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參數(shù)資料
| 型號(hào)： | SN54ABT162841 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 20-BIT BUS-INTERFACE D-TYPE LATCHES WITH 3-STATE OUTPUTS |
| 中文描述： | 20位總線接口D型鎖存器具有三態(tài)輸出 |
| 文件頁數(shù)： | 5/8頁 |
| 文件大?。?/td> | 131K |
| 代理商： | SN54ABT162841 |
SN54ABT162841, SN74ABT162841
20-BIT BUS-INTERFACE D-TYPE LATCHES
WITH 3-STATE OUTPUTS
SCBS665B – JUNE 1996 – REVISED MAY 1997
5
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
SN54ABT162841
MIN
SN74ABT162841
MIN
UNIT
MIN
MAX
MAX
MAX
VIK
VCC = 4.5 V,
VCC = 4.5 V,
VCC = 5 V,
II = –18 mA
IOH = –1 mA
IOH = –1 mA
IOH = –3 mA
IOH = –12 mA
IOL = 8 mA
IOL = 12 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
2.4
2.4
2.4
2*
2
VOL
VCC= 4 5 V
VCC = 4.5 V
0.4
0.8
0.8
0.65
V
0.55*
0.8
Vhys
100
mV
II
VCC = 0 to 5.5 V,
VI = VCC or GND
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,
VCC = 5.5 V,
±
1
±
1
±
1
μ
A
IOZPU
±
50
±
50
±
50
μ
A
IOZPD
±
50
±
50
±
50
μ
A
IOZH
10
10
10
μ
A
IOZL
–10
–10
–10
μ
A
Ioff
ICEX
IO§
VI or VO
≤
4.5 V
VO = 5.5 V
VO = 2.5 V
±
100
50
±
100
50
μ
A
μ
A
mA
Outputs high
50
–25
–75
–100
–25
–100
–25
–100
Outputs high
VCC = 5.5 V, IO = 0,
VI= VCCor GND
VI = VCC or GND
5 5 V I
0.5
0.5
0.5
ICC
Outputs low
89
89
89
mA
Outputs disabled
0.5
0.5
0.5
ICC
VCC = 5.5 V, One input at 3.4 V,
Other inputs at VCC or GND
VI = 2.5 V or 0.5 V
VO = 2.5 V or 0.5 V
1.5
1.5
1.5
mA
Ci
Co
3.5
pF
9
pF
* On products compliant to MIL-PRF-38535, this parameter does not apply.
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 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
SN54ABT162841
SN74ABT162841
UNIT
MAX
MIN
MAX
MIN
MAX
tw
tsu
th
Pulse duration, LE high or low
Setup time, data before LE
↓
Hold time, data after LE
↓
4
4
4
ns
0.8
0.8
0.8
ns
1.8
1.8
1.8
ns
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
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