參數(shù)資料
型號(hào): HEF40193BP
廠商: NXP Semiconductors N.V.
元件分類: 通用總線功能
英文描述: 4-bit up-down binary counter
封裝: HEF40193BP<SOT38-4 (DIP16)|<<http://www.nxp.com/packages/SOT38-4.html<1<Always Pb-free,;HEF40193BT<SOT109-1 (SO16)|<<http://www.nxp.com/packages/SOT109-1.html<1<wee
文件頁(yè)數(shù): 4/19頁(yè)
文件大小: 175K
代理商: HEF40193BP
HEF40193B
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NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 7 — 14 September 2011
4 of 19
NXP Semiconductors
HEF40193B
4-bit up/down binary counter
6. Pinning information
6.1 Pinning
6.2 Pin description
Fig 3.
Pin configuration
HEF40193B
D1
V
DD
Q1
D0
Q0
MR
CPD
TCD
CPU
TCU
Q2
PL
Q3
D2
V
SS
D3
001aae581
1
2
3
4
5
6
7
8
10
9
12
11
14
13
16
15
Table 2.
Symbol
D0 to D3
CPU
CPD
PL
MR
Q0 to Q3
TCU
TCD
V
DD
V
SS
Pin description
Pin
15, 1, 10, 9
5
4
11
14
3, 2, 6, 7
12
13
16
8
Description
parallel data input
count-up clock pulse input (LOW-to-HIGH, edge-triggered)
count-down clock pulse input (LOW-to-HIGH, edge-triggered)
parallel load input (active LOW)
master reset input (asynchronous)
buffered counter output
buffered terminal count-up (carry) output (active LOW)
buffered terminal count-down (borrow) output (active LOW)
supply voltage
ground supply voltage
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