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參數(shù)資料
| 型號： | SN54CBTD3384W |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | RTC IC W NVSRAM Control, Watchdog Timer, uP Reset, Interrupts and Battery Low Warning 28-SOIC 0 to 70 |
| 中文描述： | 10位FET總線開關(guān)，電平轉(zhuǎn)換 |
| 文件頁數(shù)： | 3/6頁 |
| 文件大?。?/td> | 90K |
| 代理商： | SN54CBTD3384W |
SN54CBTD3384, SN74CBTD3384
10-BIT FET BUS SWITCHES
WITH LEVEL SHIFTING
SCDS025K – MAY 1995 – REVISED NOVEMBER 1998
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54CBTD3384
MIN
TYP
SN74CBTD3384
MIN
TYP
UNIT
MAX
MAX
VIK
VOH
II
ICC
VCC = 4.5 V,
See Figure 2
II = –18 mA
–1.2
–1.2
V
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V, One input at 3.4 V,
Other inputs at VCC or GND
VI = 3 V or 0
VO = 3 V or 0,
VI = 5.5 V or GND
IO = 0,
±
1
1.5
±
1
1.5
μ
A
mA
VI = VCC or GND
ICC
Control inputs
2.5
2.5
mA
Ci
Cio(OFF)
Control inputs
3
3
pF
OE = VCC
3.5
3.5
pF
VI= 0
II = 64 mA
II = 30 mA
II = 15 mA
5
5
7
ron§
VCC = 4.5 V
5
5
7
VI = 2.4 V,
35
35
50
Typical values are at VCC = 5 V, TA = 25
°
C.
This is the increase in supply current for each input that is at the specified TTL voltage level rather than VCC or GND.
§Measured by the voltage drop between the A and B terminals at the indicated current through the switch. On-state resistance is determined by
the lowest voltage of the two (A or B) terminals.
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature range, C
L
= 50 pF (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
SN54CBTD3384
MIN
SN74CBTD3384
MIN
UNIT
(OUTPUT)
MAX
MAX
tpd
ten
tdis
A or B
B or A
0.25
0.25
ns
OE
A or B
2.2
9.7
2.3
7
ns
OE
A or B
1.5
8.6
1.7
5.3
ns
The propagation delay is the calculated RC time constant of the typical on-state resistance of the switch and the specified load capacitance, when
driven by an ideal voltage source (zero output impedance).
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