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參數(shù)資料
| 型號： | 935176480112 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | ABT SERIES, OCTAL 1-BIT TRANSCEIVER, INVERTED OUTPUT, PDSO20 |
| 封裝： | PLASTIC, TSSOP-20 |
| 文件頁數(shù)： | 4/11頁 |
| 文件大?。?/td> | 47K |
| 代理商： | 935176480112 |
Philips Semiconductors
Product specification
74ABT620
Octal transceiver with dual enable, inverting
(3-State)
2
1993 Jun 21
853–1611 10081
FEATURES
Octal bidirectional bus interface
3-State buffers
Power-up 3-State
Live insertion/extraction permitted
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
DESCRIPTION
The 74ABT620 high-performance BiCMOS device combines low
static and dynamic power dissipation with high speed and high
output drive.
The 74ABT620 device is an octal transceiver featuring inverting
3-State bus compatible outputs in both send and receive directions.
The 74ABT620 is designed for asynchronous two-way
communication between data buses. The control function
implementation allows for maximum flexibility in timing. This device
allows data transmission from the A bus to the B bus or from the B
bus to the A bus, depending upon the logic levels at the Enable
inputs (OEBA and OEAB). The Enable inputs can be used to disable
the device so that the buses are effectively isolated.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
Tamb = 25°C; GND = 0V
TYPICAL
UNIT
tPLH
tPHL
Propagation delay
An to Bn or Bn to An
CL = 50pF; VCC = 5V
3.1
ns
CIN
Input capacitance
OEAB, OEBA
VI = 0V or VCC
4
pF
CI/O
I/O 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
74ABT620 N
SOT146-1
20-Pin plastic SO
–40
°C to +85°C
74ABT620 D
SOT163-1
20-Pin Plastic SSOP Type II
–40
°C to +85°C
74ABT620 DB
SOT339-1
20-Pin Plastic TSSOP Type I
–40
°C to +85°C
74ABT620 PW
74ABT620PW 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
OEAB
A0
A1
A2
A3
A4
A5
A6
A7
GND
VCC
OEBA
B0
B1
B2
B3
B4
B5
B6
B7
SA00189
PIN DESCRIPTION
PIN NUMBER
SYMBOL
NAME AND FUNCTION
1
OEAB
Output enable input, A side to B side
(active-High)
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
OEBA
Output enable input, B side to A side
(active-Low)
10
GND
Ground (0V)
20
VCC
Positive supply voltage
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