參數(shù)資料
型號: SN74LVC646APWTG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 總線收發(fā)器
英文描述: LVC/LCX/Z SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24
封裝: GREEN, PLASTIC, TSSOP-24
文件頁數(shù): 19/22頁
文件大?。?/td> 545K
代理商: SN74LVC646APWTG4
www.ti.com
Electrical Characteristics
Timing Requirements
SN54LVC646A, SN74LVC646A
OCTAL BUS TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCAS302J – JANUARY 1993 – REVISED AUGUST 2005
over recommended operating free-air temperature range (unless otherwise noted)
SN54LVC646A
SN74LVC646A
PARAMETER
TEST CONDITIONS
VCC
UNIT
MIN
TYP(1) MAX
MIN
TYP(1) MAX
1.65 V to 3.6 V
VCC – 0.2
IOH = –100 A
2.7 V to 3.6 V
VCC – 0.2
IOH = –4 mA
1.65 V
1.2
VOH
IOH = –8 mA
2.3 V
1.7
V
2.7 V
2.2
IOH = –12 mA
3 V
2.4
IOH = –24 mA
3 V
2.2
1.65 V to 3.6 V
0.2
IOL = 100 A
2.7 V to 3.6 V
0.2
IOL = 4 mA
1.65 V
0.45
VOL
V
IOL = 8 mA
2.3 V
0.7
IOL = 12 mA
2.7 V
0.4
IOL = 24 mA
3 V
0.55
Control
II
VI = 0 to 5.5 V
3.6 V
±5
A
inputs
Ioff
VI or VO = 5.5 V
0
±10
A
IOZ(2)
VO = 0 to 5.5 V
3.6 V
±15
±10
A
VI = VCC or GND
10
ICC
IO = 0
3.6 V
A
3.6 V
≤ V
I ≤ 5.5 V
(3)
10
One input at VCC – 0.6 V,
I
CC
2.7 V to 3.6 V
500
A
Other inputs at VCC or GND
Control
Ci
VI = VCC or GND
3.3 V
4.5
pF
inputs
A or B
Cio
VO = VCC or GND
3.3 V
7.5
pF
port
(1)
All typical values are at VCC = 3.3 V, TA = 25°C.
(2)
For I/O ports, the parameter IOZ includes the input leakage current.
(3)
This applies in the disabled state only.
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 2)
SN54LVC646A
VCC = 3.3 V
VCC = 2.7 V
UNIT
± 0.3 V
MIN
MAX
MIN
MAX
fclock
Clock frequency
150
MHz
tw
Pulse duration
3.3
ns
tsu
Setup time, data before CLK
1.6
1.5
ns
th
Hold time, data after CLK
1.7
ns
6
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