參數(shù)資料
型號(hào): SN74LVT16615
廠商: Texas Instruments, Inc.
英文描述: 17-Bit GTL/LVT Universal Bus Transceivers With 3-State Outputs(17位GTL/LVT通用總線收發(fā)器帶緩沖時(shí)鐘輸出)
中文描述: 17位的GTL /小型終端通用總線收發(fā)器與三態(tài)輸出(17位的GTL /小型終端通用總線收發(fā)器帶緩沖時(shí)鐘輸出)
文件頁(yè)數(shù): 8/9頁(yè)
文件大?。?/td> 187K
代理商: SN74LVT16615
SN74LVT16615
17-BIT GTL/LVT UNIVERSAL BUS TRANSCEIVER
WITH BUFFERED CLOCK OUTPUTS
SCBS264 – MARCH 1993
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
14–8
PARAMETER MEASUREMENT INFORMATION
th
tsu
From Output
Under Test
CL = 50 pF
(see Note A)
LOAD CIRCUIT FOR A OUTPUTS
S1
6 V
Open
GND
500
500
TEST
tPLH/tPHL
tPLZ/tPZL
tPHZ/tPZH
S1
Open
6 V
GND
tPLH
tPHL
Output
Control
(see Note B)
Output
Waveform 1
S1 at 6 V
(see Note C)
Output
Waveform 2
(see Note C)
VOL
VOH
tPZL
tPZH
tPLZ
tPHZ
1.5 V
1.5 V
1.5 V
1.5 V
3 V
0 V
0.8 V
0.8 V
VOH
VOL
0 V
1.5 V
VOL + 0.3 V
1.5 V
VOH – 0.3 V
0 V
Vm V
3 V
0 V
Vm V
Vm V
0 V
3 V
0 V
Vm V
Vm V
tw
Input
(see Note B)
3 V
3 V
3 V
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
(Vm = 1.5 V for A port and 0.8 V for B port)
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
(A port to B port)
VOLTAGE WAVEFORMS
PULSE DURATION
(Vm = 1.5 V for A port and 0.8 V for B port)
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
(A port)
Timing
Input
Data
Input
Output
Input
1.2 V
Test
Point
CL = 30 pF
(see Note A)
From Output
Under Test
25
LOAD CIRCUIT FOR B OUTPUTS
tPLH
tPHL
0.8 V
0.8 V
0 V
1.5 V
1.5 V
VOH
VOL
Input
(see Note B)
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
(B port to A port)
Output
1.2 V
NOTES: A. CL includes probe and jig capacitance.
B. All input pulses are supplied by generators having the following characteristics: PRR
10 MHz, ZO = 50
, tr
2.5 ns, tf
2.5 ns.
C. 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.
D. The outputs are measured one at a time with one transition per measurement.
Figure 1. Load Circuit and Voltage Waveforms
P
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