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LMA1010/2010
DEVICES INCORPORATED
16 x 16-bit Multiplier-Accumulator
LMA1010/2010
DEVICES INCORPORATED
16 x 16-bit Multiplier-Accumulator
DESCRIPTION
TC, ACC, and SUB controls are latched on the rising edge of the logical OR of CLK A and CLK B. TC specifies the input as two's complement (TC HIGH) or unsigned magnitude (TC LOW). RND, when HIGH, adds `1' to the most significant bit position of the least significant half of the product. Subsequent truncation of the 16 least The LMA1010 and LMA2010 produce significant bits produces a result the 32-bit product of two 16-bit numbers. correctly rounded to 16-bit preciThe results of a series of multiplications sion. may be accumulated to form the sum of products. Accumulation is performed to ACC and SUB control accumulator 35-bit precision with the multiplier prod- operation. ACC HIGH results in addition of the multiplier product and uct sign extended as appropriate. the accumulator contents, with the result Data present at the A and B input regis- stored in the accumulator register on the ters is latched on the rising edges of rising edge of CLK R. ACC and SUB CLK A and CLK B respectively. RND, HIGH results in subtraction of the accumulator contents from the multiplier product, with the result stored B15-0 in the accumulator register. With ACC A15-0 R15-0 16 LOW and SUB LOW, no accumulation 16 occurs and the next product is loaded A REGISTER B REGISTER directly into the accumulator register. ACC LOW and SUB HIGH is undefined. The LMA1010 and LMA2010 are high-speed, low power 16-bit multiplier-accumulators. The LMA1010 and LMA2010 are functionally identical; they differ only in packaging. Full military ambient temperature range operation is achieved with advanced CMOS technology. The LMA1010/2010 output register (accumulator register) is divided into three independently controlled sections. The least significant result (LSR) and most significant result (MSR) registers are 16 bits in length. The extended result register (XTR) is 3 bits long. The output signals R15-0 and input signals B15-0 share the same bidirectional pins. Each output register has an independent output enable control. In addition to providing three-state control of the output buffers, when OEX, OEM, or OEL are HIGH and PREL is HIGH, data can be preloaded via the bidirectional output pins into the respective output registers. Data present on the output pins is latched on the rising edge of CLK R. The interrelation of PREL and the enable controls is summarized in Table 1.
FEATURES
u 20 ns Multiply-Accumulate Time u Replaces Fairchild TMC2210, Cypress CY7C510, IDT 7210L, and AMD Am29510 u Two's Complement or Unsigned Operands u Accumulator Performs Preload, Accumulate, and Subtract u Three-State Outputs u 68-pin PLCC, J-Lead
LMA1010/2010 BLOCK DIAGRAM
CLK A CLK B
TC ACC SUB
REGISTER
RND
32 R R+A A 35
OEX OEM OEL PREL 3 OEX OEM OEL PRELOAD CONTROL LOGIC 3
LEX LEM LEL
R-A PASS R
LEX 35 3
LEM 16
LEL 16
CLK R
ACCUMULATOR REGISTER
OEX 3 R34-32
OEM 16 R31-16
OEL 16
Multiplier-Accumulators
1
08/16/2000-LDS.10/2010-P
LMA1010/2010
DEVICES INCORPORATED
16 x 16-bit Multiplier-Accumulator
FIGURE 1A. INPUT FORMATS
AIN BIN Fractional Two's Complement (TC = 1) 15 14 13 -20 2-1 2-2
(Sign)
TABLE 1. PRELOAD TRUTH TABLE
PREL OEX L L L L L L L L H H H H H H H H L L L L H H H H L L L L H H H H OEM L L H H L L H H L L H H L L H H OEL L H L H L H L H L H L H L H L H XTR OUT OUT OUT OUT Z Z Z Z Z Z Z Z PREL PREL MSR LSR OUT OUT OUT Z Z Z OUT Z
210 2-13 2-14 2-15
15 14 13 -20 2-1 2-2
(Sign)
210 2-13 2-14 2-15
OUT OUT OUT Z Z Z Z PREL Z OUT Z Z PREL Z
Integer Two's Complement (TC = 1) 15 14 13 -215 214 213
(Sign)
210 22 21 20
15 14 13 -215 214 213
(Sign)
210 22 21 20
Unsigned Fractional (TC = 0) 15 14 13 2-1 2-2 2-3 210 2-14 2-15 2-16 15 14 13 2-1 2-2 2-3 210 2-14 2-15 2-16
PREL PREL Z Z Z PREL Z
PREL PREL
PREL PREL PREL
Unsigned Integer (TC = 0) 15 14 13 215 214 213 210 22 21 20 15 14 13 215 214 213 210 22 21 20
PREL = Preload data to appropriate register OUT = Register available on output pins Z = High impedance state
FIGURE 1B.
