參數(shù)資料
型號: 933893140602
廠商: NXP SEMICONDUCTORS
元件分類: 總線收發(fā)器
英文描述: F/FAST SERIES, 10 1-BIT DRIVER, INVERTED OUTPUT, PDSO24
封裝: PLASTIC, SO-24
文件頁數(shù): 7/18頁
文件大?。?/td> 152K
代理商: 933893140602
Philips Semiconductors
Product specification
74F841/74F842/74F843/
74F845/74F846
Bus interface latches
1999 Jun 23
15
TEST CIRCUIT AND WAVEFORMS
tw
90%
VM
10%
90%
VM
10%
90%
VM
10%
90%
VM
10%
NEGATIVE
PULSE
POSITIVE
PULSE
tw
AMP (V)
0V
tTHL (tf )
INPUT PULSE REQUIREMENTS
rep. rate
tw
tTLH
tTHL
1MHz
500ns
2.5ns
Input Pulse Definition
VCC
family
74F
D.U.T.
PULSE
GENERATOR
RL
CL
RT
VIN
VOUT
Test Circuit for 3-State Outputs
DEFINITIONS:
RL = Load resistor;
see AC electrical characteristics for value.
CL = Load capacitance includes jig and probe capacitance;
see AC electrical characteristics for value.
RT = Termination resistance should be equal to ZOUT of
pulse generators.
tTHL (tf )
tTLH (tr )
AMP (V)
amplitude
3.0V
1.5V
VM
RL
7.0V
SF00777
TEST
SWITCH
tPLZ
closed
tPZL
closed
All other
open
SWITCH POSITION
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