GM71C17800C

GM71CS17800CL

Rev 0.1 / Apr’01

Symbol

Parameter

Note

Input Capacitance (Address)

Input Capacitance (Clocks)

Output Capacitance (Data-In/Out)

1

1

1, 2

Unit

pF

pF

pF

Max

5

7

7

Min

-

-

-

Note: 1. Capacitance measured with Boonton Meter or effective capacitance measuring method.

Test Conditions

Input rise and fall times : 5 ns

Output timing reference levels : 0.4V, 2.4V

Input timing reference levels : 0.8V, 2.4V

(Including scope and jig)

Read, Write, Read-Modify-Write and Refresh Cycles (Common Parameters)

Symbol

Parameter

Note

Max

Unit

Min

Max

Min

Max

Min

Random Read or Write Cycle Time

90

-

110

-

130

-

RAS Precharge Time

30

-

40

-

50

-

RAS Pulse Width

50

10,000

CAS Pulse Width

10,000

10,000

10,000

15

18

Row Address Set up Time

0

-

-

-

0

0

Row Address Hold Time

7

-

-

-

10

10

Column Address Set-up Time

0

-

-

-

0

0

Column Address Hold Time

-

-

-

10

15

RAS to CAS Delay Time

17

45

45

52

20

20

3

RAS to Column Address Delay Time

12

30

30

35

15

15

4

RAS Hold Time

13

-

-

-

15

18

CAS Hold Time

50

-

-

-

60

70

CAS to RAS Precharge Time

5

-

-

-

5

5

Transition Time (Rise and Fall)

3

50

50

50

3

3

7

0

-

-

-

0

0

0

-

-

-

0

0

GM71C(S)17800

C/CL-5

13

-

-

-

15

18

5

6

6

CAS Precharge Time

7

-

10

-

10

-

GM71C(S)17800

C/CL-6

GM71C(S)17800

C/CL-7

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

13

7