OUTPUT FORMATS
XTR MSR Fractional Two's Complement 34 33 32 -24 23 22
(Sign)
LSR
31 30 29 21 20 2-1
18 17 16 2-12 2-13 2-14
15 14 13 2-15 2-16 2-17
210 2-28 2-29 2-30
Integer Two's Complement 34 33 32 -234 233 232
(Sign)
31 30 29 231 230 229
18 17 16 218 217 216 Unsigned Fractional
15 14 13 215 214 213
210 22 21 20
34 33 32 22 21 20
31 30 29 2-1 2-2 2-3
18 17 16 2-14 2-15 2-16 Unsigned Integer
15 14 13 2-17 2-18 2-19
210 2-30 2-31 2-32
34 33 32 234 233 232
31 30 29 231 230 229
18 17 16 218 217 216
15 14 13 215 214 213
210 22 21 20
Multiplier-Accumulators
2
08/16/2000-LDS.10/2010-P
LMA1010/2010
DEVICES INCORPORATED
16 x 16-bit Multiplier-Accumulator
MAXIMUM RATINGS Above which useful life may be impaired (Notes 1, 2, 3, 8)
Storage temperature ........................................................................................................... -65C to +150C Operating ambient temperature ........................................................................................... -55C to +125C VCC supply voltage with respect to ground ............................................................................ -0.5 V to +7.0 V Input signal with respect to ground ........................................................................................ -3.0 V to +7.0 V Signal applied to high impedance output ............................................................................... -3.0 V to +7.0 V Output current into low outputs ............................................................................................................. 25 mA Latchup current ............................................................................................................................... > 400 mA
OPERATING CONDITIONS To meet specified electrical and switching characteristics
Mode Active Operation, Commercial Active Operation, Military Temperature Range (Ambient) 0C to +70C -55C to +125C Supply Voltage 4.75 V VCC 5.25 V 4.50 V VCC 5.50 V
ELECTRICAL CHARACTERISTICS Over Operating Conditions (Note 4)
Symbol VOH VOL VIH VIL IIX IOZ ICC1 ICC2 Parameter Output High Voltage Output Low Voltage Input High Voltage Input Low Voltage Input Current Output Leakage Current VCC Current, Dynamic VCC Current, Quiescent
(Note 3)
Test Condition VCC = Min., IOH = -2.0 mA VCC = Min., IOL = 8.0 mA
Min 2.4
Typ
Max
Unit V
0.5 2.0 0.0 VCC 0.8 20 20 12 25 1.0
V V V A A mA mA
Ground VIN VCC (Note 12) Ground VOUT VCC (Note 12)
(Notes 5, 6) (Note 7)
Multiplier-Accumulators
3
08/16/2000-LDS.10/2010-P
432109876543210987654321 432109876543210987654321 432109876543210987654321
*DISCONTINUED SPEED GRADE
Symbol Symbol
*includes OEX, OEM, OEL
543210987654321098765432121098765432109876543210987654321 543210987654321098765432121098765432109876543210987654321 543210987654321098765432121098765432109876543210987654321 543210987654321098765432121098765432109876543210987654321 543210987654321098765432121098765432109876543210987654321 543210987654321098765432121098765432109876543210987654321 543210987654321098765432121098765432109876543210987654321 543210987654321098765432121098765432109876543210987654321 543210987654321098765432121098765432109876543210987654321 543210987654321098765432121098765432109876543210987654321 543210987654321098765432121098765432109876543210987654321 543210987654321098765432121098765432109876543210987654321 543210987654321098765432121098765432109876543210987654321 543210987654321098765432121098765432109876543210987654321 543210987654321098765432121098765432109876543210987654321 543210987654321098765432121098765432109876543210987654321 543210987654321098765432121098765432109876543210987654321 543210987654321098765432121098765432109876543210987654321 543210987654321098765432121098765432109876543210987654321 543210987654321098765432121098765432109876543210987654321 