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参数资料
| 型号： | SN74ALVCH16245DGG |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | ALVC/VCX/A SERIES, DUAL 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO48 |
| 封装： | tssop-48 |
| 文件页数： | 6/8页 |
| 文件大小： | 131K |
| 代理商： | SN74ALVCH16245DGG |
SN74ALVCH16245
16-BIT BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCES015F – JULY 1995 – REVISED FEBRUARY 1999
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
VCC = 2.5 V ± 0.2 V
VCC/2
VOH
VOL
th
tsu
From Output
Under Test
CL = 30 pF
(see Note A)
LOAD CIRCUIT
S1
Open
GND
500
500
Output
Control
(low-level
enabling)
Output
Waveform 1
S1 at 2
× VCC
(see Note B)
Output
Waveform 2
S1 at GND
(see Note B)
tPZL
tPZH
tPLZ
tPHZ
0 V
VOL + 0.15 V
VOH – 0.15 V
0 V
VCC
0 V
tw
VCC
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
VOLTAGE WAVEFORMS
PULSE DURATION
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
Timing
Input
Data
Input
tpd
tPLZ/tPZL
tPHZ/tPZH
Open
2
× VCC
GND
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
v10 MHz, ZO = 50 , trv2 ns, tfv2 ns.
D. The outputs are measured one at a time with one transition per measurement.
E. tPLZ and tPHZ are the same as tdis.
F. tPZL and tPZH are the same as ten.
G. tPLH and tPHL are the same as tpd.
0 V
VCC
VCC/2
tPHL
VCC/2
VCC
0 V
VOH
VOL
Input
Output
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
VCC/2
tPLH
2
× VCC
VCC
Figure 2. Load Circuit and Voltage Waveforms
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相关代理商/技术参数 |
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| SN74ALVCH16245DGGRG4 | 制造商:Texas Instruments 功能描述: |
| SN74ALVCH16245DGVR | 功能描述:总线收发器 Tri-State 16-Bit Bus RoHS:否 制造商:Fairchild Semiconductor 逻辑类型:CMOS 逻辑系列:74VCX 每芯片的通道数量:16 输入电平:CMOS 输出电平:CMOS 输出类型:3-State 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:6.2 ns 电源电压-最大:2.7 V, 3.6 V 电源电压-最小:1.65 V, 2.3 V 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-48 封装:Reel |
| SN74ALVCH16245DL | 功能描述:总线收发器 Tri-State 16-Bit Bus RoHS:否 制造商:Fairchild Semiconductor 逻辑类型:CMOS 逻辑系列:74VCX 每芯片的通道数量:16 输入电平:CMOS 输出电平:CMOS 输出类型:3-State 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:6.2 ns 电源电压-最大:2.7 V, 3.6 V 电源电压-最小:1.65 V, 2.3 V 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-48 封装:Reel |
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