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| 型号： | SN74LVCC4245 |
| 厂商： | Texas Instruments, Inc. |
| 英文描述： | Octal Bus Transceivers With 3-State Outputs(八总线接收传送器(可调输出电压,三态输出)) |
| 中文描述： | 八路总线收发器与三态输出（八总线接收传送器（可调输出电压，三态输出）） |
| 文件页数： | 6/8页 |
| 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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相关代理商/技术参数 |
参数描述 |
|---|---|
| SN74LVCC4245ADBR | 功能描述:转换 - 电压电平 Tri-State Octal Bus RoHS:否 制造商:Micrel 类型:CML/LVDS/LVPECL to LVCMOS/LVTTL 传播延迟时间:1.9 ns 电源电流:14 mA 电源电压-最大:3.6 V 电源电压-最小:3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MLF-8 |
| SN74LVCC4245ADBRE4 | 功能描述:转换 - 电压电平 Tri-State Octal Bus RoHS:否 制造商:Micrel 类型:CML/LVDS/LVPECL to LVCMOS/LVTTL 传播延迟时间:1.9 ns 电源电流:14 mA 电源电压-最大:3.6 V 电源电压-最小:3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MLF-8 |
| SN74LVCC4245ADBRG4 | 功能描述:转换 - 电压电平 Octal Bus Transceivr RoHS:否 制造商:Micrel 类型:CML/LVDS/LVPECL to LVCMOS/LVTTL 传播延迟时间:1.9 ns 电源电流:14 mA 电源电压-最大:3.6 V 电源电压-最小:3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MLF-8 |
| SN74LVCC4245ADW | 功能描述:转换 - 电压电平 Tri-State Octal Bus RoHS:否 制造商:Micrel 类型:CML/LVDS/LVPECL to LVCMOS/LVTTL 传播延迟时间:1.9 ns 电源电流:14 mA 电源电压-最大:3.6 V 电源电压-最小:3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MLF-8 |
| SN74LVCC4245ADWE4 | 功能描述:转换 - 电压电平 16-BIT FET BUS SWITCH RoHS:否 制造商:Micrel 类型:CML/LVDS/LVPECL to LVCMOS/LVTTL 传播延迟时间:1.9 ns 电源电流:14 mA 电源电压-最大:3.6 V 电源电压-最小:3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MLF-8 |
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