參數(shù)資料
型號(hào): SN74GTLPH16945VR
廠商: Texas Instruments, Inc.
英文描述: 16-BIT LVTTL-TO-GTLP BUS TRANSCEIVER
中文描述: 16位LVTTL至GTLP總線收發(fā)器
文件頁數(shù): 8/13頁
文件大?。?/td> 212K
代理商: SN74GTLPH16945VR
SN74GTLPH16945
16-BIT LVTTL-TO-GTLP BUS TRANSCEIVER
SCES292D
OCTOBER 1999
REVISED NOVEMBER 2001
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
From Output
Under Test
CL = 50 pF
(see Note A)
LOAD CIRCUIT FOR A OUTPUTS
S1
Open
GND
500
500
TEST
tPLH/tPHL
tPLZ/tPZL
tPHZ/tPZH
S1
Open
6 V
GND
tPLH
tPHL
Output
Control
Output
Waveform 1
S1 at 6 V
(see Note B)
Output
Waveform 2
S1 at GND
(see Note B)
VOL
VOH
tPZL
tPZH
tPLZ
tPHZ
3 V
0 V
VOH
VOL
0 V
VOL + 0.3 V
VOH
0.3 V
0 V
Input
3 V
3 V
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
(A port to B port)
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
(A port)
Output
1.5 V
Test
Point
CL = 30 pF
(see Note A)
From Output
Under Test
25
LOAD CIRCUIT FOR B OUTPUTS
0 V
VOH
VOL
Input
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
(B port to A port)
Output
1.5 V
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 ns, tf
2 ns.
D. The outputs are measured one at a time with one transition per measurement.
6 V
tPLH
tPHL
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1 V
1 V
1 V
1 V
Figure 1. Load Circuits and Voltage Waveforms
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