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參數(shù)資料
| 型號(hào)： | 74FCT162952BTPVCT |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 通用總線功能 |
| 英文描述： | 16-Bit Registered Transceivers |
| 中文描述： | 16位注冊(cè)收發(fā)器 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 68K |
| 代理商： | 74FCT162952BTPVCT |
CY74FCT16952T
CY74FCT162952T
CY74FCT162H952T
3
Note:
7.
8.
9.
10. Pins with bus hold are described in the Pin Description.
and hold techniques are preferable in order to minimize internal chip 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 parametric tests. In any sequence of parameter tests,
I
tests should be performed last.
11. Tested at +25C.
Typical values are at V
= 5.0V, T
= +25C ambient.
This parameter is specified but not tested.
Electrical Characteristics
Over the Operating Range
Parameter
V
IH
V
IL
V
H
V
IK
I
IH
Description
Test Conditions
Min.
2.0
Typ.
[7]
Max.
Unit
V
V
mV
V
μ
A
Input HIGH Voltage
Input LOW Voltage
Input Hysteresis
[8]
Input Clamp Diode Voltage
Input HIGH Current
0.8
100
–0.7
V
CC
=Min., I
IN
= –18 mA
V
CC
=Max., V
I
=V
CC
–1.2
±
1
±
100
±
1
±
100
Standard
Bus Hold
Standard
Bus Hold
I
IL
Input LOW Current
V
CC
=Max., V
I
=GND
μ
A
μ
A
μ
A
μ
A
mA
I
BBH
I
BBL
Bus Hold Sustain Current on Bus Hold Input
[9]
V
CC
=Min.
V
I
=2.0V
V
I
=0.8V
–50
+50
I
BHHO
I
BHLO
I
OZH
BusHoldOverdriveCurrentonBusHoldInput
[9]
V
CC
=Max., V
I
=1.5V
TBD
High Impedance Output Current (Three-State
Output pins)
High Impedance Output Current (Three-State
Output pins)
Short Circuit Current
[10]
Output Drive Current
[10]
Power-Off Disable
V
CC
=Max., V
OUT
=2.7V
±
1
μ
A
I
OZL
V
CC
=Max., V
OUT
=0.5V
±
1
μ
A
I
OS
I
O
I
OFF
V
CC
=Max., V
OUT
=GND
V
CC
=Max., V
OUT
=2.5V
V
CC
=0V, V
OUT
≤
4.5V
[11]
–80
–50
–140
–200
–180
±
1
mA
mA
μ
A
Output Drive Characteristics for CY74FCT16952T
Parameter
V
OH
Description
Test Conditions
Min.
2.5
2.4
2.0
Typ.
[7]
3.5
3.5
3.0
0.2
Max.
Unit
V
V
V
V
Output HIGH Voltage
V
CC
=Min., I
OH
= –3 mA
V
CC
=Min., I
OH
= –15 mA
V
CC
=Min., I
OH
= –32 mA
V
CC
=Min., I
OL
=64 mA
V
OL
Output LOW Voltage
0.55
Output Drive Characteristics for CY74FCT162952T, CY74FCT162H952T
Parameter
I
ODL
I
ODH
V
OH
V
OL
Description
Test Conditions
Min.
60
–60
2.4
Typ.
[7]
115
–115
3.3
0.3
Max.
150
–150
Unit
mA
mA
V
V
Output LOW Current
[10]
Output HIGH Current
[10]
Output HIGH Voltage
Output LOW Voltage
V
CC
=5V, V
IN
=V
IH
or V
IL
, V
OUT
=1.5V
V
CC
=5V, V
IN
=V
IH
or V
IL
, V
OUT
=1.5V
V
CC
=Min., I
OH
= –24 mA
V
CC
=Min., I
OL
=24 mA
0.55
Capacitance
[8]
(T
A
= +25C, f = 1.0 MHz)
Parameter
C
IN
C
OUT
Description
Test Conditions
Typ.
[7]
4.5
5.5
Max.
6.0
8.0
Unit
pF
pF
Input Capacitance
Output Capacitance
V
IN
= 0V
V
OUT
= 0V
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