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參數(shù)資料
| 型號： | IDT29FCT52DTSO8 |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | FCT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24 |
| 封裝： | SOIC-24 |
| 文件頁數(shù)： | 3/7頁 |
| 文件大小： | 105K |
| 代理商： | IDT29FCT52DTSO8 |
3
IDT29FCT52AT/BT/CT/DT
FASTCMOSOCTALREGISTEREDTRANSCEIVER
INDUSTRIALTEMPERATURERANGE
PIN DESCRIPTION
Name
I/O
Description
A0-7
I/O
Eight bidirectional lines carrying the A Register inputs or B Register outputs.
B0-7
I/O
Eight bidirectional lines carrying the B Register inputs or A Register outputs.
CPA
I
Clock for the A Register. When
CEA is LOW, data is entered into the A Register on the LOW-to-HIGH transition of the CPA signal.
CEA
I
Clock Enable for the A Register. When
CEA is LOW, data is entered into the A Register on the LOW-to-HIGH transition of the CPA signal. When
CEA is HIGH, the A Register holds its contents, regardless of CPA signal transitions.
OEB
I
Output Enable for the A Register. When
OEB is LOW, the A Register outputs are enabled onto the B0-7 lines. When OEB is HIGH, the B0-7 outputs
areinthehigh-impedancestate.
CPB
I
Clock for the B Register. When
CEB is LOW, data is entered into the B Register on the LOW-to-HIGH transition of the CPB signal.
CEB
I
Clock Enable for the B Register. When
CEB is LOW, data is entered into the B Register on the LOW-to-HIGH transition of the CPB signal. When
CEB is HIGH, the B Register holds its contents, regardless of CPB signal transitions.
OEA
I
Output Enable for the B Register. When
OEA is LOW, the B Register outputs are enabled onto the A0-7 lines. When OEA is HIGH, the A0-7 outputs
areinthehigh-impedancestate.
NOTES:
1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at VCC = 5.0V, +25°C ambient.
3. Not more than one output should be shorted at one time. Duration of the short circuit test should not exceed one second.
4. The test limit for this parameter is ±5
A at TA = -55°C.
5. This parameter is guaranteed but not tested.
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
Following Conditions Apply Unless Otherwise Specified:
Industrial: TA = -40°C to +85°C, VCC = 5.0V ± 5%
Symbol
Parameter
Test Conditions(1)
Min.
Typ.(2)
Max.
Unit
VIH
Input HIGH Level
Guaranteed Logic HIGH Level
2
—
V
VIL
Input LOW Level
Guaranteed Logic LOW Level
—
0.8
V
IIH
Input HIGH Current(4)
VCC = Max.
VI = 2.7V
—
±1
A
IIL
Input LOW Current(4)
VI = 0.5V
—
±1
IOZH
High Impedance Output Current
VCC = Max.
VO = 2.7V
—
±1
IOZL
(3-State Output pins)(4)
VO = 0.5V
—
±1
II
Input HIGH Current(4)
VCC = Max., VI = VCC (Max.)
—
±1
A
VIK
Clamp Diode Voltage
VCC = Min., IIN = –18mA
—
–0.7
–1.2
V
VH
Input Hysteresis
—
200
—
mV
ICC
Quiescent Power Supply Current
VCC = 3V, VIN = GND or VCC
—0.01
1
mA
OUTPUT DRIVE CHARACTERISTICS
Symbol
Parameter
Test Conditions(1)
Min.
Typ.(2)
Max.
Unit
VOH
Output HIGH Voltage
VCC = Min.
IOH = -8mA
2.4
3.3
—
V
VIN = VIH or VIL
IOH = -15mA
2
3
—
VOL
Output LOW Voltage
VCC = Min.
IOL = 64mA
—
0.3
0.55
V
VIN = VIH or VIL
IOS
Short Circuit Current
VCC = Max., VO = GND(3)
–60
–120
–225
mA
IOFF
Input/Output Power Off Leakage(5)
VCC = 0V, VIN or VO
≤ 4.5V
——
±1
A
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