under test is connected to the TPK test point. All other terminals are connected together and connected to the TPA test point. C) IRM = maximum recovery current.
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STPIC6A259
SINGLE PULSE AVALANCHE ENERGY TEST CIRCUITS
SINGLE PULSE AVALANCHE ENERGY WAVEFORM
NOTE: A) The word generator has the following characteristics: tr 10ns, tf 10ns, ZO = 50 B) Input pulse duration, tW is increased until peak current IAS = 600 mA. Energy test level is defined as EAS = (IAS x V (BR)DSX x tAV )/2 = 75mJ.
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STPIC6A259
TYPICAL PERFORMANCE CHARACTERISTICS (unless otherwise specified Tj = 25C) Figure 1 : Maximum Continuous Drain Current vs Number of Outputs Conducting Simultaneously Figure 4 : Static Drain-Source ON-State Resistance vs Logic Supply Voltage
Figure 2 : Static Drain-Source ON-State Resistance vs Drain Current
Figure 5 : Chopping Mode Characteristics
Figure 3 : MaximumPeak Drain Current vs Number of Outputs Conducting Simultaneously
Figure 6 : Output Current vs Case Temperature
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STPIC6A259
Figure 7 : Switching Time vs Case Temperature Figure 8 : Switching Time vs Case Temperature
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STPIC6A259
SO-24 MECHANICAL DATA
mm MIN. A a1 a2 b b1 C c1 D E e e3 F L S 7.40 0.50 15.20 10.00 1.27 13.97 7.60 1.27 8 (max.) 0.291 0.19 15.60 10.65 0.35 0.23 0.50 45 (typ.) 0.598 0.393 0.05 0.55 0.299 0.050 0.614 0.420 0.10 TYP. MAX. 2.65 0.20 2.45 0.49 0.32 0.013 0.009 0.020 0.004 MIN. inch TYP. MAX. 0.104 0.007 0.096 0.019 0.012
DIM.
L
C
c1
a2
e3 D
E
24
13
1
12
F
a1
s
P013T
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b1
b
e
A
STPIC6A259
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. (c) The ST logo is a registered trademark of STMicroelectronics (c) 2001 STMicroelectronics - Printed in Italy - All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia - Malta - Morocco Singapore - Spain - Sweden - Switzerland - United Kingdom (c) http://www.st.com
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