w3e16m72s-xbx White Electronic Designs Corporation, w3e16m72s-xbx Datasheet - Page 11

• Manufacturer Part Number: w3e16m72s-xbx
• Description: 16mx72 Sdram
• Manufacturer: White Electronic Designs Corporation

February 2005
Rev. 7
Parameter/Condition
Supply Voltage
I/O Supply Voltage
Input Leakage Current: Any input 0V ≤ V
Input Leakage Address Current (All other pins not under test = 0V)
Output Leakage Current: I/Os are disabled; 0V ≤ V
Output Levels: Full drive option
High Current (V
Low Current (V
Output Levels: Reduced drive option
High Current (V
Low Current (V
I/O Reference Voltage (6)
I/O Termination Voltage (53)
Parameter/Condition
Input High (Logic 1) Voltage:
Input Low (Logic 0) Voltage:
Parameter/Condition
OPERATING CURRENT: One bank; Active-Precharge; t
per clock cyle; Address and control inputs changing once every two clock cycles; (22, 48)
OPERATING CURRENT: One bank; Active-Read-Precharge; Burst = 2; t
control inputs changing once per clock cycle (22, 48)
PRECHARGE POWER-DOWN STANDBY CURRENT: All banks idle; Power-down mode; t
IDLE STANDBY CURRENT: CS# = HIGH; All banks idle; t
once per clock cycle. V
ACTIVE POWER-DOWN STANDBY CURRENT: One bank active; Power-down mode; t
ACTIVE STANDBY CURRENT: CS# = HIGH; CKE = HIGH; One bank; Active-Precharge; t
DM, and DQS inputs changing twice per clock cycle; Address and other control inputs changing once per clock cycle (22)
OPERATING CURRENT: Burst = 2; Reads; Continuous burst; One bank active; Address and control inputs changing once per
clock cycle; t
OPERATING CURRENT: Burst = 2; Writes; Continuous burst; One bank active; Address and control inputs changing once per
clock cycle; t
AUTO REFRESH CURRENT
SELF REFRESH CURRENT: CKE ≤ 0.2V
OPERATING CURRENT: Four bank interleaving READs (BL=4) with auto precharge, t
control inputs change only during Active READ or WRITE commands. (22, 49)
CK
CK
= t
= t
OUT
OUT
OUT
OUT
CK
CK
(MIN); I
(MIN); DQ, DM, and DQS inputs changing twice per clock cycle (22)
= 0.373V, maximum V
= 0.763V, maximum V
= V
= V
IN
= V
White Electronic Designs
CCQ
CCQ
DC Electrical Characteristics And Operating Conditions (Notes 1, 6)
OUT
REF
- 0.373V, minimum V
- 0.763V, minimum V
I
for DQ, DQS, and DM (51)
= 0mA (22, 48)
CC
SPECIFICATIONS AND CONDITIONS (NOTES 1-5, 10, 12, 14)
AC Input Operating Conditions (Notes 14, 28, 40)
IN
REF
REF
≤ V
, maximum V
, maximum V
CC
REF
REF
RC
(All other pins not under test = 0V)
CK
OUT
, minimum V
, minimum V
= t
= t
RC
V
V
V
≤ V
CK
CC
CC
CC
(MIN); t
TT
TT
(MIN); CKE = HIGH; Address and other control inputs changing
, V
, V
, V
CC
)
)
CCQ
CCQ
CCQ
CK
TT
TT
RC
= +2.5V ± 0.2V; -55°C ≤ T
= +2.5V ± 0.2V; -55°C ≤ T
= +2.5V ± 0.2V; -55°C ≤ T
= t
)
)
= t
CK
RC
(MIN); DQ, DM, and DQS inputs changing once
(MIN); t
RC
CK
CK
=t
11
RC
CK
= t
RC
= t
CK
= t
= t
CK
(MIN); t
CK
(MIN); CKE = LOW (23, 32, 50)
RAS
(MIN); I
t
t
Standard (11)
REF
REF
(MIN); CKE = LOW; (23, 32, 50)
(MAX); t
CK
= t
= 7.8125µs (27, 50)
OUT
= t
RC
A
A
A
CK
≤ +125°C
≤ +125°C
≤ +125°C
White Electronic Designs Corporation • [phone] • www.wedc.com
(MIN) (27, 50)
CK
= 0mA; Address and
(MIN); Address and
= t
V
Symbol
Symbol
V
CK
IH
V
IL
V
I
V
I
V
I
OHR
I
I
OLR
CCQ
OH
OZ
OL
REF
I
I
(AC)
(MIN); DQ,
CC
(AC)
TT
I
I
V
0.49 x V
V
REF
REF
Min
Min
2.3
2.3
-10
-12
Symbol
12
-5
-9
W3E16M72S-XBX
+ 0.310
-2
9
–
- 0.04
I
I
I
I
I
I
I
CC4W
I
I
CC2P
CC2F
CC3P
CC3N
CC4R
I
CC5A
I
I
CC0
CC1
CC5
CC6
CC7
CCQ
250Mbps
266Mbps 200Mbps
V
0.51 x V
V
1225
2000
REF
625
850
225
150
250
925
800
REF
20
30
20
Max
Max
2.7
2.7
10
- 0.310
2
–
–
–
–
–
+ 0.04
5
CCQ
Max
1225
2000
600
775
225
150
250
925
800
20
30
20
Units
Units
µA
µA
µA
mA
mA
mA
mA
V
V
V
V
V
V
Units
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA