74AHCT244D,112 NXP Semiconductors, 74AHCT244D,112 Datasheet - Page 3

• 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
5. Pinning information
Table 2.
74AHC_AHCT244_5
Product data sheet
Symbol
1OE
1A[0:3]
2A[0:3]
1Y[0:3]
2Y[0:3]
GND
2OE
V
Fig 4. Pin configuration SO20, TSSOP20
CC
Pin description
GND
1OE
1A0
2Y0
1A1
2Y1
1A2
2Y2
1A3
2Y3
Pin
1
2, 4, 6, 8
17, 15, 13, 11 data input
18, 16, 14, 12 data output
3, 5, 7, 9
10
19
20
10
1
2
3
4
5
6
7
8
9
5.1 Pinning
5.2 Pin description
74AHCT244
74AHC244
Description
output enable input (active LOW)
data input
data output
ground (0 V)
output enable input (active LOW)
supply voltage
001aae258
20
19
18
17
16
15
14
13
12
11
V
2OE
1Y0
2A0
1Y1
2A1
1Y2
2A2
1Y3
2A3
CC
Rev. 05 — 20 December 2007
Fig 5. Pin configuration DHVQFN20
(1) The die substrate is attached to this pad using
74AHC244; 74AHCT244
conductive die attach material. It can not be used as
a supply pin or input.
index area
terminal 1
1A0
2Y0
1A1
2Y1
1A2
2Y2
1A3
2Y3
Transparent top view
2
3
4
5
6
7
8
9
Octal buffer/line driver; 3-state
74AHCT244
74AHC244
GND
(1)
19
18
17
16
15
14
13
12
001aah079
© NXP B.V. 2007. All rights reserved.
2OE
1Y0
2A0
1Y1
2A1
1Y2
2A2
1Y3
3 of 16