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參數(shù)資料
| 型號： | 933897000623 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 計數(shù)器 |
| 英文描述： | F/FAST SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDSO16 |
| 封裝： | 3.90 MM, PLASTIC, MS-012AC, SOT-109-1, SO-16 |
| 文件頁數(shù)： | 11/14頁 |
| 文件大小： | 104K |
| 代理商： | 933897000623 |
Philips Semiconductors
Product specification
74F191
Up/Down binary counter with reset and ripple clock
1995 Jul 17
6
ABSOLUTE MAXIMUM RATINGS
(Operation beyond the limits set forth in this table may impair the useful life of the device.
Unless otherwise noted these limits are over the operating free-air temperature range.)
SYMBOL
PARAMETER
RATING
UNIT
VCC
Supply voltage
–0.5 to +7.0
V
VIN
Input voltage
–0.5 to +7.0
V
IIN
Input current
–30 to +5.0
mA
VOUT
Voltage applied to output in High output state
–0.5 to +VCC
V
IOUT
Current applied to output in Low output state
40
mA
Tamb
Operating free-air temperature range
0 to +70
oC
Tstg
Storage temperature
–65 to +150
oC
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
IOH
High-level output current
–1
mA
IOL
Low-level output current
20
mA
Tamb
Operating free-air temperature range
0
70
oC
DC ELECTRICAL CHARACTERISTICS
(Over recommended operating free-air temperature range unless otherwise noted.)
SYMBOL
PARAMETER
TEST CONDITIONS1
LIMITS
UNIT
SYMBOL
PARAMETER
TEST CONDITIONS1
Min
Typ2
Max
UNIT
VO
High level output voltage
VCC = Min, VIL = Max,
±10%VCC
2.5
V
VOH
High-level output voltage
VCC
Min, VIL
Max,
IOH = Max, VIH = Min
±5%VCC
2.7
3.4
V
VO
Low level output voltage
VCC = Min, VIL = Max,
±10%VCC
0.30
0.50
V
VOL
Low-level output voltage
VCC
Min, VIL
Max,
IOL = Max, VIH = Min
±5%VCC
0.30
0.50
V
VIK
Input clamp voltage
VCC = Min, II = IIK
–0.73
–1.2
V
II
Input current at maximum input voltage
VCC = Max, VI = 7.0V
100
A
IIH
High-level input current
VCC = Max, VI = 2.7V
20
A
IIL
Low-level input current
CE
VCC = Max V =0 5V
–1.8
mA
Others
VCC = Max, VI = 0.5V
–0.6
mA
IOS
Short-circuit output current3
VCC = Max
–60
–150
mA
ICC
Supply current4 (total)
VCC = Max
40
55
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.
4. Measure ICC all inputs grounded and all outputs open.
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