PI74FCT864CTSX [PERICOM]
暂无描述;
| 型号： | PI74FCT864CTSX |
| 厂家： | 
PERICOM SEMICONDUCTOR CORPORATION |
| 描述： | 暂无描述 总线收发器 |
| 文件： | 总6页 (文件大小：65K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
PI74FCT861T/863T/864T
Fast CMOS
Bus Transceivers
ProductFeatures:
• PI74FCT861/863T/864TispincompatiblewithbipolarFAST™
Product Description:
Series at a higher speed and lower power consumption
• TTL input and output levels
• Extremelylowstaticpower
• Hysteresis on all inputs
Pericom Semiconductor’s PI74FCT series of logic circuits are
produced in the Company’s advanced 0.8 micron CMOS
technology, achieving industry leading speed grades.
The PI74FCT860T series bus transceivers provide high-
performance bus interface buffering for wide data/address paths
carrying parity. They are designed for high-capacitance load drive
capability while providing bus loading at both inputs and outputs.
• Industrial operating temperature range: –40°C to +85°C
• Packagesavailable:
– 24-pin300milwideplasticDIP(P)
– 24-pin150milwideplasticQSOP(Q)
– 24-pin150milwideplasticTQSOP(R)
– 24-pin300milwideplasticSOIC(S)
The PI74FCT861T is a 10-bit non-inverting bus transceiver.
The PI74FCT863T is a 9-bit non-inverting option of the
PI74FCT864T 9-bit inverting bus transceiver.
PI74FCT861/863/864T Logic Block Diagram
T
0
T
1
T
2
T
3
T
4
T
5
T
6
T
7
T
8
T
9
OER
R0
R1
R2
R3
R4
R5
R6
R7
R8
R9
OET
Note: PI74FCT861T function is shown.
PS2026A 03/11/96
1
PI74FCT861T/863T/864T
BUS TRANSCEIVERS
PI74FCT861T 10-Bit Product Configuration
Product Pin Description
Pin Name
RN
Description
OER
Vcc
1
24
23
22
21
20
19
18
17
16
15
14
13
Receive Inputs/Outputs
Transmit Inputs/Outputs
Output Enable Receive Mode
Output Enable Transmit Mode
Ground
R0
R1
R2
R3
R4
R5
R6
R7
R8
R9
T
T
T
T
T
T
T
T
T
T
0
1
2
3
4
5
6
7
8
9
2
TN
3
OERN
OETN
GND
VCC
4
24-PIN
P24
Q24
R24
5
6
7
Power
S24
8
9
PI74FCT861/863T (non-inverting) Truth Table(1)
10
11
12
Inputs
Outputs
GND
OET
Function
OETN OERN RN TN
RN TN
High-Z
H
L
H
H
H
L
X
L
X
Z
Z
L
Transmitting
Transmitting
Receiving
N/A N/A
N/A N/A
PI74FCT863/864T 9-Bit Product Configuration
L
H
H
H
H
N/A
N/A
L
L
N/A
N/A
Vcc
OER
1
0
1
2
3
4
5
6
7
8
2
1
24
23
22
21
20
19
18
17
16
15
14
13
Receiving
L
H
H
T0
T1
T2
T3
T4
T5
T6
T7
T8
R
2
R
3
1. H = High Voltage Level
L = Low Voltage Level
X = Don't Care
24-PIN
P24
Q24
R24
R
4
R
5
R
6
NA = Not Applicable
Z = High Impedance
R
7
S24
R
8
R
9
PI74FCT864T (inverting) Truth Table(1)
R
10
11
OET
OET
2
1
OER
Inputs
Outputs
GND 12
Function
OETN OERN RN TN
RN TN
High-Z
H
L
H
H
H
L
X
L
X
Z
Z
H
Transmitting
Transmitting
Receiving
N/A N/A
N/A N/A
L
H
L
H
H
N/A
N/A
L
H
L
N/A
N/A
Receiving
L
H
1. H = High Voltage Level
L = Low Voltage Level
X = Don't Care
NA = Not Applicable
Z = High Impedance
PS2026A 03/11/96
2
PI74FCT861T/863T/864T
BUS TRANSCEIVERS
Maximum Ratings
(Above which the useful life may be impaired. For user guidelines, not tested.)
