NE521D 查看數據表（PDF） - Philips Electronics
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NE521D Datasheet PDF : 8 Pages
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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
Q25
Q7
5
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
7
Q36
R28
R29
Q35
R30
9
Q32
Q34
Q32
R12
R11
V+
R19
Figure 2. Equivalent Schematic
R26
R27
R34
SL00243
2001 Aug 03
2
853-0900 26834
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