NE521N PDF даташит
Спецификация NE521N изготовлена «Philips» и имеет функцию, называемую «High-speed dual-differential comparator/sense amp». |
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Детали детали
Номер произв | NE521N |
Описание | High-speed dual-differential comparator/sense amp |
Производители | Philips |
логотип |
8 Pages
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INTEGRATED CIRCUITS
NE521
High-speed dual-differential
comparator/sense amp
Product data
Supersedes data of 1994 Aug 31
File under Integrated Circuits, IC11 Handbook
2001 Aug 03
Philips
Semiconductors
No Preview Available ! |
Philips Semiconductors
High-speed dual-differential comparator/sense amp
Product data
NE521
FEATURES
• 12 ns maximum guaranteed propagation delay
• 20 µA maximum input bias current
• TTL compatible strobes and outputs
• Large common-mode input voltage range
• Operates from standard supply voltages
APPLICATIONS
• MOS memory sense amp
• A-to-D conversion
• High-speed line receiver
ORDERING INFORMATION
DESCRIPTION
14-Pin Plastic Dual In-Line Package (DIP)
14-Pin SO Package
EQUIVALENT SCHEMATIC
V+
14
R2 R1
PIN CONFIGURATION
D, N Packages
INPUT 1A 1
INPUT 1B 2
NC 3
OUTPUT 1Y 4
STROBE 1G 5
STROBE S 6
GND 7
14 V+
13 V–
12 INPUT 2A
11 INPUT 2B
10 NC
9 OUTPUT 2Y
8 STROBE 2G
TOP VIEW
SL00242
Figure 1. Pin Configuration
TEMPERATURE RANGE
0 °C to +70 °C
0 °C to +70 °C
ORDER CODE
NE521N
NE521D
DWG #
SOT27-1
SOT108-1
R17
R20 R21
R25
–
2
1+
Q2 Q1
Q9
13 V–
R4
R8
+
12
–
11
Q16
Q15 Q14
Q4 Q3
D7 D6
R16
Q6 Q5
Q7
5
Q25
Q10 Q8 Q13
Q11
R5 R3
R10 R7
Q18 Q17
R15 R6
R9
Q19
R14
D2
D3
D4 D5
Q20 Q21
Q22 Q23
R18
8
Q24
Q31
Q26
6
Q30
R24
Q29
4
Q28
R22 R23
Q27
Q36
R28 R29
Q35
7
R30
Q32 Q34
Q32
9
R12 R11
V+
R19
Figure 2. Equivalent Schematic
R26 R27
R34
SL00243
2001 Aug 03
2 853-0900 26834
No Preview Available ! |
Philips Semiconductors
High-speed dual-differential comparator/sense amp
Product data
NE521
BLOCK DIAGRAM
(1)
INPUT 1A
(2)
INPUT 1B
(4)
OUTPUT 1Y
(5)
STROBE 1G
(6)
STROBE S
(12)
INPUT 2A
(11)
INPUT 2B
(9)
OUTPUT 3Y
(8)
STROBE 2G
SL00244
Figure 3. Block Diagram
ABSOLUTE MAXIMUM RATINGS
SYMBOL
PARAMETER
Supply voltage
V+ Positive
V– Negative
VIDR
VIN
PD
Differential input voltage
Input voltage
Common mode
Strobe/gate
Maximum power dissipation1
Tamb = 25 °C (still-air)
N package
D package
Tamb
Operating temperature range
Tstg Storage temperature range
Tsld Lead soldering temperature (10 sec. max)
NOTES:
1. Derate above 25 °C at the following rates:
N package at 11.4 mW/°C
D package at 8.3 mW/°C
LOGIC FUNCTIONS
VID
A+, B–
STROBE S
VID ≤ –VOS
–VOS < VID < VOS
VID ≥ VOS
X
H
H
H
L
XX
STROBE G OUTPUT (Y)
HL
H Undefined
HH
XH
LH
RATING
+7
-7
±6
±5
+5.25
1420
1040
0 to 70
–65 to +150
+230
UNIT
V
V
V
V
V
mW
mW
°C
°C
°C
2001 Aug 03
3
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