Note:
StorageTemperature .................................................................... –65°Cto+150°C
Ambient Temperature with Power Applied .....................................-40°Cto+85°C
Supply Voltage to Ground Potential (Inputs & Vcc Only) .............. –0.5Vto+7.0V
Supply Voltage to Ground Potential (Outputs & D/O Only) ........... –0.5Vto+7.0V
DC Input Voltage ............................................................................ –0.5Vto+7.0V
DC Output Current ..................................................................................... 120mA
Power Dissipation ..........................................................................................0.5W
Stresses greater than those listed under
MAXIMUM RATINGS may cause permanent
damage to the device. This is a stress rating
only and functional operation of the device at
these or any other conditions above those
indicated in the operational sections of this
specification is not implied. Exposure to
absolute maximum rating conditions for
extended periods may affect reliability.
DCElectricalCharacteristics(OvertheOperatingRange, TA =–40°Cto+85°C, VCC =5V± 5%)
Parameters Description
TestConditions(1) Min. Typ(2) Max.
Units
V
VOH
VOL
VIH
VIL
IIH
OutputHIGHVoltage
VCC =Min.,VIN =VIH orVIL
IOH =–15.0mA
IOL = 48 mA
2.4
3.0
0.3
Output LOW Current
InputHIGHVoltage
Input LOW Voltage
InputHIGHCurrent
Input LOW Current
VCC =Min.,VIN =VIH orVIL
GuaranteedLogicHIGHLevel
GuaranteedLogicLOWLevel
VCC=Max.
0.50
V
2.0
V
0.8
1
V
VIN =VCC
µA
µA
IIL
VCC=Max.
VIN =GND
–1
IOZH
IOZL
HighImpedance
Output Current
VCC =Max.
VOUT =2.7V
VOUT =0.5V
1
µA
µA
–1
II
InputHIGHCurrent
ClampDiodeVoltage
ShortCircuitCurrent
PowerDownDisable
Input Hysteresis
VCC =Max.,VIN =VCC (Max.)
VCC = Min., IIN =–18 mA
VCC =Max.(3),VOUT = GND
VCC=GND,VOUT =4.5V
20
µA
V
VIK
IOS
IOFF
VH
–0.7
–120
—
–1.2
–60
—
mA
µA
mV
100
200
Capacitance(TA =25°C,f=1MHz)
Parameters(4)
Description
TestConditions
VIN =0V
Typ
Max.
Units
pF
CIN
Input Capacitance
Output Capacitance
6
8
10
12
COUT
VOUT=0V
pF
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at Vcc = 5.0V, +25°C ambient and maximum loading.
3. Not more than one output should be shorted at one time. Duration of the test should not exceed one second.
4. This parameter is determined by device characterization but is not production tested.
PS2026A 03/11/96
3
PI74FCT861T/863T/864T
BUS TRANSCEIVERS
Power Supply Characteristics
Parameters Description
TestConditions(1)
Min. Typ(2) Max.
Units
ICC
Quiescent Power
Supply Current
VCC=Max.
VCC = Max.
VCC = Max.,
VIN =GND
orVCC
0.1
500
µA
∆ICC
ICCD
Supply Current per
Input @ TTL HIGH
VIN = 3.4V(3)
0.5
2.0
mA
Supply Current per
Input per MHz(4)
VIN = VCC
VIN = GND
0.15
0.25
mA/
MHz
Outputs Open
OE=GND;
One Input Toggling
50% Duty Cycle
IC
Total Power Supply
Current(6)
VCC = Max.,
Outputs Open
fCP = 10 MHZ
50% Duty Cycle
OE=GND;
VIN = VCC
VIN = GND
1.5
1.8
3.5(5)
4.5(5)
mA
VIN = 3.4V
VIN =GND
fI = 5 MHZ
One Bit Toggling
VCC = Max.,
VIN = VCC
VIN = GND
3.0
5.0
6.0(5)
Outputs Open
fCP = 10 MHZ
50% Duty Cycle
OE=GND;
VIN = 3.4V
VIN =GND
14.0(5)
Eight Bits Toggling
fI = 2.5 MHZ
50% Duty Cycle
Notes:
1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device.
2. Typical values are at Vcc = 5. V, +25°C ambient.
3. Per TTL driven input (VIN = 3.4V); all other inputs at Vcc or GND.
4. This parameter is not directly testable, but is derived for use in Total Power Supply Calculations.
5. Values for these conditions are examples of the Icc formula. These limits are guaranteed but not tested.
6. IC =IQUIESCENT + IINPUTS + IDYNAMIC
IC = ICC + ∆ICC DHNT + ICCD (fCP/2 + fINI)
ICC = Quiescent Current
∆ICC = Power Supply Current for a TTL High Input (VIN = 3.4V)
DH = Duty Cycle for TTL Inputs High
NT = Number of TTL Inputs at DH
ICCD = Dynamic Current Caused by an Input Transition Pair (HLH or LHL)
fCP = Clock Frequency for Register Devices (Zero for Non-Register Devices)
fI = Input Frequency
NI = Number of Inputs at fI
All currents are in milliamps and all frequencies are in megahertz.
