74HCT193DB,112 NXP Semiconductors, 74HCT193DB,112 Datasheet - Page 6

• Manufacturer Part Number: 74HCT193DB,112
• Description: IC SYNC 4BIT UP/DWN COUNT 16SSOP
• Manufacturer: NXP Semiconductors
• Series: 74HCTr

Specifications of 74HCT193DB,112

• Package / Case: 16-SSOP
• Logic Type: Binary Counter
• Direction: Up, Down
• Number Of Elements: 1
• Number Of Bits Per Element: 4
• Reset: Asynchronous
• Timing: Synchronous
• Count Rate: 43MHz
• Trigger Type: Positive Edge
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 568-2799-5; 935189730112

NXP Semiconductors
6. Functional description
Table 3.
[1]
[2]
[3]
74HC_HCT193_3
Product data sheet
Operating mode
Reset (clear)
Parallel load
Count up
Count down
H = HIGH voltage level
L = LOW voltage level
X = don’t care
TCU = CPU at terminal count up (HHHH)
TCD = CPD at terminal count down (LLLL).
= LOW-to-HIGH clock transition.
Function table
[1]
Inputs
MR
H
H
L
L
L
L
L
L
PL
X
X
L
L
L
L
H
H
CPU CPD D0
X
X
X
X
L
H
H
Rev. 03 — 23 May 2007
L
H
L
H
X
X
H
X
X
L
L
H
H
X
X
Presettable synchronous 4-bit binary up/down counter
D1
X
X
L
L
H
H
X
X
D2
X
X
L
L
H
H
X
X
74HC193; 74HCT193
D3
X
X
L
L
H
H
X
X
Outputs
Q0
L
L
L
L
H
H
count up
count down
L
L
L
L
H
H
Q1
Q2
L
L
L
L
H
H
© NXP B.V. 2007. All rights reserved.
Q3
L
L
L
L
H
H
TCU TCD
H
H
H
H
L
H
H
H
[2]
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L
H
L
H
H
H
H
H
[3]