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HD151012

8-bit Binary Programmable Counter with Synchronous Preset Enable

Hitachi -> Renesas Electronics 

HD151012

Switching Characteristics (CL = 50 pF, tr = tf = 6 ns)

Sym-

Ta = 25°C

Ta =

–40 to 85°C

Item

Maximum clock

frequency

bol VCC Min Typ Max Min Max Unit Test Conditions

fmax 2.0 —

—

4

—3

MHz

4.5 — 36 20 — 16

6.0 — — 24 — 19

Output rise/fall time tTLH 2.0 — 30 75 — 95 ns

tTHL 4.5 —

8

15 — 19

6.0 — 7 13 — 16

Propagation delay

time

tPLH 2.0 — — 300 — 380

tPHL 4.5 — 35 60 — 75

6.0 — — 53 — 65

CLK or CLK to Q

tPLH 2.0 — — 150 — 185

tPHL 4.5 — 18 30 — 38

6.0 — — 25 — 32

PR or CLR to Q

Pulse width

tw 2.0 80 — — 100 — ns

(CLK, CLK, PR, CLR)

4.5 16 — — 20 —

6.0 14 — — 17 —

Setup time

ts 2.0 100 — — 125 — ns

(Jn - CLK, CLK)

4.5 20 — — 25 —

(SPE, CLK, CLK)

6.0 17 — — 21 —

Hold time

th 2.0 15 — — 15 — ns

(Jn - CLK, CLK)

4.5 10 — — 10 —

(SPE, CLK, CLK)

6.0 5 — — 5 —

Input capacitance

Power dissipation

capacitance*1

CIN

—

—

5

10 — 10 pF

CPD — — 48 — — — pF

Note:

1. CPD is equivalent capacitance inside of the IC calculated from the operating current without load

(see test circuit). The average operating current without load is calculated according to the

expression below.

ICC (opr) = CPD • VCC • fIN + ICC

6

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