The WEDC 68 lead G2U CQFP fills the same fit and function as the
JEDEC 68 lead CQFJ or 68 PLCC. But the G2U has the TCE and lead
inspection advantage of the CQFP form.
0.940"
White Electronic Designs Corporation Phoenix AZ (602) 437-
2
White Electronic Designs
ABSOLUTE MAXIMUM RATINGS
Parameter
Voltage on Any Pin Relative to V
SS
Power Dissipation
Storage Temperature
Short Circuit Output Current
Endurance - Write/Erase Cycles
(Extended Temp)
Data Retention (Extended Temp)
Symbol
V
T
P
T
T
stg
I
OS
Ratings
-2.0 to +7.0
8
-65 to +125
100
100,000 min
20
Unit
V
W
°C
mA
cycles
years
Parameter
OE capacitance
WE1-4 capacitance
HIP (PGA)
HIP (Alternate pinout)
CQFP G4T
CQFP G2U
G2U (Alternate pinout)
CS1-4 capacitance
Data I/O capacitance
Address input capacitance
CWE
CWE
CWE
CWE
CWE
CCS
CI/O
CAD
Symbol
COE
WF2M32-XXX5
CAPACITANCE
(T
A
= +25°C, F = 1.0MHz)
Max
50
20
50
50
20
50
20
20
50
Unit
pF
pF
pF
pF
pF
pF
pF
pF
pF
RECOMMENDED DC OPERATING CONDITIONS
Parameter
Supply Voltage
Ground
Input High Voltage
Input Low Voltage
Operating Temperature (Ext.)(4)
Operating Temperature (Ind.)
Symbol
V
CC
VSS
VIH
VIL
TA
TA
Min
4.5
0
2.0
-0.5
-55
-40
Typ
5.0
0
-
-
-
-
Max
5.5
0
V
CC
+ 0.5
+0.8
+100
+85
Unit
V
V
V
V
°C
°C
This parameter is guaranteed by design but not tested.
DC CHARACTERISTICS - CMOS COMPATIBLE
(V
CC
= 5.0V, V
SS
= 0V, T
A
= -55°C to +125°C) (Note 4)
Parameter
Input Leakage Current
Output Leakage Current
V
CC
Active Current for Read (1)
V
CC
Active Current for Program or Erase (2)
V
CC
Standby Current
Output Low Voltage
Output High Voltage
Low V
CC
Lock-Out Voltage
Symbol
I
LI
I
LOx32
I
CC1
I
CC2
I
CC3
V
OL
V
OH
V
LKO
Conditions
V
CC
= 5.5, V
IN
= GND to V
CC
V
CC
= 5.5, V
IN
= GND to V
CC
CS = V
IL
, OE = V
IH
, f = 5MHz
CS = V
IL
, OE = V
IH
V
CC
= 5.5, CS = V
IH
, f = 5MHz, RESET = V
CC
± 0.3V
I
OL
= 12.0 mA, V
CC
= 4.5
I
OH
= -2.5 mA, V
CC
= 4.5
0.85xV
CC
3.2
4.2
Min
Max
10
10
160
240
8.0
0.45
Unit
µA
µA
mA
mA
mA
V
V
V
NOTES:
1. The I
CC
current listed includes both the DC operating current and the frequency dependent component (@ 5MHz). The frequency component typically is less than 2mA/
MHz, with OE at V
IH
.
2. I
CC
active while Embedded Algorithm (program or erase) is in progress.
3. DC test conditions V
IL
= 0.3V, V
IH
= VCC - 0.3V
4. Extended temperature devices are fully operational from -55°C to +100°C. Operation above 100°C to 125°C is limited to read-only operation.
3
White Electronic Designs Corporation (602) 437-1520
White Electronic Designs
Parameter
Write Cycle Time
Chip Select Setup Time
Write Enable Pulse Width
Address Setup Time
Data Setup Time
Data Hold Time
Address Hold Time
Write Enable Pulse Width High
Duration of Byte Programming Operation (1)
Sector Erase (2)
Read Recovery Time before Write
VCC Setup Time
Chip Programming Time
Chip Erase Time (3)
Output Enable Hold Time (4)
RESET Pulse Width (5)
t
OEH
t
RP
10
500
t
AVAV
t
ELWL
t
WLWH
t
AVWL
t
DVWH
t
WHDX
t
WLAX
t
WHWL
t
WHWH1
t
WHWH2
t
GHWL
t
VCS
0
50
44
256
10
500
Symbol
Min
t
WC
t
CS
t
WP
t
AS
t
DS
t
DH
t
AH
t
WPH
90
0
45
0
45
0
45
20
300
15
0
50
44
256
-90
Max
Min
120
0
50
0
50
0
50
20
300
15
-120
Max
WF2M32-XXX5
AC CHARACTERISTICS WRITE/ERASE/PROGRAM OPERATIONS - WE CONTROLLED
(V
CC
= 5.0V, T
A
= -55°C to +125°C) (Note 6)
-150
Min
150
0
50
0
50
0
50
20
300
15
0
50
44
256
10
500
Max
ns
ns
ns
ns
ns
ns
ns
ns
µs
sec
µs
µs
sec
sec
ns
ns
Unit
NOTES:
