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SN54ALVTH16821 Datasheet(PDF) 6 Page - Texas Instruments

Part # SN54ALVTH16821
Description  2.5-V/3.3-V 20-BIT BUS-INTERFACE FLIP-FLOPS WITH 3-STATE OUTPUTS
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

SN54ALVTH16821 Datasheet(HTML) 6 Page - Texas Instruments

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SN54ALVTH16821, SN74ALVTH16821
2.5-V/3.3-V 20-BIT BUS-INTERFACE FLIP-FLOPS
WITH 3-STATE OUTPUTS
SCES078E – JULY 1996 – REVISED JANUARY 1999
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range,
VCC = 2.5 V ± 0.2 V (unless otherwise noted) (see Figure 1)
PARAMETER
TEST CONDITIONS
SN54ALVTH16821
SN74ALVTH16821
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
MIN
TYP†
MAX
UNIT
VIK
VCC = 2.3 V,
II = –18 mA
–1.2
–1.2
V
VCC = 2.3 V to 2.7 V,
IOH = –100 µA
VCC–0.2
VCC–0.2
VOH
VCC =2 3V
IOH = –6 mA
1.8
V
VCC = 2.3 V
IOH = –8 mA
1.8
VCC = 2.3 V to 2.7 V,
IOL = 100 µA
0.2
0.2
IOL = 6 mA
0.4
VOL
VCC =2 3V
IOL = 8 mA
0.4
V
VCC = 2.3 V
IOL = 18 mA
0.5
IOL = 24 mA
0.5
Control inputs
VCC = 2.7 V,
VI = VCC or GND
±1
±1
Control inputs
VCC = 0 or 2.7 V,
VI = 5.5 V
10
10
II
VI = 5.5 V
10
10
µA
Data inputs
VCC = 2.7 V
VI = VCC
1
1
VI = 0
–5
–5
Ioff
VCC = 0,
VI or VO = 0 to 4.5 V
±100
µA
IBHL‡
VCC = 2.3 V,
VI = 0.7 V
115
115
µA
IBHH§
VCC = 2.3 V,
VI = 1.7 V
–10
–10
µA
IBHLO¶
VCC = 2.7 V,
VI = 0 to VCC
300
300
µA
IBHHO#
VCC = 2.7 V,
VI = 0 to VCC
–300
–300
µA
IEX||
VCC = 2.3 V,
VO = 5.5 V
125
125
µA
IOZ(PU/PD)k
VCC ≤ 1.2 V, VO = 0.5 V to VCC,
VI = GND or VCC, OE = don’t care
±100
±100
µA
IOZH
VCC =2 7V
VO = 2.3 V,
5
5
µA
IOZH
VCC = 2.7 V
VI = 0.7 V or 1.7 V
5
5
µA
IOZL
VCC =2 7V
VO = 0.5 V,
5
5
µA
IOZL
VCC = 2.7 V
VI = 0.7 V or 1.7 V
–5
–5
µA
VCC = 2.7 V,
Outputs high
0.04
0.1
0.04
0.1
ICC
VCC = 2.7 V,
IO = 0,
Outputs low
2.3
4.5
2.3
4.5
mA
VI = VCC or GND
Outputs disabled
0.04
0.1
0.04
0.1
Ci
VCC = 2.5 V,
VI = 2.5 V or 0
3.5
3.5
pF
Co
VCC = 2.5 V,
VO = 2.5 V or 0
6.5
6.5
pF
† All typical values are at VCC = 2.5 V, TA = 25°C.
‡ The bus-hold circuit can sink at least the minimum low sustaining current at VIL max. IBHL should be measured after lowering VIN to GND and
then raising it to VIL max.
§ The bus-hold circuit can source at least the minimum high sustaining current at VIH min. IBHH should be measured after raising VIN to VCC and
then lowering it to VIH min.
¶ An external driver must source at least IBHLO to switch this node from low to high.
# An external driver must sink at least IBHHO to switch this node from high to low.
|| Current into an output in the high state when VO > VCC
kHigh-impedance state during power up or power down
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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