74AHCT244D,112 NXP Semiconductors, 74AHCT244D,112 Datasheet - Page 8

• Manufacturer Part Number: 74AHCT244D,112
• Description: IC BUFF/DVR TRI-ST DUAL 20SOIC
• Manufacturer: NXP Semiconductors
• Series: 74AHCTr

Specifications of 74AHCT244D,112

• Logic Type: Buffer/Line Driver, Non-Inverting
• Number Of Elements: 2
• Number Of Bits Per Element: 4
• Current - Output High, Low: 8mA, 8mA
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Logic Family: AHCT
• Number Of Channels Per Chip: 8
• Polarity: Non-Inverting
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• High Level Output Current: - 8 mA
• Low Level Output Current: 8 mA
• Minimum Operating Temperature: - 40 C
• Number Of Lines (input / Output): 8 / 8
• Output Type: 3-State
• Propagation Delay Time: 8.4 ns at 4.5 V to 5.5 V
• Dc: 0636
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 74AHCT244D; 74AHCT244D; 935261957112

NXP Semiconductors
Table 7.
GND = 0 V. For test circuit see
[1]
[2]
[3]
11. Waveforms
74AHC_AHCT244_5
Product data sheet
Symbol Parameter
For type 74AHCT244
t
t
t
C
pd
en
dis
Fig 6. Propagation delay input (nAn) to output (nYn)
PD
Typical values are measured at nominal supply voltage (V
t
t
t
C
P
f
f
C
V
pd
en
dis
i
o
D
CC
PD
= input frequency in MHz;
L
= output frequency in MHz;
is the same as t
is the same as t
= output load capacitance in pF;
is the same as t
= C
is used to determine the dynamic power dissipation P
= supply voltage in Volts.
Measurement points are given in
V
propagation
delay
enable time
disable time nOE to nYn; see
power
dissipation
capacitance
PD
OL
Dynamic characteristics
and V
V
CC
2
OH
PLH
PZL
f
are typical voltage output levels that occur with the output load.
PLZ
i
+
Conditions
nAn to nYn; see
nOE to nYn; see
per buffer;
C
V
and t
and t
and t
I
L
(C
V
V
V
= GND to V
= 50 pF; f = 1 MHz;
CC
CC
CC
L
C
C
C
C
C
C
PZH
PHL
PHZ
L
L
L
L
L
L
Figure
= 4.5 V to 5.5 V
= 4.5 V to 5.5 V
= 4.5 V to 5.5 V
V
= 15 pF
= 50 pF
= 15 pF
= 50 pF
= 15 pF
= 50 pF
.
.
.
CC
2
nYn output
nAn input
8.
f
…continued
CC
o
Table
) where:
Figure 6
Figure 7
Figure 7
GND
8.
V
V
OH
OL
V
I
Rev. 05 — 20 December 2007
t
PLH
[2]
[2]
[3]
CC
D
Min
( W).
V
= 3.3 V and V
M
-
-
-
-
-
-
-
V
M
25 C
Typ
3.5
5.0
3.5
5.5
5.0
7.0
12
[1]
74AHC244; 74AHCT244
CC
Max
10.4
11.4
11.4
7.4
8.4
9.4
= 5.0 V).
-
V
M
V
M
40 C to +85 C
Min
1.0
1.0
1.0
1.0
1.0
1.0
t
PHL
-
mna171
Octal buffer/line driver; 3-state
Max
12.0
13.0
10.0
13.0
8.5
9.5
-
40 C to +125 C Unit
Min
1.0
1.0
1.0
1.0
1.0
1.0
-
© NXP B.V. 2007. All rights reserved.
Max
10.5
13.0
14.5
12.0
14.5
9.5
-
8 of 16
ns
ns
ns
ns
ns
ns
pF