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| 型号： | SN74ABT18640DGGR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | ABT SERIES, DUAL 9-BIT BOUNDARY SCAN TRANSCEIVER, INVERTED OUTPUT, PDSO56 |
| 封装： | GREEN, PLASTIC, TSSOP-56 |
| 文件页数： | 19/32页 |
| 文件大小： | 638K |
| 代理商： | SN74ABT18640DGGR |
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SN54ABT18640, SN74ABT18640
SCAN TEST DEVICES
WITH 18-BIT INVERTING BUS TRANSCEIVERS
SCBS267C – FEBRUARY 1994 – REVISED JULY 1996
26
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
1.5 V
th
tsu
From Output
Under Test
CL = 50 pF
(see Note A)
LOAD CIRCUIT
S1
7 V
Open
GND
500
500
Data Input
Timing Input
1.5 V
3 V
0 V
1.5 V
3 V
0 V
3 V
0 V
1.5 V
tw
Input
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
INVERTING AND NONINVERTING OUTPUTS
VOLTAGE WAVEFORMS
PULSE DURATION
tPLH
tPHL
tPLH
VOH
VOL
1.5 V
3 V
0 V
1.5 V
Input
1.5 V
Output
Control
Output
Waveform 1
S1 at 7 V
(see Note B)
Output
Waveform 2
S1 at Open
(see Note B)
VOL
VOH
tPZL
tPZH
tPLZ
tPHZ
1.5 V
3.5 V
0 V
1.5 V
VOL + 0.3 V
1.5 V
VOH – 0.3 V
[ 0 V
3 V
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
LOW- AND HIGH-LEVEL ENABLING
Output
tPLH/tPHL
tPLZ/tPZL
tPHZ/tPZH
Open
7 V
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.
Figure 14. Load Circuit and Voltage Waveforms
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SN74ABT18640DL | 功能描述:特定功能逻辑 Device w/18-Bit Inv Bus Transceiver RoHS:否 制造商:Texas Instruments 产品: 系列:SN74ABTH18502A 工作电源电压:5 V 封装 / 箱体:LQFP-64 封装:Tube |
| SN74ABT18640DLG4 | 功能描述:特定功能逻辑 Device w/18-Bit Inv Bus Transceiver RoHS:否 制造商:Texas Instruments 产品: 系列:SN74ABTH18502A 工作电源电压:5 V 封装 / 箱体:LQFP-64 封装:Tube |
| SN74ABT18640DLR | 功能描述:特定功能逻辑 Device w/18-Bit Inv Bus Transceiver RoHS:否 制造商:Texas Instruments 产品: 系列:SN74ABTH18502A 工作电源电压:5 V 封装 / 箱体:LQFP-64 封装:Tube |
| SN74ABT18640DLRG4 | 功能描述:特定功能逻辑 Device w/18-Bit Inv Bus Transceiver RoHS:否 制造商:Texas Instruments 产品: 系列:SN74ABTH18502A 工作电源电压:5 V 封装 / 箱体:LQFP-64 封装:Tube |
| SN74ABT18646 | 制造商:TI 制造商全称:Texas Instruments 功能描述:WITH 18-BIT TRANSCEIVER AND REGISTER |
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