參數(shù)資料
型號(hào)： 935024260118
廠商： NXP SEMICONDUCTORS
元件分類： 總線收發(fā)器
英文描述： F/FAST SERIES, TRIPLE 1-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PQCC20
封裝： PLASTIC, LCC-20
文件頁(yè)數(shù)： 9/12頁(yè)
文件大?。?/td> 108K
代理商： 935024260118
Philips Semiconductors
Product specification
74F777
Triple bidirectional latched bus transceiver (3–State +
Open Collector)
May 19, 1992
6
DC ELECTRICAL CHARACTERISTICS
(Over recommended operating free-air temperature range unless otherwise noted.)
SYMBOL
PARAMETER
TEST
LIMITS
UNIT
CONDITIONS1
MIN
TYP2
MAX
IOH
High–level output current
B0 – B2
VCC = MAX, VIL = MAX, VIH = MIN, VOH = 2.1V
100
A
IOFF
Power–off output current
B0 – B2
VCC = 0.0V, VIL = MAX, VIH = MIN, VOH = 2.1V
100
A
VCC = MIN,
IOH = –3mA, VX =VCC
2.5
VCC
V
VOH
High-level output voltage
A0 – A24
VIL = MAX,
VIH = MIN
IOH = –4mA, VX = 3.13V
and 3.47V
2.5
VX
V
A0 – A24
VCC = MIN,
IOL = 20mA, VX = Vcc
0.50
V
VOL
Low-level output voltage
B0 – B2
VIL = MAX,
IOL = 100mA
1.15
V
VIH = MIN
IOL = 4mA
0.40
V
VIK
Input clamp voltage
A0 – A2
VCC = MIN, II = IIK
-0.5
V
Except A0 – A2
VCC = MIN, II = IIK
-1.2
V
II
Input current at
maximum input voltage
OEBn, OEAn,
LEn
VCC = MAX, VI = 7.0V
100
A
A0 – A2,
B0 – B2
VCC = MAX, VI = 5.5V
1
mA
IIH
High–level input current
OEBn, OEAn,
LEn
VCC = MAX, VI = 2.7V, Bn – An = 0V
20
A
B0 – B2
VCC = MAX, VI = 2.1V
100
A
IIL
Low–level input current
OEBn, OEAn,
LEn
VCC = MAX, VI = 0.5V
–20
A
B0 – B2
VCC = MAX, VI = 0.3V
–100
A
IOZH + IIH
Off–state output current,
High level voltage applied
A0 – A2
VCC = MAX, VO = 2.7V
70
A
IOZL + IIL
Off–state output current,
Low level voltage applied
A0 – A2
VCC = MAX, VI = 0.5V
–70
A
IX
High level control current
VCC = MAX, VX = VCC, LE = OEAn = OEBn = 2.7V,
A0 – A2 = 2.7V, B0 – B2 = 2.0V,
–100
100
A
VCC = MAX, VX = 3.13 & 3.47V, LE = OEAn =
2.7V, OEBn = A0 – A2 = 2.7V, B0 – B2 = 2.0V
–10
10
A
IOS
Short circuit output
current3
A0 – A2 only
VCC = MAX, Bn = 1.8V, OEAn = 2.0V,
OEBn = 2.7V
-60
-150
mA
ICCH
VCC = MAX
40
60
mA
ICC
Supply current (total)
ICCL
VCC = MAX, VIL = 0.5V
55
80
mA
ICCZ
VCC = MAX, VIL = 0.5V
45
67
mA
Notes to DC electrical characteristics
1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable type.
Unless otherwise specified, VX =VCC for all test condition.
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. Due to test equipment limitations, actual test conditions are for VIH =1.8v and VIL = 1.3V.
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