543210987654321098765432121098765432109876543210987654321 543210987654321098765432121098765432109876543210987654321 543210987654321098765432121098765432109876543210987654321 543210987654321098765432121098765432109876543210987654321 543210987654321098765432121098765432109876543210987654321 543210987654321098765432121098765432109876543210987654321 543210987654321098765432121098765432109876543210987654321 543210987654321098765432121098765432109876543210987654321 543210987654321098765432121098765432109876543210987654321 543210987654321098765432121098765432109876543210987654321 543210987654321098765432121098765432109876543210987654321 543210987654321098765432121098765432109876543210987654321 543210987654321098765432121098765432109876543210987654321
Min Max Min Max Min Max Min Max Min Max Min Max 20 20 20 2 2
DEVICES INCORPORATED
COMMERCIAL OPERATING RANGE (0C to +70C) Notes 9, 10 (ns)
SWITCHING CHARACTERISTICS
16 x 16-bit Multiplier-Accumulator
LMA1010/2010- 45* 35*
1098765432 10987654321 10987654321 10987654321 10987654321 10987654321 10987654321 10987654321 10987654321 10987654321 10987654321 10987654321 10987654321 10987654321 10987654321 10987654321 10987654321 10987654321 10987654321 10987654321 10987654321 10987654321 10987654321 10987654321 10987654321 10987654321 10987654321 10987654321 10987654321 10987654321 10987654321 1 10987654321
10 10 2 2 9
09876543218765432109876543210987654321 9 09876543298765432109876543210987654321 1 09876543298765432109876543210987654321 9 1 09876543218765432109876543210987654321 09876543298765432109876543210987654321 1 09876543218765432109876543210987654321 9 1 09876543218765432109876543210987654321 9 09876543218765432109876543210987654321 9 09876543298765432109876543210987654321 9 09876543218765432109876543210987654321 09876543218765432109876543210987654321 9 1 09876543218765432109876543210987654321 9 09876543298765432109876543210987654321 9 09876543218765432109876543210987654321 09876543298765432109876543210987654321 9 1 09876543218765432109876543210987654321 1 09876543218765432109876543210987654321 9 09876543298765432109876543210987654321 9 09876543218765432109876543210987654321 09876543298765432109876543210987654321 9 1 09876543218765432109876543210987654321 1 09876543218765432109876543210987654321 9 09876543298765432109876543210987654321 09876543218765432109876543210987654321 9 09876543298765432109876543210987654321 1 09876543218765432109876543210987654321 9 1 09876543218765432109876543210987654321 9 09876543298765432109876543210987654321 09876543298765432109876543210987654321 9 1 09876543218765432109876543210987654321 09876543218765432109876543210987654321 9 09876543218765432109876543210987654321 9
15 15 15 2 2
SWITCHING WAVEFORMS
MILITARY OPERATING RANGE (-55C to +125C) Notes 9, 10 (ns)
tDIS
tENA
tD
tHP
tSP
tH
tS
tPW
tMC
tENA
tD
tHP
tSP
tH
tS
tPW
tMC
tDIS
CLK R
CLK A CLK B
PREL
R34-0
A15-0 B15-0
OE*
Parameter
Three-State Output Disable Delay (Note 11)
Three-State Output Enable Delay (Note 11)
Output Delay
Preload Hold Time
Preload Setup Time
Input Register Hold Time
Input Register Setup Time
Clock Pulse Width
Clocked Multiply Time
Parameter
Three-State Output Disable Delay (Note 11)
Three-State Output Enable Delay (Note 11)
Output Delay
Preload Hold Time
Preload Setup Time
Input Register Hold Time
Input Register Setup Time
Clock Pulse Width
Clocked Multiply Time
tSP
PRELOAD
tHP
tPW
tS
Min Max Min Max Min Max Min Max Min Max Min Max
tDIS
75*
65*
4
30
30
30
65
35
35
35
75
tH
tPW
HIGH IMPEDANCE
tPW
15
15
15
15
15
15
2
2
2
2
55*
65*
25
25
30
55
25
30
30
65
tMC
15
12
12
15
15
15
2
2
2
2
LMA1010/2010- 55* 40*
tENA
25
25
25
45
25
30
30
55
Multiplier-Accumulators
10 12 12 15 15 15 2 2 2 2 25 25 25 35 25 25 25 40
tD
LMA1010/2010
10
12
12
10
12
12
2
2
2
2
30*
25
08/16/2000-LDS.10/2010-P
20
20
20
25
20
20
20
30
OUTPUT
10
12
12
2
2
25*
20*
18
18
18
20
20
20 20 25
