參數(shù)資料
型號: 933756730623
廠商: NXP SEMICONDUCTORS
元件分類: 編、解碼器及復(fù)用、解復(fù)用
英文描述: F/FAST SERIES, DUAL 4 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16
封裝: 3.90 MM, PLASTIC, MS-012AC, SOT-109-1, SO-16
文件頁數(shù): 8/10頁
文件大小: 80K
代理商: 933756730623
Philips Semiconductors
Product specification
74F253
Dual 4-input multiplexer (3-State)
1988 Nov 29
7
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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