參數(shù)資料
型號: SN74AHC16245
廠商: Texas Instruments, Inc.
英文描述: 16-Bit Bus Transceivers With 3-State Outputs(16位緩沖器/驅(qū)動器(三態(tài)輸出))
中文描述: 16日與3位總線收發(fā)器態(tài)輸出(16位緩沖器/驅(qū)動器(三態(tài)輸出))
文件頁數(shù): 6/7頁
文件大?。?/td> 165K
代理商: SN74AHC16245
SN54AHC16245, SN74AHC16245
16-BIT BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCLS328B – MARCH 1996 – REVISED JUNE 1997
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
tPLH
tPHL
tPHL
tPLH
VOH
VOH
VOL
VOL
VCC
0 V
Input
Out-of-Phase
Output
In-Phase
Output
VOLTAGE WAVEFORMS
DELAY TIMES
From Output
Under Test
CL
(see Note A)
S1
VCC
Output Control
(low-level
enabling)
Output
Waveform 1
S1 at VCC
(see Note B)
Output
Waveform 2
S1 at GND
(see Note B)
VOL
VOH
tPZL
tPZH
tPLZ
tPHZ
VCC
0 V
0 V
VCC
Open
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
tPLH/tPHL
tPLZ/tPZL
tPHZ/tPZH
Open
VCC
GND
TEST
S1
VOL +
0.3 V
1 k
GND
LOAD CIRCUIT
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
1 MHz, ZO = 50
, tr = 3 ns, tf = 3 ns.
D. The outputs are measured one at a time with one input transition per measurement.
50% VCC
50% VCC
50% VCC
50% VCC
50% VCC
50% VCC
VOH –
0.3 V
50% VCC
50% VCC
50% VCC
50% VCC
Figure 1. Load Circuit and Voltage Waveforms
P
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