LMA1010/2010
DEVICES INCORPORATED
16 x 16-bit Multiplier-Accumulator
NOTES
9. AC specifications are tested with input transition times less than 3 ns, output reference levels of 1.5 V (except tDIS test), and input levels of nominally 0 to 3.0 V. Output loading may be a resistive divider which provides for specified IOH and IOL at an output voltage of VOH min and VOL max 2. The products described by this spec- respectively. Alternatively, a diode ification include internal circuitry de- bridge with upper and lower current signed to protect the chip from damagsources of IOH and IOL respectively, ing substrate injection currents and ac- and a balancing voltage of 1.5 V may be cumulations of static charge. Neverthe- used. Parasitic capacitance is 30 pF less, conventional precautions should minimum, and may be distributed. be observed during storage, handling, and use of these circuits in order to This device has high-speed outputs caavoid exposure to excessive electrical pable of large instantaneous current stress values. pulses and fast turn-on/turn-off times. As a result, care must be exercised in the 3. This device provides hard clamping of testing of this device. The following transient undershoot and overshoot. In- measures are recommended: put levels below ground or above VCC will be clamped beginning at -0.6 V and a. A 0.1 F ceramic capacitor should be VCC + 0.6 V. The device can withstand installed between VCC and Ground indefinite operation with inputs in the leads as close to the Device Under Test range of -0.5 V to +7.0 V. Device opera- (DUT) as possible. Similar capacitors tion will not be adversely affected, how- should be installed between device VCC ever, input current levels will be well in and the tester common, and device ground and tester common. excess of 100 mA. 4. Actual test conditions may vary from b. Ground and VCC supply planes those designated but operation is guar- must be brought directly to the DUT anteed as specified. socket or contactor fingers. 5. Supply current for a given applica- c. Input voltages should be adjusted to tion can be accurately approximated by: compensate for inductive ground and VCC noise to maintain required DUT input NCV2 F levels relative to the DUT ground pin. where 4 10. Each parameter is shown as a minimum or maximum value. Input requirements are specified from the point of view of the external system driving the chip. Setup time, for example, is specified as a minimum since the exter6. Tested with all outputs changing ev- nal system must supply at least that ery cycle and no load, at a 5 MHz clock much time to meet the worst-case requirements of all parts. Responses from rate. the internal circuitry are specified from 7. Tested with all inputs within 0.1 V of the point of view of the device. Output VCC or Ground, no load. delay, for example, is specified as a 8. These parameters are guaranteed maximum since worst-case operation of any device always provides data within but not 100% tested. that time. N = total number of device outputs C = capacitive load per output V = supply voltage F = clock frequency 1. Maximum Ratings indicate stress specifications only. Functional operation of these products at values beyond those indicated in the Operating Conditions table is not implied. Exposure to maximum rating conditions for extended periods may affect reliability. 11. For the tENA test, the transition is measured to the 1.5 V crossing point with datasheet loads. For the tDIS test, the transition is measured to the 200mV level from the measured steady-state output voltage with 10mA loads. The balancing voltage, VTH, is set at 3.5 V for Z-to-0 and 0-to-Z tests, and set at 0 V for Zto-1 and 1-to-Z tests. 12. These parameters are only tested at the high temperature extreme, which is the worst case for leakage current.
