4-338

AC Testing Input, Output Waveform

A.C. Testing: All input signals (other than CLK) must switch

A.C. Test Circuit

SYMBOL

PARAMETER

8MHz

10MHz

12MHz

UNITS

TEST

CONDITIONS

MIN

MAX

MIN

MAX

MIN

MAX

TIMING REQUIREMENTS

(1) TCLCL

CLK Cycle Period

125

-

100

-

83

-

ns

(2) TCLCH

CLK Low Time

55

-

50

-

34

-

ns

(3) TCHCL

CLK High Time

40

-

37

-

34

-

ns

(4) TSVCH

Status Active Setup Time

35

-

35

-

35

-

ns

(5) TCHSV

Status Inactive Hold Time

10

-

10

-

5

-

ns

(6) TSHCL

Status Inactive Setup Time

35

-

35

-

35

-

ns

(7) TCLSH

Status Active Hold Time

10

-

10

-

5

-

ns

TIMING RESPONSES

(8) TCVNV

Control Active Delay

5

45

5

45

5

45

ns

1

(9) TCVNX

Control Inactive Delay

10

45

10

45

10

35

ns

1

(10) TCLLH

ALE Active Delay (from CLK)

-

20

-

20

-

20

ns

1

(11) TCLMCH

MCE Active Delay (from CLK)

-

25

-

23

-

23

ns

1

(12) TSVLH

ALE Active Delay (from Status)

-

20

-

20

-

20

ns

1

(13) TSVMCH

MCE Active Delay (from Status)

-

30

-

23

-

23

ns

1

(14) TCHLL

ALE Inactive Delay

4

18

4

18

4

18

ns

1

(15) TCLML

Command Active Delay

5

35

5

35

5

35

ns

2

(16) TCLMH

Command Inactive Delay

5

35

5

35

5

35

ns

2

(17) TCHDTL

Direction Control Active Delay

-

50

-

50

-

50

ns

1

(18) TCHDTH

Direction Control Inactive Delay

-

30

-

30

-

30

ns

1

(19) TAELCH

Command Enable Time (Note 1)

-

40

-

40

-

40

ns

3

(20) TAEHCZ

Command Disable Time

(Note 2)

-40-40

-40

ns

4

(21) TAELCV

Enable Delay Time

110

250

110

250

110

250

ns

2

(22) TAEVNV

AEN to DEN

-

25

-

25

-

25

ns

1

(23) TCEVNV

CEN to DEN, PDEN

-

25

-

25

-

25

ns

1

(24) TCELRH

CEN to Command

-

TCLML

+10

-

TCLML

-

TCLML

ns

2

(25) TLHLL

ALE High Time

TCLCH -

10

-

TCLCH -

10

-

TCLCH -

10

nns

1

NOTES:

1. TAELCH measurement is between 1.5V and 2.5V.

2. TAEHCZ measured at 0.5V change in VOUT.

1.5V

1.5V

INPUT

OUTPUT

TABLE 2. TEST CONDITION DEFINITION TABLE

TEST CONDITION

V1

R1

C1

1

2.13V

220

Ω

80pF

2

2.29V

91

Ω

300pF

3

1.5V

187

Ω

300pF

4

1.5V

187

Ω

50pF

TEST

POINT

V1

C1 (SEE NOTE)

R1

OUTPUT FROM

DEVICE

UNDER TEST

NOTE:

INCLUDES STRAY AND JIG CAPACITANCE

82C88