8214/3214

A.C. CHARACTERISTICS TA = o°c to +70°C, VCC = +5V ±5%

 

 

 

 

 

 

 

limits

 

 

Symbol

Parameter

Min.

Typ.(1)

Max.

Unit

tCY

ClK Cycle Time

80

50

 

ns

tpw

ClK, ECS, INT Pulse Width

25

15

 

ns

tlSS

INTE Setup Time to ClK

16

12

 

ns

tlSH

INTE Hold Time after ClK

20

10

 

ns

tETCS[21

ETlG Setup Time to ClK

25

12

 

ns

tETCH[21

ETlG Hold Time After ClK

20

10

 

ns

tECCS[21

ECS Setup Time to ClK

80

25

 

ns

tECCH[31

ECS Hold Time After ClK

0

 

 

ns

tECRS[31

ECS Setup Time to ClK

110

70

 

ns

tECRH[31

ECS Hold Time After ClK

0

 

 

 

tECSS[21

ECS Setup Time to ClK

75

70

 

n.

---

 

 

 

 

 

tECSH[21

ECS Hold Time After ClK

0

 

 

ns

tocs[21

SGS and Bo·B2 Setup Time to ClK

70

50

 

ns

tOCH[21

SGS and Bo·B2 Hold Time After ClK

0

 

 

ns

tRCS[31

Ro·R 7 Setup Time to ClK

90

55

 

ns

tRCH[31

RO·R7 Hold Time After ClK

0

 

 

ns

tiCS

INT Setup Time to ClK

55

35

 

ns

tCI

ClK to INT Propagation Delay

 

15

25

ns

tRIS[41

RO·R7 Setup Time to INT

10

0

 

ns

tRIH[41

Ro·R7 Hold Time After INT

35

20

 

ns

tRA

Ro ·R7 to AO·A2 Propagation Delay

 

80

100

ns

tELA

E lR to Ao·A2 Propagation Delay

 

40

55

ns

tECA

ECS to Ao ·A2 Propagation Delay

 

100

120

ns

tETA

ETlG to Ao·A2 Propagation Delay

 

35

70

ns

tOECS[41

SGS and Bo·B2 Setup Time to ECS

15

10

 

ns

tOECH[41

SGS and Bo ·B2 Hold Time After ECS

15

10

 

ns

tREN

Ro ·R 7 to EN lG Propagation Delay

 

45

70

ns

tETEN

ETlG to ENlG Propagation Delay

 

20

25

ns

tECRN

ECS to ENlG Propagation Delay

 

85

90

ns

tECSN

ECS to ENlG Propagation Delay

 

35

55

ns

CAPACITANCE[S)

 

 

 

 

 

 

 

limits

 

 

Symbol

Parameter

Min.

Typ.l11

Max

Unit

CIN

Input Capacitance

 

5

10

pF

COUT

Output Capacitance

 

7

12

pF

Test Conditions: VSIAS =2.5V, vcc =5V, TA =25°C, f = 1 MHz

NOTE 5. This parameter is periodically sampled and not 100% tested.

8-36

"FN·00210"-o3

Page 297
Image 297
Intel mcs-48 manual 8214/3214, Capacitances