mt8vddt3264ag-26a Micron Semiconductor Products, mt8vddt3264ag-26a Datasheet - Page 13

• Manufacturer Part Number: mt8vddt3264ag-26a
• Description: 256mb, 512mb X64, Sr 184-pin Ddr Sdram Udimm
• Manufacturer: Micron Semiconductor Products

Serial Presence-Detect
Table 12:
Table 13:
Serial Presence-Detect Data
PDF: 09005aef80867ab3/Source: 09005aef80867a99
DD8C32_64x64A.fm - Rev. J 8/08 EN
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
Power supply current: SCL clock frequency = 100 kHz
Parameter/Condition
SCL LOW to SDA data-out valid
Time the bus must be free before a new transition can start
Data-out hold time
Clock/data fall time
Clock/data rise time
Data-in hold time
Start condition hold time
Clock HIGH period
Noise suppression time constant at SCL, SDA inputs
Clock LOW period
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 (
For the latest serial presence-detect data, refer to Micron's SPD page:
www.micron.com/SPD.
= GND to V
DD
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-
tance, and the EEPROM does not respond to its slave address.
- 0.3V; All other inputs = V
DD
DD
256MB, 512MB (x64, SR) 184-Pin DDR SDRAM UDIMM
13
SS
or V
DD
t
WRC) is the time from a valid stop condition of a write
Micron Technology, Inc., reserves the right to change products or specifications without notice.
t
Symbol
Symbol
t
t
t
t
HD:DAT
V
HD:STA
SU:DAT
SU:STO
SU:STA
t
t
t
t
HIGH
DDSPD
LOW
f
WRC
t
t
V
BUF
V
V
I
I
SCL
I
AA
DH
I
t
LO
CC
t
SB
t
OL
LI
F
R
IH
IL
I
V
DDSPD
Min
200
100
0.2
1.3
0.6
0.6
1.3
0.6
0.6
0
–
–
–
–
–
Min
–1.0
2.3
–
–
–
–
–
Serial Presence-Detect
× 0.7 V
©2003 Micron Technology, Inc. All rights reserved.
Max
300
300
400
0.9
50
10
–
–
–
–
–
–
–
–
–
V
DDSPD
DDSPD
Max
3.6
0.4
2.0
10
10
30
Units
kHz
+ 0.5
× 0.3
ms
µs
µs
ns
ns
ns
µs
µs
µs
ns
µs
ns
µs
µs
Notes
Units
mA
µA
µA
µA
V
V
V
V
1
2
2
3
4