74HCT257DB,112 NXP Semiconductors, 74HCT257DB,112 Datasheet - Page 4

• Manufacturer Part Number: 74HCT257DB,112
• Description: IC QUAD 2-IN MUX 3ST INV 16-SSOP
• Manufacturer: NXP Semiconductors
• Series: 74HCTr
• Type: Multiplexerr

Specifications of 74HCT257DB,112

• Package / Case: 16-SSOP
• Circuit: 4 x 2:1
• Independent Circuits: 1
• Current - Output High, Low: 6mA, 6mA
• Voltage Supply Source: Single Supply
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Product: Multiplexer
• Logic Family: 74HCT
• Number Of Bits: 4
• Number Of Lines (input / Output): 2.0 / 4.0
• Propagation Delay Time: 45 ns
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Number Of Input Lines: 2.0
• Number Of Output Lines: 4.0
• Power Dissipation: 500 mW
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 568-2813-5; 935190960112

NXP Semiconductors
5. Pinning information
Table 2.
6. Functional description
Table 3.
[1]
74HC_HCT257_5
Product data sheet
Symbol
S
1I0 to 4I0
1I1 to 4I1
1Y to 4Y
GND
OE
V
Control
OE
H
L
L
L
L
Fig 5.
CC
H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state.
Pin configuration DIP16, SO16, SSOP16 and TSSOP16
Pin description
Function table
Pin
1
2, 5, 11, 14
3, 6, 10, 13
4, 7, 9, 12
8
15
16
5.1 Pinning
5.2 Pin description
6.1 Function table
S
X
H
H
L
L
[1]
Description
common data select input
data input from source 0
data input from source 1
3-state multiplexer output
ground (0 V)
3-state output enable input (active LOW)
supply voltage
GND
1I0
1I1
2I0
2I1
1Y
2Y
S
1
2
3
4
5
6
7
8
Rev. 05 — 13 January 2010
Input
nl0
X
X
X
L
H
74HCT257
74HC257
001aad499
16
15
14
13
12
11
10
9
nl1
X
L
H
X
X
74HC257; 74HCT257
V
OE
4I0
4I1
4Y
3I0
3I1
3Y
CC
Quad 2-input multiplexer; 3-state
Output
nY
Z
L
H
L
H
© NXP B.V. 2010. All rights reserved.
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