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參數(shù)資料
| 型號： | 935064910112 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | ABT SERIES, OCTAL 1-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | 5.30MM, PLASTIC, MS-150, SOT-339-1, SSOP2-20 |
| 文件頁數(shù)： | 2/9頁 |
| 文件大?。?/td> | 112K |
| 代理商： | 935064910112 |
Philips Semiconductors
Product data
74ABT245
Octal transceiver with direction pin (3-State)
2
2003 Feb 06
FEATURES
Octal bidirectional bus interface
3-State buffers
Output capability: +64 mA/–32 mA
Latch-up protection exceeds 500 mA 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
Inputs are disabled during 3-State mode
DESCRIPTION
The 74ABT245 high-performance BiCMOS device combines low
static and dynamic power dissipation with high speed and high
output drive.
The 74ABT245 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.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
Tamb = 25 °C; GND = 0 V
TYPICAL
UNIT
tPLH
tPHL
Propagation delay
An to Bn or Bn to An
CL = 50 pF; VCC = 5 V
2.2
2.9
ns
CIN
Input capacitance DIR, OE
VI = 0 V or VCC
4
pF
CI/O
I/O pin capacitance
Outputs disabled; VO = 0 V or VCC
7
pF
ICCZ
Total supply current
Outputs disabled; VCC =5.5 V
50
A
ORDERING INFORMATION
PACKAGES
TEMPERATURE RANGE
PART NUMBER
DWG NUMBER
20-Pin plastic SO
–40
°C to +85 °C
74ABT245D
SOT163-1
20-Pin Plastic SSOP Type II
–40
°C to +85 °C
74ABT245DB
SOT339-1
20-Pin Plastic TSSOP Type I
–40
°C to +85 °C
74ABT245PW
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
VCC
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 (0 V)
20
VCC
Positive supply voltage
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