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74F670 Datasheet(PDF) 8 Page - NXP Semiconductors

Part # 74F670
Description  4 x 4 register file 3-State
PDF  12 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74F670 Datasheet(HTML) 8 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
74F670
4 x 4 register file (3-State)
1990 Jul 12
8
TEST CIRCUIT AND WAVEFORM
tw
90%
VM
10%
90%
VM
10%
90%
VM
10%
90%
VM
10%
NEGATIVE
PULSE
POSITIVE
PULSE
tw
AMP (V)
0V
0V
tTHL (tf )
INPUT PULSE REQUIREMENTS
rep. rate
tw
tTLH
tTHL
1MHz
500ns
2.5ns
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 )
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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