mt18hts25672pky-53e Micron Semiconductor Products, mt18hts25672pky-53e Datasheet - Page 13

• Manufacturer Part Number: mt18hts25672pky-53e
• Description: 2gb, 4gb X72, Dr 244-pin Ddr2 Mini-rdimm
• Manufacturer: Micron Semiconductor Products

Serial Presence-Detect
Table 14:
Table 15:
PDF: 09005aef82218d23/Source: 09005aef82218d00
HTS18C256_512x72K.fm - Rev. B 9/07 EN
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
Power supply current, READ: SCL clock frequency = 100 kHz
Power supply current, WRITE: SCL clock frequency = 100 kHz
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
Serial Presence-Detect EEPROM DC Operating Conditions
Serial Presence-Detect EEPROM AC Operating Conditions
Notes:
OUT
IN
= 3mA
OUT
= GND to V
1. To avoid spurious start and stop conditions, a minimum delay is placed between SCL = 1 and
2. This parameter is sampled.
3. For a restart condition, or following a WRITE cycle.
4. The SPD EEPROM WRITE cycle time (
= GND to V
the falling or rising edge of SDA.
sequence to the end of the EEPROM internal ERASE/PROGRAM cycle. During the WRITE
cycle, the EEPROM bus interface circuit is disabled, SDA remains HIGH due to pull-up resis-
tor, and the EEPROM does not respond to its slave address.
DD
DD
2GB, 4GB (x72, DR) 244-Pin DDR2 Mini-RDIMM
13
t
Symbol
Symbol
t
t
t
t
HD:DAT
V
HD:STA
SU:DAT
SU:STA
SU:STO
t
t
t
t
t
HIGH
DDSPD
LOW
f
WRC
I
t
t
WRC) is the time from a valid stop condition of a write
V
I
BUF
V
V
I
CC
SCL
I
AA
DH
CC
I
t
t
LO
SB
t
OL
LI
R
IH
F
I
IL
Micron Technology, Inc., reserves the right to change products or specifications without notice.
W
R
V
Min
DDSPD
200
100
0.2
1.3
0.6
0.6
1.3
0.6
0.6
–
0
–
–
–
–
Min
–0.6
0.10
0.05
1.7
1.6
0.4
2
–
× 0.7
Max
300
400
Serial Presence-Detect
0.9
0.3
50
10
–
–
–
–
–
–
–
–
–
©2006 Micron Technology, Inc. All rights reserved.
V
V
DDSPD
DDSPD
Max
3.6
0.4
Units
3
3
4
1
3
kHz
ms
µs
µs
ns
ns
µs
µs
µs
ns
µs
µs
ns
µs
µs
+ 0.5
× 0.3
Notes
Units
mA
mA
µA
µA
µA
1
2
2
3
4
V
V
V
V