參數(shù)資料
型號: 74LVT245MTCX
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 通用總線功能
英文描述: Low Voltage Octal Bidirectional Transceiver with 3-STATE Inputs/Outputs
中文描述: LVT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20
封裝: 4.40 MM, MO-153, TSSOP-20
文件頁數(shù): 5/10頁
文件大?。?/td> 92K
代理商: 74LVT245MTCX
Philips Semiconductors
Product specification
74LVT245
3.3V Octal transceiver with direction pin (3-State)
1998 Feb 19
5
AC CHARACTERISTICS
GND = 0V; t
R
= t
F
= 2.5ns; C
L
= 50pF; R
L
= 500
; T
amb
= –40
°
C to +85
°
C.
LIMITS
SYMBOL
PARAMETER
WAVEFORM
V
CC
= 3.3V +0.3V
V
CC
= 2.7V
UNIT
MIN
TYP
1
MAX
MAX
t
PLH
t
PHL
Propagation delay
An to Bn or Bn to An
1
1.0
1.0
2.4
2.4
4.0
4.0
4.7
4.6
ns
t
PZH
t
PZL
Output enable time
to High and Low level
2
1.1
1.5
3.3
3.2
5.5
5.5
7.1
6.5
ns
t
PHZ
t
PLZ
Output disable time
from High and Low Level
2
2.2
2.0
3.6
3.4
5.9
4.8
6.5
4.8
ns
NOTES:
1. All typical values are at V
CC
= 3.3V and T
amb
= 25
°
C.
AC WAVEFORMS
V
M
= 1.5V, V
IN
= GND to 2.7V
An or Bn
INPUT
V
M
V
M
Bn or An
OUTPUT
V
M
V
M
t
PHL
t
PLH
SA00192
Waveform 1. Input (An or Bn) to Output (Bn or An) Propagation
Delays
OE INPUT
t
PZH
t
PHZ
Bn or An
OUTPUT
V
OH
V
OH
– 0.3V
An or Bn
OUTPUT
V
OL
t
PZL
t
PLZ
3.0V
0V
V
OL
+ 0.3V
2.7V
1.5V
1.5V
1.5V
1.5V
0V
SV00106
Waveform 2. 3-State Output Enable and Disable Times
相關(guān)PDF資料
PDF描述
74LVT245SJX Low Voltage Octal Bidirectional Transceiver with 3-STATE Inputs/Outputs
74LVT245 Octal Buffers And Line Drivers With 3-State Outputs 20-TSSOP -40 to 85
74LVT245MSA Low Voltage Octal Bidirectional Transceiver with 3-STATE Inputs/Outputs
74LVT245MTC Octal Buffers And Line Drivers With 3-State Outputs 20-TSSOP -40 to 85
74LVT245SJ Octal Buffers And Line Drivers With 3-State Outputs 20-TSSOP -40 to 85
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