參數(shù)資料
型號(hào)： SN74BCT646DWR
廠商： TEXAS INSTRUMENTS INC
元件分類： 總線收發(fā)器
英文描述： BCT/FBT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24
封裝： GREEN, PLASTIC, SOIC-24
文件頁(yè)數(shù)： 12/15頁(yè)
文件大小： 358K
代理商： SN74BCT646DWR
SN54BCT646, SN74BCT646
OCTAL BUS TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCBS037D AUGUST 1989 REVISED MAY 2004
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54BCT646
SN74BCT646
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
VIK
VCC = 4.5 V,
II = 18 mA
1.2
V
IOH = 3 mA
2.4
3.3
2.4
3.3
VOH
VCC = 4.5 V
IOH = 12 mA
2
3.2
V
VOH
VCC
4.5 V
IOH = 15 mA
2
3.1
V
45V
IOL = 48 mA
0.38
0.55
V
VOL
VCC = 4.5 V
IOL = 64 mA
0.42
0.55
V
I
A or B port
V
55V
V
55V
1
mA
II
Control inputs
VCC = 5.5 V,
VI = 5.5 V
1
mA
I
A or B port
V
55V
V
27V
70
A
IIH
Control inputs
VCC = 5.5 V,
VI = 2.7 V
20
μA
I
A or B port
V
55V
V
05V
0.7
mA
IIL
Control inputs
VCC = 5.5 V,
VI = 0.5 V
0.7
mA
IOS§
VCC = 5.5 V,
VO = 0
100
225
100
225
mA
ICCL
A or B port
VCC = 5.5 V,
VI = GND
42
67
42
67
mA
ICCH
A or B port
VCC = 5.5 V,
VI = 4.5 V
5.6
9
5.6
9
mA
ICCZ
A or B port
VCC = 5.5 V,
VI = GND
10
16
10
16
mA
Ci
Control inputs
VCC = 5 V,
VI = 2.5 V or 0.5 V
6
pF
Cio
A or B port
VCC = 5 V,
VO = 2.5 V or 0.5 V
12
14
pF
All typical values are at VCC = 5 V, TA = 25°C.
For I/O ports, the parameters IIH and IIL include the off-state output current.
§ Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted)
VCC = 5 V,
TA = 25°C
SN54BCT646
SN7BCT646
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
UNIT
fclock
Clock frequency
83
MHz
tw
Pulse duration, CLK high or low
6
ns
tsu
Setup time, A or B before CLKAB
↑ or CLKBA↑
6
7
6
ns
th
Hold time, A or B after CLKAB
↑ or CLKBA↑
0.5
ns
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SN74BCT646DWRE4 功能描述:總線收發(fā)器 Octal Bus Transcvr and Reg 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
SN74BCT646DWRG4 功能描述:總線收發(fā)器 Octal Bus Transceivr And Registers 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
SN74BCT646NT 功能描述:總線收發(fā)器 Octal Bus Transcvr and Reg 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
SN74BCT646NTE4 功能描述:總線收發(fā)器 Octal Bus Transcvr and Reg 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
SN74BCT648DW 制造商:Rochester Electronics LLC 功能描述:- Bulk
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