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| 型号： | SN74ALS29854NTE4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | ALS SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDIP24 |
| 封装： | 0.300 INCH, PLASTIC, DIP-24 |
| 文件页数： | 6/9页 |
| 文件大小： | 215K |
| 代理商： | SN74ALS29854NTE4 |
SN74ALS29854
8-BIT TO 9-BIT PARITY BUS TRANSCEIVER
SDAS118C – FEBRUARY 1987 – REVISED JANUARY 1995
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
LOAD CIRCUIT 1
ALL OUTPUTS EXCEPT FOR ERROR FLAG
R1
1 k
All Diodes
1N916 or 1N3064
From Output
Under Test
Test Point
S2
CL
(see Note A)
RL = 180
1.5 V
3 V
0
th
tsu
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
Timing Input
Data Input
1.5 V
3 V
0
High-Level
Pulse
Low-Level
Pulse
tw
VOLTAGE WAVEFORMS
PULSE DURATIONS
1.5 V
tPHL
tPLH
tPHL
Out-of-Phase
Output
1.5 V
3 V
0
VOL
VOH
VOL
In-Phase
Output
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
tPHZ
tPLZ
0.5 V
tPZL
tPZH
1.5 V
3 V
0
Output
Control
Waveform 1
(see Note B)
Waveform 2
(see Note B)
≈ 0
VOH
VOL
≈ 1.5 V
0.5 V
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES, 3-STATE OUTPUTS
VCC
S1
SWITCH POSITION TABLE
TEST
S1
S2
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Closed
Open
Closed
Open
Closed
≈ 4.5 V
≈ 1.5 V
Input
VCC
Test
Point
From Output
Under Test
CL
(see Note A)
LOAD CIRCUIT 2
ERROR-FLAG OUTPUT
180
510
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.
Figure 1. Load Circuits and Voltage Waveforms
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| SN74ALS29863DWE4 | 功能描述:总线收发器 9-Bit Bus Trnscvrs With 3-State Outputs 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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