参数资料
型号: SN74LVCH16952ADL
厂商: TEXAS INSTRUMENTS INC
元件分类: 总线收发器
英文描述: LVC/LCX/Z SERIES, DUAL 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO56
封装: GREEN, PLASTIC, SSOP-56
文件页数: 10/14页
文件大小: 345K
代理商: SN74LVCH16952ADL
www.ti.com
Electrical Characteristics
Timing Requirements
SN74LVCH16952A
16-BIT REGISTERED TRANSCEIVER
WITH 3-STATE OUTPUTS
SCAS320L – NOVEMBER 1993 – REVISED MARCH 2005
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
MIN TYP(1)
MAX
UNIT
IOH = –100 A
1.65 V to 3.6 V
VCC – 0.2
IOH = –4 mA
1.65 V
1.2
IOH = –8 mA
2.3 V
1.7
VOH
V
2.7 V
2.2
IOH = –12 mA
3 V
2.4
IOH = –24 mA
3 V
2.2
IOL = 100 A
1.65 V to 3.6 V
0.2
IOL = 4 mA
1.65 V
0.45
VOL
IOL = 8 mA
2.3 V
0.7
V
IOL = 12 mA
2.7 V
0.4
IOL = 24 mA
3 V
0.55
II
Control inputs VI = 0 to 5.5 V
3.6 V
±5
A
VI = 0.58 V
15
1.65 V
VI = 1.07 V
–15
VI = 0.7 V
45
2.3 V
II(hold)
A or B ports
VI = 1.7 V
–45
A
VI = 0.8 V
75
3 V
VI = 2 V
–75
VI = 0 to 3.6 V(2)
3.6 V
±500
Ioff
VI or VO = 5.5 V
0
±10
A
IOZ(3)
VO = 0 V or (VCC to 5.5 V)
3.6 V
±10
A
VI = VCC or GND, IO = 0
20
ICC
3.6 V
A
3.6 V
≤ V
I ≤ 5.5 V
(4), I
O = 0
20
I
CC
One input at VCC – 0.6 V, Other inputs at VCC or GND
2.7 V to 3.6 V
500
A
Ci
Control inputs VI = VCC or GND
3.3 V
5
pF
Cio
A or B ports
VO = VCC or GND
3.3 V
8.5
pF
(1)
All typical values are at VCC = 3.3 V, TA = 25°C.
(2)
This is the bus-hold maximum dynamic current required to switch the input from one state to another.
(3)
For the total leakage current in an I/O port, please consult the II(hold) specification for the input voltage condition 0 V < VI <VCC, and the
IOZ specification for the input voltage conditions VI = 0 V or VI = VCC to 5.5 V. The bus-hold current, at input voltage greater than VCC, is
negligible.
(4)
This applies in the disabled state only.
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1)
VCC = 1.8 V
VCC = 2.5 V
VCC = 3.3 V
VCC = 2.7 V
± 0.15 V
± 0.2 V
± 0.3 V
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
fclock
Clock frequency
130
150
MHz
tw
Pulse duration, CLK high or low
5
3.3
ns
Data before CLK
5.8
3.4
2.8
tsu
Setup time
ns
CE before CLK
1.4
1.3
1.8
1.4
Data after CLK
0
0.5
th
Hold time
ns
CE after CLK
1.1
1.6
1.1
1.9
5
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