AT16245F-20XC 데이터 시트보기 (PDF) - Atmel Corporation
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AT16245F-20XC Datasheet PDF : 6 Pages
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AT16245
AC Characteristics
AT16245F
Applicable over recommended operating range from Ta=0°C to +70°C, VCC=5.0V ±5% (unless otherwise noted)
Symbol
Parameter
Test Conditions Min Typ Max
Units
tPHL
tPLH
Propagation Delay
tPZH
tPZL
Output Enable Time
tPHZ
tPLZ
tSK(1)
∆tPHL(1)
∆tPLH
Output Disable Time
Output Skew
Propagation Delay vs Output Loading
Note: 1. This parameter is guaranteed but not 100% tested.
CL=50 pF
CL=50 pF
CL=50 pF
CL=50 pF
2.5
6.0
6.0
0.5
1.3 1.5
ns
ns
ns
ns
ns/100pF
AT16245G
Applicable over recommended operating range from Ta=0°C to +70°C, VCC=5.0V ±5% (unless otherwise noted)
Symbol
Parameter
TPHL
TPLH
Propagation Delay
TPZH
TPZL
Output Enable Time
TPHZ
TPLZ
Output Disable Time
TSK(1)
Output Skew
∆tPHL(1)
∆tPLH
Propagation Delay vs Output Loading
Note: 1. This parameter is guaranteed but not 100% tested.
Test Conditions Min Typ Max
CL=50 pF
2.0
Units
ns
CL=50 pF
6.0
ns
CL=50 pF
CL=50 pF
5.0
0.5
0.9 1.1
ns
ns
ns/100pF
Test Circuits(1,2)
Note:
1. Pulse Generator: Rate ≤ 1.0 MHz, tF ≤2.5 ns,
tR ≤ 2.5 ns.
2. AC tests are done with a single bit switching, and
timings need to be derated when multiple outputs are
switching in the same direction simultaneously. This
derating should not exceed 0.5 ns for 16 inputs
switching simultaneously.
Switch Position
Test
Switch
Open Drain
Disable Low
Enable Low
Closed
All Other Tests
Open
Definitions:
CL = Load capacitance; Includes jig and probe capacitance.
RT = Termination resistance; Should be equal to
ZOUT of the Pulse Generator.
5-11
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