參數(shù)資料
型號(hào): CD74ACT245SM
廠商: Texas Instruments, Inc.
元件分類: 通用總線功能
英文描述: Octal-Bus Transceiver, Three-State, Non-Inverting
中文描述: 八路總線收發(fā)器,三態(tài),非反相
文件頁(yè)數(shù): 7/8頁(yè)
文件大?。?/td> 38K
代理商: CD74ACT245SM
7
NOTE:
14. For AC Series only: When V
CC
= 1.5V, R
L
= 1k
.
FIGURE 2. THREE-STATE PROPAGATION DELAY TIMES AND TEST CIRCUIT
FIGURE 3. PROPAGATION DELAY TIMES
DUT WITH
THREE-
STATE
OUTPUT
OTHER
INPUTS
TIED HIGH
OR LOW
OUTPUT
DISABLE
GND (t
PHZ
, t
PZH
)
OPEN (t
PHL
, t
PLH
)
2 V
CC
(t
PLZ
, t
PZL
)
(OPEN DRAIN)
OUT
R
L
500
(NOTE 14)
C
L
50pF
R
L
500
INPUT LEVEL
90%
V
S
10%
GND
t
r
= 3ns
t
PZL
0.2 V
CC
V
OL
(
V
CC
)
0.8 V
CC
V
S
OUTPUTS
ENABLED
OUTPUTS
DISABLED
V
S
OUTPUTS
ENABLED
t
PLZ
t
PHZ
t
PZH
OUTPUTS
DISABLED
t
f
= 3ns
OUTPUT:
LOW TO OFF
TO LOW
OUTPUT:
HIGH TO OFF
TO HIGH
t
r
= 3ns
INPUT
LEVEL
An
GND
Bn
t
PLH
t
f
= 3ns
90%
V
S
10%
V
S
t
PHL
DUT
OUTPUT
R
L
(NOTE)
500
OUTPUT
LOAD
C
L
50pF
NOTE: For AC Series Only: When V
CC
= 1.5V, R
L
= 1k
.
FIGURE 4. PROPAGATION DELAY TIMES
CD74AC
CD74ACT
Input Level
V
CC
3V
Input Switching Voltage, V
S
0.5 V
CC
1.5V
Output Switching Voltage, V
S
0.5 V
CC
0.5 V
CC
CD74AC245, CD74ACT245
相關(guān)PDF資料
PDF描述
CD74AC245SM Octal-Bus Transceiver, Three-State, Non-Inverting
CD74ACT251 8-Input Multiplexer, Three-State
CD74ACT251E 8-Input Multiplexer, Three-State
CD74ACT251M 8-Input Multiplexer, Three-State
CD74AC251E 8-Input Multiplexer, Three-State
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CD74ACT245SM96 功能描述:總線收發(fā)器 Octal Non-Inv Bus Trncvr W/3-St Otpt 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
CD74ACT245SM96E4 功能描述:總線收發(fā)器 Octal Non-Inv Bus Trncvr W/3-St Otpt 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
CD74ACT245SM96G4 功能描述:總線收發(fā)器 Octal Non-Inverting 總線收發(fā)器 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
CD74ACT251 制造商:TI 制造商全稱:Texas Instruments 功能描述:8-Input Multiplexer, Three-State
CD74ACT251E 制造商:TI 制造商全稱:Texas Instruments 功能描述:8-Input Multiplexer, Three-State