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74F1245 データシート(PDF) 4 Page - NXP Semiconductors

部品番号 74F1245
部品情報  Octal transceiver 3-State
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メーカー  PHILIPS [NXP Semiconductors]
ホームページ  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74F1245 データシート(HTML) 4 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
74F1245
Octal transceiver (3-State)
1995 Mar 01
4
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
LIMITS
UNIT
SYMBOL
PARAMETER
MIN
NOM
MAX
UNIT
VCC
Supply voltage
4.5
5.0
5.5
V
VIH
High-level input voltage
2.0
V
VIL
Low-level input voltage
0.8
V
IIK
Input clamp current
–18
mA
IO
High level output current
A0–A7
–3
mA
IOH
High-level output current
B0–B7
–15
mA
IO
Low level output current
A0–A7
24
mA
IOL
Low-level output current
B0–B7
64
mA
Tamb
Operating free-air temperature range
0
70
°C
DC ELECTRICAL CHARACTERISTICS
(Over recommended operating free-air temperature range unless otherwise noted.)
NO TAG
LIMITS
SYMBOL
PARAMETER
TEST CONDITIONSNO TAG
MIN
TYP
NO TAG
MAX
UNIT
A0–A7 B0–B7
IOH = –3mA
±10% VCC
2.4
V
VOH
High-level output voltage
A0–A7, B0–B7
VCC = MIN,
VIL = MAX
IOH = –3mA
±5% VCC
2.7
3.3
V
VOH
High-level out ut voltage
B0–B7
VIL = MAX,
VIH = MIN
IOH = –15mA
±10% VCC
2.0
V
B0–B7
IOH = –15mA
±5% VCC
2.0
V
A0–A7
IOL = 24mA
±10% VCC
0.35
0.50
V
VOL
Low-level output voltage
A0–A7
VCC = MIN,
VIL = MAX
IOL = 24mA
±5% VCC
0.35
0.50
V
VOL
Low-level out ut voltage
B0–B7
VIL = MAX,
VIH = MIN
IOL = 48mA
±10% VCC
0.30
0.55
V
B0–B7
IOL = 64mA
±5% VCC
0.42
0.55
V
VIK
Input clamp voltage
VCC = MIN, II = IIK
–0.73
–1.2
V
II
Input current at maximum
OE, T/R
VCC = 0.0V, VI = 7.0V
100
µA
II
input voltage
A0–A7, B0–B7
VCC = 0.0V, VI = 5.5V
100
µA
IIH
High-level input current
OE, T/R only
VCC = MAX, VI = 2.7V
40
µA
IIL
Low-level input current
OE, T/R only
VCC = MAX, VI = 0.5V
–20
µA
IIH+IOZH
Off-state output current
High-level voltage applied
VCC = MAX, VO = 2.7V
70
µA
IIL+IOZL
Off-state output current
Low-level voltage applied
VCC = MAX, VO = 0.5V
–70
µA
IOS
Short-circuit output
NO TAG
A0–A7
VCC = MAX
–60
–150
mA
IOS
currentNO TAG
B0–B7
VCC = MAX
–100
–225
mA
ICCH
120
155
mA
ICC
Supply current (total)
ICCL
VCC = MAX
116
150
mA
ICCZ
110
165
mA
NOTES:
1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable type.
2. All typical values are at VCC = 5V, Tamb = 25°C.
3. Not more than one output should be shorted at a time. For testing IOS, the use of high-speed test apparatus and/or sample-and-hold
techniques are preferable in order to minimize internal heating and more accurately reflect operational values. Otherwise, prolonged shorting
of a High output may raise the chip temperature well above normal and thereby cause invalid readings in other parameter tests. In any
sequence of parameter tests, IOS tests should be performed last.


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