mt18lsdt1672ag-10e Micron Semiconductor Products, mt18lsdt1672ag-10e Datasheet - Page 21

• Manufacturer Part Number: mt18lsdt1672ag-10e
• Description: 64mb X72, Ecc, Sr , 128mb X72, Ecc, Dr 168-pin Sdram Udimm
• Manufacturer: Micron Semiconductor Products

Table 20: Serial Presence-Detect EEPROM DC Operating Conditions
All voltages referenced to V
Table 21: Serial Presence-Detect EEPROM AC Operating Conditions
All voltages referenced to V
NOTE:
09005aef807b3709
SD9_18C8_16x72AG.fm - Rev. E 6/04 EN
1. To aviod spurious START and STOP conditions, a minimum delay is placed between SCL=1 and the falling or rising
2. This parameter is sampled.
3. For a reSTART condition, or following a WRITE cycle.
4. The SPD EEPROM WRITE cycle time (
PARAMETER/CONDITION
PARAMETER/CONDITION
SUPPLY VOLTAGE
INPUT HIGH VOLTAGE: Logic 1; All inputs
INPUT LOW VOLTAGE: Logic 0; All inputs
OUTPUT LOW VOLTAGE: I
INPUT LEAKAGE CURRENT: V
OUTPUT LEAKAGE CURRENT: V
STANDBY CURRENT: SCL = SDA = V
inputs = V
POWER SUPPLY CURRENT:
SCL LOW to SDA data-out valid
Time the bus must be free before a new transition can start
Data-out hold time
SDA and SCL fall time
Data-in hold time
Start condition hold time
Clock HIGH period
Noise suppression time constant at SCL, SDA inputs
Clock LOW period
SDA and SCL rise time
SCL clock frequency
Data-in setup time
Start condition setup time
Stop condition setup time
WRITE cycle time
edge of SDA.
the EEPROM internal erase/program cycle. During the WRITE cycle, the EEPROM bus interface circuit is disabled, SDA
remains HIGH due to pull-up resistor, and the EEPROM does not respond to its slave address.
SS
or V
DD
OUT
SS
SS
= 3mA
IN
; V
; V
= GND to V
OUT
DDSPD
DDSPD
= GND to V
DD
= +3.3V ±0.3V
= +3.3V ±0.3V
- 0.3V; All other
t
WRC) is the time from a valid stop condition of a write sequence to the end of
DD
DD
64MB x72, ECC, SR), 128MB (x72, ECC, DR)
21
SYMBOL
I
I
CC
CC
V
V
I
V
V
I
CCS
Write
I
LO
Read
DD
OL
LI
IH
IL
Micron Technology, Inc., reserves the right to change products or specifications without notice.
SYMBOL
t
t
t
t
t
HD:DAT
HD:STA
SU:DAT
SU:STA
SU:STO
t
t
t
t
HIGH
LOW
f
WRC
t
t
BUF
SCL
AA
DH
t
t
t
F
R
I
168-PIN SDRAM UDIMM
V
DD
MIN
-10
-10
-1
3
–
–
–
–
x 0.7
MIN
200
100
0.2
1.3
0.6
0.6
1.3
0.6
0.6
0
V
V
DD
DD
MAX
MAX
300
400
0.9
0.3
3.6
0.4
50
10
10
10
30
3
1
+ 0.5
x 0.3
UNITS
KHz
ms
µs
µs
ns
ns
µs
µs
µs
ns
µs
µs
ns
µs
µs
©2004 Micron Technology, Inc.
UNITS
mA
µA
µA
µA
V
V
V
V
NOTES
1
2
2
3
4