74HCT257D NXP Semiconductors, 74HCT257D Datasheet - Page 3

• Manufacturer Part Number: 74HCT257D
• Description: IC, LOGIC, 74HCT, MULTIPLEXER, SO16
• Manufacturer: NXP Semiconductors

Specifications of 74HCT257D

• Logic Type: Multiplexer
• No. Of Outputs: 4
• Supply Voltage Range: 4.5V To 5.5V
• Logic Case Style: SOIC
• No. Of Pins: 16
• Operating Temperature Range: -40°C To +125°C
• Svhc: No SVHC (18-Jun-2010)
• Package: RoHS Compliant
• Logic Ic Base Number: 74257
• Rohs Compliant: Yes

NXP Semiconductors
74HC_HCT257_5
Product data sheet
Fig 3.
Fig 4.
Functional diagram
Logic diagram
15
1
1I0
1I1
2I0
2I1
3I0
3I1
4I0
4I1
OE
S
S
OE
2
1I 0
1Y
4
Rev. 05 — 13 January 2010
3-STATE MULTIPLEXER OUTPUTS
3
1I 1
5
2I 0
SELECTOR
2Y
7
6
2I 1
11
3I 0
3Y
9
10
3I 1
74HC257; 74HCT257
14
4I 0
001aad468
4Y
12
13
4I 1
mgr280
Quad 2-input multiplexer; 3-state
1Y
2Y
3Y
4Y
© NXP B.V. 2010. All rights reserved.
3 of 17