Datasheet

SN54LV163A, SN74LV163A
4-BIT SYNCHRONOUS BINARY COUNTERS
SCLS405F − APRIL 1998 − REVISED APRIL 2005
10
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range,
V
CC
= 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM TO LOAD
T
A
= 25°C SN54LV163A SN74LV163A
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN TYP MAX MIN MAX MIN MAX
UNIT
f
C
L
= 15 pF 135* 210* 115* 115
MHz
f
max
C
L
= 50 pF 95 160 85 85
MHz
Q
4.7* 8.1* 1* 9.5* 1 9.5
t
CLK
RCO
(count mode)
C 15 pF
5.2* 8.1* 1* 9.5* 1 9.5
ns
t
pd
C
RCO
(preset mode)
C
L
= 15 pF
6.4* 10.3* 1* 12* 1 12
ns
ENT RCO
4.9* 8.1* 1* 9.5* 1 9.5
Q
6.1 10.1 1 11.5 1 11.5
t
CLK
RCO
(count mode)
C =50pF
6.6 10.1 1 11.5 1 11.5
ns
t
pd
C
RCO
(preset mode)
C
L
= 50 pF
7.8 12.3 1 14 1 14
ns
ENT RCO
6.3 10.1 1 11.5 1 11.5
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
noise characteristics, V
CC
= 3.3 V, C
L
= 50 pF, T
A
= 25°C (see Note 6)
PARAMETER
SN74LV163A
UNIT
PARAMETER
MIN TYP MAX
UNIT
V
OL(P)
Quiet output, maximum dynamic V
OL
0.3 0.8 V
V
OL(V)
Quiet output, minimum dynamic V
OL
−0.2 −0.8 V
V
OH(V)
Quiet output, minimum dynamic V
OH
3 V
V
IH(D)
High-level dynamic input voltage 2.31 V
V
IL(D)
Low-level dynamic input voltage 0.99 V
NOTE 6: Characteristics are for surface-mount packages only.
operating characteristics, T
A
= 25°C
PARAMETER TEST CONDITIONS V
CC
TYP UNIT
C
Power dissipation capacitance
C =50pF
f = 10 MHz
3.3 V 23.8
pF
C
pd
Power dissipation capacitance C
L
= 50 pF, f = 10 MHz
5 V 26
pF
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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.