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參數(shù)資料
| 型號(hào)： | 74ABT2245N |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 通用總線功能 |
| 英文描述： | Octal transceiver with direction pin with 30ohm series termination resistors 3-State |
| 中文描述： | ABT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDIP20 |
| 文件頁數(shù)： | 2/12頁 |
| 文件大?。?/td> | 107K |
| 代理商： | 74ABT2245N |
Philips Semiconductors
Product specification
74ABT2245
Octal transceiver with direction pin
and 30
series termination resistors (3-State)
2
1998 Jan 16
853-1761 18865
FEATURES
Octal bidirectional bus interface
3-State buffers
Output capability: +12mA/–32mA
Latch-up protection exceeds 500mA per Jedec Std 17
ESD protection exceeds 2000 V per MIL STD 833 Method 3015
and 200 V per Machine Model
Power-up 3-State
Live insertion/extraction permitted
Same as 74ABT245-1
Outputs include series resistance of 30
, making external
termination resistors unnecessary
Inputs are disabled during 3-State mode
DESCRIPTION
The 74ABT2245 high-performance BiCMOS device combines low
static and dynamic power dissipation with high speed.
The 74ABT2245 device is an octal transceiver featuring
non-inverting 3-State bus compatible outputs in both send and
receive directions. The control function implementation minimizes
external timing requirements. The device features an Output Enable
(OE) input for easy cascading and a Direction (DIR) input for
direction control.
The 74ABT2245 is designed with 30
series resistance in both the
High and Low states of the output. This design reduces line noise in
applications such as memory address drivers, clock drivers, and bus
receivers/transmitters.
The 74ABT2245 is the same as the 74ABT245-1. The part number
has been changed to reflect industry standards.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
T
amb
= 25
°
C; GND = 0V
TYPICAL
UNIT
t
PLH
t
PHL
Propagation delay
An to Bn or Bn to An
C
L
= 50pF; V
CC
= 5V
3.9
ns
C
IN
Input capacitance DIR, OE
V
I
= 0V or V
CC
4
pF
C
I/O
I/O pin capacitance
Outputs disabled; V
O
= 0V or V
CC
7
pF
I
CCZ
Total supply current
Outputs disabled; V
CC
=5.5V
50
μ
A
ORDERING INFORMATION
PACKAGES
TEMPERATURE RANGE
OUTSIDE NORTH AMERICA
NORTH AMERICA
DWG NUMBER
20-Pin Plastic DIP
–40
°
C to +85
°
C
74ABT2245 N
74ABT2245 N
SOT146-1
20-Pin plastic SO
–40
°
C to +85
°
C
74ABT2245 D
74ABT2245 D
SOT163-1
20-Pin Plastic SSOP Type II
–40
°
C to +85
°
C
74ABT2245 DB
74ABT2245 DB
SOT339-1
20-Pin Plastic TSSOP Type I
–40
°
C to +85
°
C
74ABT2245 PW
7ABT2245PW DH
SOT360-1
PIN CONFIGURATION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
DIR
A0
A1
A2
A3
A4
A5
A6
A7
GND
V
CC
OE
B0
B1
B2
B3
B4
B5
B6
B7
SA00121
PIN DESCRIPTION
PIN NUMBER
SYMBOL
NAME AND FUNCTION
1
DIR
Direction control input
2, 3, 4, 5, 6, 7, 8, 9
A0 – A7
Data inputs/outputs (A side)
18, 17, 16, 15, 14,
13, 12, 11
B0 – B7
Data inputs/outputs (B side)
19
OE
Output enable input
(active-Low)
10
GND
Ground (0V)
20
V
CC
Positive supply voltage
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| 74ABT240PWDH | Octal inverting buffer 3-State |
| 74ABT240 | Octal inverting buffer 3-State |
| 74ABT240 | Octal Buffer/Line Driver with 3-STATE Outputs |
| 74ABT240CMSA | Octal Buffer/Line Driver with 3-STATE Outputs |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74ABT2245PW | 功能描述:總線收發(fā)器 OCTAL XCVR W/ 30 OHM RESISTOR 3STATE RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74ABT2245PW,112 | 功能描述:總線收發(fā)器 OCTAL XCVR W/ 30 OHM RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74ABT2245PW,118 | 功能描述:總線收發(fā)器 OCT XCVR 3-S W 30 OHM RES RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74ABT2245PWDH | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Octal transceiver with direction pin and 30W series termination resistors (3-State) |
| 74ABT2245PW-T | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Single 8-bit Bus Transceiver |
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