參數(shù)資料
型號(hào): SN74ABT841ADB
廠(chǎng)商: Texas Instruments, Inc.
元件分類(lèi): 通用總線(xiàn)功能
英文描述: 10-BIT BUS-INTERFACE D-TYPE LATCHES WITH 3-STATE OUTPUTS
中文描述: 10位總線(xiàn)接口D型鎖存器具有三態(tài)輸出
文件頁(yè)數(shù): 4/7頁(yè)
文件大?。?/td> 109K
代理商: SN74ABT841ADB
SN54ABT841, SN74ABT841A
10-BIT BUS-INTERFACE D-TYPE LATCHES
WITH 3-STATE OUTPUTS
SCBS196D – FEBRUARY 1991 – REVISED MAY 1997
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
TA = 25
°
C
TYP
SN54ABT841
MIN
SN74ABT841A
MIN
UNIT
MIN
MAX
MAX
MAX
VIK
VCC = 4.5 V,
VCC = 4.5 V,
VCC = 5 V,
II = –18 mA
IOH = –3 mA
IOH = –3 mA
IOH = –24 mA
IOH = –32 mA
IOL = 48 mA
IOL = 64 mA
–1.2
–1.2
–1.2
V
2.5
2.5
2.5
VOH
3
3
3
V
VCC= 4 5 V
VCC = 4.5 V
2
2
2*
2
VOL
VCC= 4 5 V
VCC = 4.5 V
0.55
0.55
V
0.55*
0.55
Vhys
II
IOZPU
IOZPD
IOZH
IOZL
Ioff
ICEX
IO§
100
mV
μ
A
μ
A
μ
A
μ
A
μ
A
μ
A
μ
A
mA
μ
A
mA
μ
A
mA
μ
A
mA
VCC = 0 to 5.5 V,
VCC = 0 to 2.1 V, VO = 0.5 V to 2.7 V, OE = X
VCC = 2.1 V to 0, VO = 0.5 V to 2.7 V, OE = X
VCC = 2.1 V to 5.5 V, VO = 2.7 V, OE
2 V
VCC = 2.1 V to 5.5 V, VO = 0.5 V, OE
2 V
VCC = 0,
VCC = 5.5 V, VO = 5.5 V
VCC = 5.5 V,
VI = VCC or GND
±
1
±
1
±
1
±
50
±
50
10
±
50
±
50
10
±
50
±
50
10
–10
±
100
50
–10
–10
±
100
50
VI or VO
4.5 V
Outputs high
50
VO = 2.5 V
Outputs high
–50
–140
–180
–50
–180
–50
–180
VCC = 5.5 V, IO = 0,
VI= VCCor GND
VI = VCC or GND
5 5 V I
1**
250**
38**
280
45
250
38
ICC
Outputs low
24**
Outputs disabled
0.5**
250**
280
250
VCC= 5.5 V,
VCC = 5.5 V,
One input at 3.4 V,
Other inputs at VCC or GND
Outputs enabled
1.5
1.5
1.5
ICC#
Outputs disabled
250**
280
250
Control inputs
1.5
1.5
1.5
Ci
Co
VI = 2.5 V or 0.5 V
VO = 2.5 V or 0.5 V
4
pF
7
pF
* On products compliant to MIL-PRF-38535, this parameter does not apply.
** These limits apply only to the SN74ABT841A.
All typical values are at VCC = 5 V.
This parameter is characterized, but not production tested.
§Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
This limit may vary among suppliers.
#This is the increase in supply current for each input that is at the specified TTL voltage level rather than VCC or GND.
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Figure 1)
VCC = 5 V,
TA = 25
°
C
MIN
SN54ABT841
SN74ABT841A
UNIT
MAX
MIN
MAX
MIN
MAX
tw
Pulse duration, LE high or low
3.3
3.3
3.3
ns
tsu
Setup time data before LE
Setup time, data before LE
High
2.5
2.5
2.5
ns
Low
1.5
1.5
1.5
th
Hold time data after LE
Hold time, data after LE
High
1.5
1.5
1.5
ns
Low
1.5
2
1.5
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