FIGURE A. OUTPUT LOADING CIRCUIT
DUT
S1 IOL CL IOH VTH
FIGURE B. THRESHOLD LEVELS
tENA OE
Z 0
1.5 V 1.5 V 1.5 V
tDIS
3.5V Vth VOL*
0.2 V
0 1
Z Z
1.5 V
VOH*
0.2 V
Z
1
0V Vth VOL* Measured VOL with IOH = -10mA and IOL = 10mA VOH* Measured VOH with IOH = -10mA and IOL = 10mA
Multiplier-Accumulators
5
08/16/2000-LDS.10/2010-P
210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 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210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
DEVICES INCORPORATED
Speed
-55C to +125C -- MIL-STD-883 COMPLIANT
-55C to +125C -- COMMERCIAL SCREENING
0C to +70C -- COMMERCIAL SCREENING
LMA1010 -- ORDERING INFORMATION
64-pin
A6 A5 A4 A3 A2 A1 A0 B0, R0 B1, R1 B2, R2 B3, R3 B4, R4 B5, R5 B6, R6 B7, R7 GND B8, R8 B9, R9 B10, R10 B11, R11 B12, R12 B13, R13 B14, R14 B15, R15 R16 R17 R18 R19 R20 R21 R22 R23
Sidebraze Hermetic DIP (D6)
Discontinued Package
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
A7 A8 A9 A10 A11 A12 A13 A14 A15 OEL RND SUB ACC CLK A CLK B VCC TC OEX PREL OEM CLK R R34 R33 R32 R31 R30 R29 R28 R27 R26 R25 R24
6
68-pin
G
H
D
C
K
E
B
A
F
L
J
16 x 16-bit Multiplier-Accumulator
GND B/R7
B/R9 B/R8
B/R6 B/R5
B/R4 B/R3
B/R2 B/R1
B/R15 B/R14
B/R13 B/R12
B/R11 B/R10
NC
1
R17
R16
NC
2
B/R0
R19
R18
A0
3
Ceramic Pin Grid Array (G2)
Discontinued Package
R21
R20
(i.e., Component Side Pinout)
A2
A1
Multiplier-Accumulators
4
Through Package R23 R22 A4 A3
5
Top View
R25
R24
A6
A5
6
R27
R26
A8
A7
7
LMA1010/2010
R29
R28
A10
A9
8
08/16/2000-LDS.10/2010-P
R31 R30 A12 A11
9
CLK A ACC
OEX
SUB RND
OEL
OEM PREL
VCC CLK B
R32 A14 A13
R34 CLK R
NC
10
R33 A15 NC TC
11
LMA1010/2010
DEVICES INCORPORATED
16 x 16-bit Multiplier-Accumulator
LMA2010 -- ORDERING INFORMATION
68-pin
A15 OEL RND SUB ACC CLK A CLK B VCC VCC VCC VCC TC OEX PREL OEM CLK R R34
A14 A13 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 B0, R0 B1, R1
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54
Top View
53 52 51 50 49 48 47 46 45
44 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
B2, R2 B3, R3 B4, R4 B5, R5 B6, R6 B7, R7 GND GND B8, R8 B9, R9 B10, R10 B11, R11 B12, R12 B13, R13 B14, R14 B15, R15 R16
Speed
Plastic J-Lead Chip Carrier (J2)
0C to +70C -- COMMERCIAL SCREENING
35 ns 25 ns LMA2010JC35 LMA2010JC25
-55C to +125C -- COMMERCIAL SCREENING
-55C to +125C -- MIL-STD-883 COMPLIANT
R33 R32 R31 R30 R29 R28 R27 R26 R25 R24 R23 R22 R21 R20 R19 R18 R17
Multiplier-Accumulators
7
08/16/2000-LDS.10/2010-P

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