PS2026A 03/11/96
4
PI74FCT861T/863T/864T
BUS TRANSCEIVERS
PI74FCT861T (non-inverting) Switching Characteristics over Operating Range
861AT
Com.
861BT
Com.
861CT
Com.
Parameters
Description
Conditions(1)
Min
Max
Min
Max
Min
Max
Unit
t
t
PLH
PHL
PropagationDelay
CL
RL
CL
RL
CL
RL
CL
RL
CL
RL
CL
RL
= 50 pF
= 500Ω
= 300 pF(3)
= 500Ω
= 50 pF
= 500Ω
= 300 pF(3)
= 500Ω
= 50 pF
= 500Ω
= 5 pF(3)
= 500Ω
1.5
8.0
15.0
12.0
20.0
9.0
1.5
6.0
1.5
5.5
11.5
6.8
ns
RN
to TN
or
TN
to R
N
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
13.0
8.0
1.5
1.5
1.5
1.5
1.5
ns
ns
ns
ns
ns
t
t
PZH
PZL
Output Enable Time
OET to T or
OER to R
N
N
15.0
6.0
13.0
5.0
t
t
PHZ
PLZ
Output Disable Time(3)
OET to T or
OER to R
N
N
10.0
7.0
6.0
PI74FCT863T (non-inverting) Switching Characteristics over Operating Range
863AT
Com.
863BT
Com.
863CT
Com.
Parameters
Description
Conditions(1)
Min
Max
Min
Max
Min
Max
Unit
t
t
PLH
PHL
PropagationDelay
CL
RL
CL
RL
CL
RL
CL
RL
CL
RL
CL
RL
= 50 pF
= 500Ω
= 300 pF(3)
= 500Ω
= 50 pF
= 500Ω
= 300 pF(3)
= 500Ω
= 50 pF
= 500Ω
= 5 pF(3)
= 500Ω
1.5
8.0
15.0
12.0
20.0
9.0
1.5
6.0
1.5
5.5
ns
RN
to TN
or
TN
to R
N
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
13.0
8.0
1.5
1.5
1.5
1.5
1.5
11.5
6.8
ns
ns
ns
ns
ns
t
t
PZH
PZL
Output Enable Time
OET to T or
OER to R
N
N
15.0
6.0
13.0
5.0
t
t
PHZ
PLZ
Output Disable Time(3)
OET to T or
OER to R
N
N
10.0
7.0
6.0
Notes:
1. See test circuit and wave forms.
2. Minimum limits are guaranteed but not tested on Propagation Delays.
3. This parameter is guaranteed but not production tested.
PS2026A 03/11/96
5
PI74FCT861T/863T/864T
BUS TRANSCEIVERS
PI74FCT864T (inverting) Switching Characteristics over Operating Range
864AT
Com.
864BT
Com.
864CT
Com.
Parameters
Description
Conditions(1)
Min
Max
Min
Max
Min
Max
Unit
t
t
PLH
PHL
PropagationDelay
CL
RL
CL
RL
CL
RL
CL
RL
CL
RL
CL
RL
= 50 pF
= 500Ω
= 300 pF(3)
= 500Ω
= 50 pF
= 500Ω
= 300 pF(3)
= 500Ω
= 50 pF
= 500Ω
= 5 pF(3)
= 500Ω
1.5
8.0
15.0
12.0
20.0
9.0
1.5
6.0
1.5
5.5
ns
RN
to TN
or
TN
to R
N
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
13.0
8.0
1.5
1.5
1.5
1.5
1.5
11.5
6.8
ns
ns
ns
ns
ns
t
t
PZH
PZL
Output Enable Time
OET to T or
OER to R
N
N
15.0
6.0
13.0
5.0
t
t
PHZ
PLZ
Output Disable Time(3)
OET to T or
OER to R
N
N
10.0
7.0
6.0
Notes:
1. See test circuit and wave forms.
2. Minimum limits are guaranteed but not tested on Propagation Delays.
3. This parameter is guaranteed but not production tested.
Pericom Semiconductor Corporation
2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com
PS2026A 03/11/96
6
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