
TMS28F002Axy, TMS28F200Axy
262144 BY 8-BIT/131072 BY 16-BIT
AUTO-SELECT BOOT-BLOCK FLASH MEMORIES
SMJS826D – JANUARY 1996 – REVISED SEPTEMBER 1997
20
POST OFFICE BOX 1443 
 HOUSTON, TEXAS 77251–1443
common electrical parameter
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, V
CC
 (see Note 4) 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
Supply voltage range, V
PP
 (see Note 4) 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
Input voltage range: All inputs except A9, RP 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
RP, A9 (see Note 5) 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
Output voltage range (see Note 6) 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
Operating free-air temperature range, T
A
, during read/erase/program: L suffix 
– 0.6 V to 7 V
– 0.6 V to 14 V
– 0.6 V to V
CC
 + 1 V
– 0.6 V to 13.5 V
– 0.6 V to V
CC
 + 1 V
0
°
C to 70
°
C
. . . . . . . . . . . . . . 
– 40
°
C to 85
°
C
. . . . . . . . . . . . 
– 40
°
C to 125
°
C
. . . . . . . . . . 
– 65
°
C to 150
°
C
E suffix 
Q suffix 
Storage temperature range, T
stg
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES:
4. All voltage values are with respect to VSS.
5. The voltage on any input or output can undershoot to – 2 V for periods less than 20 ns. See Figure 8.
6. The voltage on any input or output can overshoot to 7 V for periods less than 20 ns. See Figure 9.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
NOTES: A. CL includes probes and fixture capacitance
B. AC test conditions are driven at VIH and VIL. Timing measurements are made at VOH and VOL levels on both inputs and
outputs. See Table 9 for values based on VCC operating range.
C. Each device should have a 0.1-
μ
F ceramic capacitor connected to VCC and VSS as closely as possible to the device pins.
IOL
IOH
Output
Under
Test
CL
(see Note A)
VZ
VIH
VIL
VOLTAGE WAVEFORMS
VOH
VOL
Figure 7. Load Circuit and Voltage Waveforms
–2.0 V
–0.6 V
+0.8 V
20 ns
20 ns
20 ns
Figure 8. Maximum Negative Overshoot Waveform