1. Typical value for tWHWH1 is 7µs.
2. Typical value for tWHWH2 is 1sec.
3. Typical value for Chip Erase Time is 32sec.
4. For Toggle and Data Polling.
5. RESET internally tied to Vcc for the default pin configuration in the HIP package.
6. Extended temperature devices are fully operational from -55°C to +100°C. Operation above 100°C to 125°C is limited to read-only operation.
AC CHARACTERISTICS READ-ONLY OPERATIONS
(V
CC
= 5.0V, T
A
= -55°C to +125°C) (Note 3)
Parameter
Read Cycle Time
Address Access Time
Chip Select Access Time
Output Enable to Output Valid
Chip Select High to Output High Z (1)
Output Enable High to Output High Z (1)
Output Hold from Addresses, CS or OE Change,
whichever is First
RST Low to Read Mode (1,2)
1.
2.
3.
Symbol
Min
t
AVAV
t
AVQV
t
ELQV
t
GLQV
t
EHQZ
t
GHQZ
t
AXQX
t
RC
t
ACC
t
CE
t
OE
t
DF
t
DF
t
OH
t
Ready
0
20
90
90
90
40
20
20
0
20
-90
Max
Min
120
120
120
50
30
30
0
20
-120
Max
Min
150
150
150
55
35
35
-150
Max
ns
ns
ns
ns
ns
ns
ns
µs
Unit
Guaranteed by design, not tested.
RESET internally tied to Vcc for the default pin configuration in the HIP package.
Extended temperature devices are fully operational from -55°C to +100°C. Operation above 100°C to 125°C is limited to read-only operation.
White Electronic Designs Corporation Phoenix AZ (602) 437-
4
White Electronic Designs
WF2M32-XXX5
AC CHARACTERISTICS WRITE/ERASE/PROGRAM OPERATIONS,CS CONTROLLED
(V
CC
= 5.0V, V
SS
= 0V, T
A
= -55°C to +125°C) (Note 5)
Parameter
Write Cycle Time
Write Enable Setup Time
Chip Select Pulse Width
Address Setup Time
Data Setup Time
Data Hold Time
Address Hold Time
Chip Select Pulse Width High
Duration of Byte Programming Operation (1)
Sector Erase Time (2)
Read Recovery Time
Chip Programming Time
Chip Erase Time (3)
Output Enable Hold Time (4)
t
OEH
10
Symbol
Min
t
AVAV
t
WLEL
t
ELEH
t
AVEL
t
DVEH
t
EHDX
t
ELAX
t
EHEL
t
WHWH1
t
WHWH2
t
GHEL
0
44
256
10
t
WC
t
WS
t
CP
t
AS
t
DS
t
DH
t
AH
t
CPH
90
0
45
0
45
0
45
20
300
15
0
44
256
10
-90
Max
Min
120
0
50
0
50
0
50
20
300
15
0
44
256
-120
Max
Min
150
0
50
0
50
0
50
20
300
15
-150
Max
ns
ns
ns
ns
ns
ns
ns
ns
µs
sec
µs
sec
sec
ns
Unit
NOTES:
1. Typical value for tWHWH1 is 7µs.
2. Typical value for tWHWH2 is 1sec.
3. Typical value for Chip Erase Time is 32sec.
4. For Toggle and Data Polling.
5. Extended temperature devices are fully operational from -55°C to +100°C. Operation above 100°C to 125°C is limited to read-only operation.
FIG. 3
AC TEST CIRCUIT
I
OL
Current Source
AC TEST CONDITIONS
Parameter
Input Pulse Levels
Input Rise and Fall
Input and Output Reference Level
Output Timing Reference Level
Typ
V
IL
= 0, V
IH
= 3.0
5
1.5
1.5
Unit
V
ns
V
V
D.U.T.
C
eff
= 50 pf
V
Z
≈
1.5V
(Bipolar Supply)
Notes:
V
Z
is programmable from -2V to +7V.
I
OL
& I
OH
programmable from 0 to 16mA.
Tester Impedance Z0 = 75 ½.
VZ is typically the midpoint of V
OH
and V
OL
.
I
OL
& I
OH
are adjusted to simulate a typical resistive load circuit.
ATE tester includes jig capacitance.
I
OH
Current Source
FIG. 4
RESET TIMING DIAGRAM
RESET
t
RP
t
Ready
5
White Electronic Designs Corporation (602) 437-1520
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