HEF4518BT,653 NXP Semiconductors, HEF4518BT,653 Datasheet - Page 4

• Manufacturer Part Number: HEF4518BT,653
• Description: IC BCD COUNTER DUAL 16SOIC
• Manufacturer: NXP Semiconductors
• Series: 4000Br

Specifications of HEF4518BT,653

• Package / Case: 16-SOIC (3.9mm Width)
• Logic Type: BCD Counter
• Direction: Up
• Number Of Elements: 2
• Number Of Bits Per Element: 4
• Reset: Asynchronous
• Count Rate: 40MHz
• Trigger Type: Positive, Negative
• Voltage - Supply: 4.5 V ~ 15.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Timing: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 933373230653; HEF4518BTD-T; HEF4518BTD-T

NXP Semiconductors
7. Functional description
Table 3.
[1]
HEF4518B_6
Product data sheet
nCP0
↑
L
↓
X
↑
H
X
Fig 4.
H = HIGH voltage level; L = LOW voltage level; X = don’t care; ↑ = positive-going transition; ↓ = negative-going transition.
Timing diagram
Function table
nCP0
nCP1
nMR
nQ0
nQ1
nQ2
nQ3
[1]
1
1
nCP1
H
↓
X
↑
L
↓
X
2
2
3
3
4
4
5
5
Rev. 06 — 10 December 2009
6
6
7
7
8
8
9
9
nMR
L
L
L
L
L
L
H
10
0
11
1
12
2
13
3
14
4
15
5
16
6
17
Mode
counter advances
counter advances
no change
no change
no change
no change
nQ0 to nQ3 = LOW
7
18
8
001aae703
HEF4518B
9
Dual BCD counter
© NXP B.V. 2009. All rights reserved.
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