參數(shù)資料
型號(hào)： 935053590602
廠商： NXP SEMICONDUCTORS
元件分類(lèi)： 總線收發(fā)器
英文描述： ABT SERIES, OCTAL 1-BIT DRIVER, INVERTED OUTPUT, PDIP20
封裝： PLASTIC, SOT-146-1, DIP-20
文件頁(yè)數(shù)： 1/5頁(yè)
文件大?。?/td> 43K
代理商： 935053590602
Philips Semiconductors
Product specification
74ABT240
Octal inverting buffer (3-State)
2
1996 Sep 10
853–1608 17274
FEATURES
Octal bus interface
3-State buffers
Output capability: +64mA/–32mA
Latch-up protection exceeds 500mA per Jedec Std 17
ESD protection exceeds 2000 V per MIL STD 883 Method 3015
and 200 V per Machine Model
Power-up 3-State
Live insertion/extraction permitted
DESCRIPTION
The 74ABT240 high-performance BiCMOS device combines low
static and dynamic power dissipation with high speed and high
output drive.
The 74ABT240 device is an octal inverting buffer that is ideal for
driving bus lines. The device features two Output Enables (1OE,
2OE), each controlling four of the 3-State outputs.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
Tamb = 25°C; GND = 0V
TYPICAL
UNIT
tPLH
tPHL
Propagation delay
nAx to nYx
CL = 50pF; VCC = 5V
3.1
ns
CIN
Input capacitance
VI = 0V or VCC
4
pF
COUT
Output capacitance
Outputs disabled; VO = 0V or VCC
7
pF
ICCZ
Total supply current
Outputs disabled; VCC =5.5V
50
A
ORDERING INFORMATION
PACKAGES
TEMPERATURE RANGE
OUTSIDE NORTH AMERICA
NORTH AMERICA
DWG NUMBER
20-Pin Plastic DIP
–40
°C to +85°C
74ABT240 N
SOT146-1
20-Pin plastic SO
–40
°C to +85°C
74ABT240 D
SOT163-1
20-Pin Plastic SSOP Type II
–40
°C to +85°C
74ABT240 DB
SOT339-1
20-Pin Plastic TSSOP Type I
–40
°C to +85°C
74ABT240 PW
74ABT240PW DH
SOT360-1
PIN DESCRIPTION
PIN
NUMBER
SYMBOL
NAME AND FUNCTION
2, 4, 6, 8
1A0 – 1A3
Data inputs
11, 13, 15,
17
2A0 – 2A3
Data inputs
18, 16, 14,
12
1Y0 – 1Y3
Data outputs
9, 7, 5, 3
2Y0 – 2Y3
Data outputs
1, 19
1OE, 2OE
Output enables
10
GND
Ground (0V)
20
VCC
Positive supply voltage
PIN CONFIGURATION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1OE
1A0
2Y0
1A1
2Y1
1A2
2Y2
1A3
2Y3
1Y3
GND
2A2
1Y2
2A1
1Y1
2A0
1Y0
2OE
VCC
2A3
SA00034
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