English
Language : 

HCTL-2032 Datasheet, PDF (7/20 Pages) Agilent(Hewlett-Packard) – Quadrature Decoder/Counter Interface ICs
◁
Switching Characteristics
Table 5. Switching Characteristics
Max/Min specifications at VDD = 5.0 ± 5%, TA = -40 to +100 OC, CL = 40 pf
Symbol Description
Min.
1
tCLK
2
tCHH
3
tCD
Clock Period
Pulse width, clock high
1/f
Delay time, rising edge of clock to valid, updated count information on
D0-7
4
tODE
5
tODZ
6
tSDV
Delay time, OEN fall to valid data
Delay time, OEN rise to Hi-Z state on D0-7
Delay time, SEL0~SEL1 valid to stable, selected data byte (delay to
High Byte = delay to Low Byte)
7 tXNYDV Delay time, XNY valid to stable, selected data byte.
8
tCLH
Pulse width, clock low
9
tSS
Setup time, SEL1~SEL2 before clock fall
10 tOS
Setup time, OEN before clock fall
11 tXNYS
Setup time, XNY before clock fall
12 tSH
Hold time, SEL1~SEL2 after clock fall
13 tOH
Hold time, OEN after clock fall
14 tXNYH Hold time, XNY after clock fall
15 tRST
Pulse width, RSTNX~RSTNY low
16 tDCD
Hold time, last position count stable on D0-7 after clock rise
17 tDSD
Hold time, last data byte stable after next SEL state change
18 tDOD
Hold time, data byte stable after OEN rise
19 tDXNYD Hold time, data byte stable after XNY change
20 tUDDX Delay time, U/DNX valid after clock rise
21 tUDDY Delay time, U/DNY valid after clock rise
22 tCHXD Delay time, CNTDECX or CNTCASX high after clock rise
23 tCHYD
Delay time, CNTDECY or CNTCASY high after clock rise
24 tCLXD
Delay time, CNTDECX or CNTCASX low after clock fall
25 tCLYD
Delay time, CNTDECY or CNTCASY low after clock fall
26 tUDXH Hold time, U/DNX stable after clock rise
27 tUDYH Hold time, U/DNY stable after clock rise
28 tUDCXS Setup time, U/DNX valid before CNTDECX or CNTCASX rise
29 tUDCYS Setup time, U/DNY valid before CNTDECY or CNTCASY rise
30 tUDCXH Hold time, U/DNX stable after CNTDECX or CNTCASX rise
31 tUDCYH Hold time, U/DNY stable after CNTDECY or CNTCASY: rise
Notes
1. tclk − max delay (item 20/21) + min delay (item 22/23)
2. tclk − max delay (item 22/23) + min delay (item 20/21)
15
12
12
12
0
0
0
10
2
2
2
2
4
4
4
4
4
4
2
2
Note 1
Note 1
Note 2
Note 2
Max.
33
31
29
29
29
29
29
29
31
31
31
31
Units
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
7
 ▷