HANBit

HMD1M4Z1

URL:www.hbe.co.kr

HANBit Electronics Co.,Ltd.

REV.1.0(August.2002)

3

Note: 1. Icc depends on output load condition when the device is selected.

Icc (max) is specified at the output open condition.

o

C, Vcc = 5V+/- 10%, f = 1Mhz )

DESCRIPTION

SYMBOL

MIN

MAX

UNITS

NOTE

Input Capacitance (A0-A9)

-

5

pF

1

Input Capacitance (/WE,/RAS, /CAS0-

/CAS3,/OE)

-

7

pF

1,2

Input/Output Capacitance (DQ0-31)

-

7

pF

1,2

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

2. /CAS = VIH to disable DOUT.

o

C

≤ T

oC , Vcc = 5V±10%, V

-5

-6

SYMBOL

PARAMETER

MIN

MAX

MIN

MAX

UNIT

NOTE

Random Read or Write Cycle Time

90

110

ns

Read-modify-writer cycle time

132

152

ns

Access Time from /RAS

50

60

ns

3,4,10

Access Time from /CAS

15

15

ns

3,4,5

Access Time from Column Address

25

30

ns

3,10

Output Buffer Turn-off Time

0

12

0

12

ns

6

Transition Time (Rise and Fall)

3

50

3

50

ns

2

/RAS Precharge Time

30

40

ns

/RAS Pulse Width

50

10K

60

10K

ns

/RAS Hold Time

15

15

ns

/CAS Hold Time

50

60

ns

/CAS Pulse Width

15

10K

15

10K

ns

/RAS to /CAS Delay Time

20

35

20

45

ns

4

/RAS to Column Address Delay Time

15

25

15

30

ns

10

/CAS to /RAS Precharge Time

5

5

ns

Row Address Setup Time

0

0

ns

Row Address Hold Time

10

10

ns

Column Address Setup Time

0

0

ns

11

Column Address Hold Time

10

10

ns

11

Column Address to /RAS Lead Time

25

30

ns

Read Command Setup Time

0

0

ns