參數資料
型號: 74LVTH16244
廠商: Fairchild Semiconductor Corporation
英文描述: Octal Bus Transceivers With 3-State Outputs 20-PDIP -40 to 85
中文描述: 低Voltage16位緩沖器/線路驅動器的3態(tài)輸出
文件頁數: 8/19頁
文件大小: 495K
代理商: 74LVTH16244
www.ti.com
PARAMETER MEASUREMENT INFORMATION
t
h
t
su
From Output
Under Test
C
L
= 50 pF
(see Note A)
LOAD CIRCUIT
S1
6 V
GND
500
500
Data Input
Timing Input
2.7 V
0 V
2.7 V
0 V
2.7 V
0 V
t
w
Input
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
INVERTING AND NONINVERTING OUTPUTS
VOLTAGE WAVEFORMS
PULSE DURATION
t
PLH
t
PHL
t
PHL
t
PLH
V
OH
V
OH
V
OL
V
OL
2.7 V
0 V
Input
Output
Control
Output
Waveform 1
S1 at 6 V
(see Note B)
Output
Waveform 2
S1 at GND
(see Note B)
V
OL
V
OH
t
PZL
t
PZH
t
PLZ
t
PHZ
3 V
0 V
V
OL
+ 0.3 V
V
OH
0.3 V
0 V
2.7 V
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
LOW- AND HIGH-LEVEL ENABLING
Output
Output
t
PLH
/t
PHL
t
PLZ
/t
PZL
t
PHZ
/t
PZH
Open
6 V
GND
TEST
S1
NOTES: A. C
L
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.
Waveform2 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, Z
O
= 50
, t
r
2.5 ns, t
f
2.5 ns.
D. The outputs are measured one at a time, with one transition per measurement.
Open
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
SN54LVTH16244A, SN74LVTH16244A
3.3-V ABT 16-BIT BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCBS142Q–MAY 1992–REVISED OCTOBER 2005
Figure 1. Load Circuit and Voltage Waveforms
8
相關PDF資料
PDF描述
74LVTH16244MEA Octal Bus Transceivers With 3-State Outputs 20-SO -40 to 85
74LVTH16244MTD Low Voltage16-Bit Buffer/Line Driver with 3-STATE Outputs
74LVTH16245AZQLR 3.3-V ABT 16-BIT BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
74LVTH16245 Low Voltage 16-Bit Transceiver with 3-STATE Outputs
74LVTH16245GX Low Voltage 16-Bit Transceiver with 3-STATE Outputs
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