參數(shù)資料
型號(hào): SN54AHC27
廠商: Texas Instruments, Inc.
英文描述: Triple 3-Input Positive-NOR Gates(三3輸入正或非門)
中文描述: 三3輸入正和或非門(三3輸入正或非門)
文件頁數(shù): 5/6頁
文件大小: 132K
代理商: SN54AHC27
SN54AHC27, SN74AHC27
TRIPLE 3-INPUT POSITIVE-NOR GATES
SCLS363 – MAY 1997
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
LOAD CIRCUIT
tPLH
tPHL
tPHL
tPLH
VOH
VOH
VOL
VOL
VCC
0 V
Input
(see Note B)
Out-of-Phase
Output
In-Phase
Output
VOLTAGE WAVEFORMS
DELAY TIMES
Test
Point
CL
(see Note A)
From Output
Under Test
50% VCC
50% VCC
50% VCC
NOTES: A. CL includes probe and jig capacitance.
B. Input pulses are supplied by generators having the following characteristics: PRR
1 MHz, ZO = 50
, tr = 3 ns, tf = 3 ns.
C. The outputs are measured one at a time with one input transition per measurement.
50% VCC
50% VCC
50% VCC
Figure 1. Load Circuit and Voltage Waveforms
P
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