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74F544SC Datasheet(PDF) 5 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # 74F544SC
Description  Octal Registered Transceiver
PDF  10 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

74F544SC Datasheet(HTML) 5 Page - National Semiconductor (TI)

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DC Electrical Characteristics (Continued)
Symbol
Parameter
54F74F
Units
VCC
Conditions
Min
Typ
Max
IOS
Output Short-Circuit Current
b
60
b
150
mA
Max
VOUT e 0V (An)
b
100
b
225
VOUT e 0V (Bn)
IZZ
Bus Drainage Test
500
m
A
00V
VOUT e 525V (An Bn)
ICCH
Power Supply Current
70
105
mA
Max
VO e HIGH
ICCL
Power Supply Current
85
130
mA
Max
VO e LOW
ICCZ
Power Supply Current
83
125
mA
Max
VO e HIGH Z
AC Electrical Characteristics
74F
54F
74F
TA ea25 C
TA VCC e Mil
TA VCC e Com
Symbol
Parameter
VCC ea50V
CL e 50 pF
CL e 50 pF
Units
CL e 50 pF
Min
Typ
Max
Min
Max
Min
Max
tPLH
Propagation Delay
30
70
95
30
120
30
105
tPHL
Transparent Mode
30
50
65
25
85
30
75
ns
An to Bn or Bn to An
tPLH
Propagation Delay
60
100
130
60
180
60
145
ns
tPHL
LEBA to An
40
70
95
40
115
40
105
tPLH
Propagation Delay
60
100
130
60
180
60
145
ns
tPHL
LEAB to Bn
40
70
95
40
115
40
105
tPZH
Output Enable Time
30
70
90
30
110
30
100
tPZL
OEBA or OEAB to An or Bn
40
75
105
40
130
40
120
CEBA or CEAB to An or Bn
ns
tPHZ
Output Disable Time
10
60
80
20
100
10
90
tPLZ
OEBA or OEAB to An or Bn
25
55
105
20
95
25
115
CEBA or CEAB to An or Bn
AC Operating Requirements
74F
54F
74F
Symbol
Parameter
TA ea25 C
TA VCC e Mil
TA VCC e Com
Units
VCC ea50V
Min
Max
Min
Max
Min
Max
ts(H)
Setup Time HIGH or LOW
30
30
30
ts(L)
An or Bn to LEBA or LEAB
30
30
30
ns
th(H)
Hold Time HIGH or LOW
30
30
30
th(L)
An or Bn to LEBA or LEAB
30
30
30
tw(L)
Latch Enable B to A
60
90
75
ns
Pulse Width LOW
5



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