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參數(shù)資料
| 型號： | SN74LVCC4245 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Octal Bus Transceivers With 3-State Outputs(八總線接收傳送器(可調(diào)輸出電壓,三態(tài)輸出)) |
| 中文描述： | 八路總線收發(fā)器與三態(tài)輸出（八總線接收傳送器（可調(diào)輸出電壓，三態(tài)輸出）） |
| 文件頁數(shù)： | 6/8頁 |
| 文件大小： | 173K |
| 代理商： | SN74LVCC4245 |
SN74LVCC4245
OCTAL BUS TRANSCEIVER WITH ADJUSTABLE OUTPUT VOLTAGE
AND 3-STATE OUTPUTS
SCAS584A – NOVEMBER 1996 – REVISED JANUARY 1997
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION FOR B PORT (SEE NOTE E)
From Output
Under Test
CL = 50 pF
(see Note A)
LOAD CIRCUIT
S1
2
×
VCC
Open
GND
500
500
VCC
0 V
tw
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
NONINVERTING OUTPUTS
VOLTAGE WAVEFORMS
PULSE DURATION
tPLH
tPHL
VOH
VOL
Output
Control
Output
Waveform 1
S1 at 2
×
VCC
(see Note B)
Output
Waveform 2
S1 at Open
(see Note B)
VOL
VOH
tPZL
tPZH
tPLZ
tPHZ
1.5 V
1.5 V
VCC
0 V
VOL + 0.3 V
VOH – 0.3 V
0 V
3 V
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
LOW- AND HIGH-LEVEL ENABLING
B-Port
Output
tPLH/tPHL
tPLZ/tPZL
tPHZ/tPZH
Open
2
×
VCC
Open
TEST
S1
NOTES: A. CL includes probe and jig capacitance.
B. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control.
C. All input pulses are supplied by generators having the following characteristics: PRR
≤
10 MHz, ZO = 50
, tr
≤
2.5 ns, tf
≤
2.5 ns.
D. The outputs are measured one at a time with one transition per measurement.
E. This is to test the B port, with VCCA = 5.5 V and VCCB = 5.5 V.
50% VCC
50% VCC
B-Port
Input
VCC
0 V
1.5 V
Input
50% VCC
50% VCC
50% VCC
1.5 V
50% VCC
Figure 1. Load Circuit and Voltage Waveforms
P
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN74LVCC4245ADBR | 功能描述:轉(zhuǎn)換 - 電壓電平 Tri-State Octal Bus RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8 |
| SN74LVCC4245ADBRE4 | 功能描述:轉(zhuǎn)換 - 電壓電平 Tri-State Octal Bus RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8 |
| SN74LVCC4245ADBRG4 | 功能描述:轉(zhuǎn)換 - 電壓電平 Octal Bus Transceivr RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8 |
| SN74LVCC4245ADW | 功能描述:轉(zhuǎn)換 - 電壓電平 Tri-State Octal Bus RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8 |
| SN74LVCC4245ADWE4 | 功能描述:轉(zhuǎn)換 - 電壓電平 16-BIT FET BUS SWITCH RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8 |
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