P R E L I M I N A R Y
FLASH ERASE AND PROGRAMMING PERFORMANCE
Parameter
Typ (Note 1) Max (Note 2)
Unit
sec
sec
µs
Comments
Sector Erase Time
0.4
28
5
5
Excludes 00h programming
prior to erasure (Note 4)
Chip Erase Time
Byte Program Time
Accelerated Byte/Word Program Time
Word Program Time
150
120
210
63
4
µs
Excludes system level
overhead (Note 5)
7
µs
Byte Mode
Word Mode
21
14
Chip Program Time
(Note 3)
sec
42
Notes:
1. Typical program and erase times assume the following conditions: 25°C, 3.0 V VCC, 1,000,000 cycles. Additionally,
programming typicals assume checkerboard pattern.
2. Under worst case conditions of 90°C, VCC = 2.7 V, 1,000,000 cycles.
3. The typical chip programming time is considerably less than the maximum chip programming time listed, since most bytes
program faster than the maximum program times listed.
4. In the pre-programming step of the Embedded Erase algorithm, all bytes are programmed to 00h before erasure.
5. System-level overhead is the time required to execute the two- or four-bus-cycle sequence for the program command. See Table
12 for further information on command definitions.
6. The device has a minimum erase and program cycle endurance of 1,000,000 cycles.
LATCHUP CHARACTERISTICS
Description
Min
Max
Input voltage with respect to VSS on all pins except I/O pins
(including A9, OE#, and RESET#)
–1.0 V
12.5 V
Input voltage with respect to VSS on all I/O pins
–1.0 V
VCC + 1.0 V
+100 mA
V
CC Current
–100 mA
Note: Includes all pins except VCC. Test conditions: VCC = 3.0 V, one pin at a time.
PACKAGE PIN CAPACITANCE
Parameter
Symbol
Parameter Description
Input Capacitance
Test Setup
VIN = 0
Typ
11
Max
14
Unit
pF
CIN
COUT
CIN2
Output Capacitance
VOUT = 0
VIN = 0
12
14
17
16
pF
Control Pin Capacitance
WP#/ACC Pin Capacitance
16
pF
CIN3
VIN = 0
20
pF
Notes:
1. Sampled, not 100% tested.
2. Test conditions TA = 25°C, f = 1.0 MHz.
FLASH DATA RETENTION
Parameter Description
Test Conditions
150°C
Min
10
Unit
Years
Years
Minimum Pattern Data Retention Time
125°C
20
July 19, 2002
Am49DL32xBG
59
CYPRESS [ CYPRESS ]
